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<div class="chapter">
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<div class="titlepage"><div><div><h1 class="title">
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<a name="dist.news"></a>2. NEWS</h1></div></div></div>
|
||
<div class="literallayout"><p><br>
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||
<br>
|
||
Release 3.11.0 (22 September 2015)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
<br>
|
||
3.11.0 is a feature release with many improvements and the usual<br>
|
||
collection of bug fixes.<br>
|
||
<br>
|
||
This release supports X86/Linux, AMD64/Linux, ARM32/Linux,<br>
|
||
ARM64/Linux, PPC32/Linux, PPC64BE/Linux, PPC64LE/Linux, S390X/Linux,<br>
|
||
MIPS32/Linux, MIPS64/Linux, ARM/Android, ARM64/Android,<br>
|
||
MIPS32/Android, X86/Android, X86/Solaris, AMD64/Solaris, X86/MacOSX<br>
|
||
10.10 and AMD64/MacOSX 10.10. There is also preliminary support for<br>
|
||
X86/MacOSX 10.11, AMD64/MacOSX 10.11 and TILEGX/Linux.<br>
|
||
<br>
|
||
* ================== PLATFORM CHANGES =================<br>
|
||
<br>
|
||
* Support for Solaris/x86 and Solaris/amd64 has been added.<br>
|
||
<br>
|
||
* Preliminary support for Mac OS X 10.11 (El Capitan) has been added.<br>
|
||
<br>
|
||
* Preliminary support for the Tilera TileGX architecture has been added.<br>
|
||
<br>
|
||
* s390x: It is now required for the host to have the "long displacement"<br>
|
||
facility. The oldest supported machine model is z990.<br>
|
||
<br>
|
||
* x86: on an SSE2 only host, Valgrind in 32 bit mode now claims to be a<br>
|
||
Pentium 4. 3.10.1 wrongly claimed to be a Core 2, which is SSSE3.<br>
|
||
<br>
|
||
* The JIT's register allocator is significantly faster, making the JIT<br>
|
||
as a whole somewhat faster, so JIT-intensive activities, for example<br>
|
||
program startup, are modestly faster, around 5%.<br>
|
||
<br>
|
||
* There have been changes to the default settings of several command<br>
|
||
line flags, as detailed below.<br>
|
||
<br>
|
||
* Intel AVX2 support is more complete (64 bit targets only). On AVX2<br>
|
||
capable hosts, the simulated CPUID will now indicate AVX2 support.<br>
|
||
<br>
|
||
* ==================== TOOL CHANGES ====================<br>
|
||
<br>
|
||
* Memcheck:<br>
|
||
<br>
|
||
- The default value for --leak-check-heuristics has been changed from<br>
|
||
"none" to "all". This helps to reduce the number of possibly<br>
|
||
lost blocks, in particular for C++ applications.<br>
|
||
<br>
|
||
- The default value for --keep-stacktraces has been changed from<br>
|
||
"malloc-then-free" to "malloc-and-free". This has a small cost in<br>
|
||
memory (one word per malloc-ed block) but allows Memcheck to show the<br>
|
||
3 stacktraces of a dangling reference: where the block was allocated,<br>
|
||
where it was freed, and where it is acccessed after being freed.<br>
|
||
<br>
|
||
- The default value for --partial-loads-ok has been changed from "no" to <br>
|
||
"yes", so as to avoid false positive errors resulting from some kinds<br>
|
||
of vectorised loops.<br>
|
||
<br>
|
||
- A new monitor command 'xb <addr> <len>' shows the validity bits of<br>
|
||
<len> bytes at <addr>. The monitor command 'xb' is easier to use<br>
|
||
than get_vbits when you need to associate byte data value with<br>
|
||
their corresponding validity bits.<br>
|
||
<br>
|
||
- The 'block_list' monitor command has been enhanced:<br>
|
||
o it can print a range of loss records<br>
|
||
o it now accepts an optional argument 'limited <max_blocks>'<br>
|
||
to control the number of blocks printed.<br>
|
||
o if a block has been found using a heuristic, then<br>
|
||
'block_list' now shows the heuristic after the block size.<br>
|
||
o the loss records/blocks to print can be limited to the blocks<br>
|
||
found via specified heuristics.<br>
|
||
<br>
|
||
- The C helper functions used to instrument loads on<br>
|
||
x86-{linux,solaris} and arm-linux (both 32-bit only) have been<br>
|
||
replaced by handwritten assembly sequences. This gives speedups<br>
|
||
in the region of 0% to 7% for those targets only.<br>
|
||
<br>
|
||
- A new command line option, --expensive-definedness-checks=yes|no,<br>
|
||
has been added. This is useful for avoiding occasional invalid<br>
|
||
uninitialised-value errors in optimised code. Watch out for<br>
|
||
runtime degradation, as this can be up to 25%. As always, though,<br>
|
||
the slowdown is highly application specific. The default setting<br>
|
||
is "no".<br>
|
||
<br>
|
||
* Massif:<br>
|
||
<br>
|
||
- A new monitor command 'all_snapshots <filename>' dumps all<br>
|
||
snapshots taken so far.<br>
|
||
<br>
|
||
* Helgrind:<br>
|
||
<br>
|
||
- Significant memory reduction and moderate speedups for<br>
|
||
--history-level=full for applications accessing a lot of memory<br>
|
||
with many different stacktraces.<br>
|
||
<br>
|
||
- The default value for --conflict-cache-size=N has been doubled to<br>
|
||
2000000. Users that were not using the default value should<br>
|
||
preferably also double the value they give.<br>
|
||
<br>
|
||
The default was changed due to the changes in the "full history"<br>
|
||
implementation. Doubling the value gives on average a slightly more<br>
|
||
complete history and uses similar memory (or significantly less memory<br>
|
||
in the worst case) than the previous implementation.<br>
|
||
<br>
|
||
- The Helgrind monitor command 'info locks' now accepts an optional<br>
|
||
argument 'lock_addr', which shows information about the lock at the<br>
|
||
given address only.<br>
|
||
<br>
|
||
- When using --history-level=full, the new Helgrind monitor command<br>
|
||
'accesshistory <addr> [<len>]' will show the recorded accesses for<br>
|
||
<len> (or 1) bytes at <addr>.<br>
|
||
<br>
|
||
* ==================== OTHER CHANGES ====================<br>
|
||
<br>
|
||
* The default value for the --smc-check option has been changed from<br>
|
||
"stack" to "all-non-file" on targets that provide automatic D-I<br>
|
||
cache coherence (x86, amd64 and s390x). The result is to provide,<br>
|
||
by default, transparent support for JIT generated and self-modifying<br>
|
||
code on all targets.<br>
|
||
<br>
|
||
* Mac OS X only: the default value for the --dsymutil option has been<br>
|
||
changed from "no" to "yes", since any serious usage on Mac OS X<br>
|
||
always required it to be "yes".<br>
|
||
<br>
|
||
* The command line options --db-attach and --db-command have been removed.<br>
|
||
They were deprecated in 3.10.0.<br>
|
||
<br>
|
||
* When a process dies due to a signal, Valgrind now shows the signal<br>
|
||
and the stacktrace at default verbosity (i.e. verbosity 1).<br>
|
||
<br>
|
||
* The address description logic used by Memcheck and Helgrind now<br>
|
||
describes addresses in anonymous segments, file mmap-ed segments,<br>
|
||
shared memory segments and the brk data segment.<br>
|
||
<br>
|
||
* The new option --error-markers=<begin>,<end> can be used to mark the<br>
|
||
begin/end of errors in textual output mode, to facilitate<br>
|
||
searching/extracting errors in output files that mix valgrind errors<br>
|
||
with program output.<br>
|
||
<br>
|
||
* The new option --max-threads=<number> can be used to change the number<br>
|
||
of threads valgrind can handle. The default is 500 threads which<br>
|
||
should be more than enough for most applications.<br>
|
||
<br>
|
||
* The new option --valgrind-stacksize=<number> can be used to change the<br>
|
||
size of the private thread stacks used by Valgrind. This is useful<br>
|
||
for reducing memory use or increasing the stack size if Valgrind<br>
|
||
segfaults due to stack overflow.<br>
|
||
<br>
|
||
* The new option --avg-transtab-entry-size=<number> can be used to specify<br>
|
||
the expected instrumented block size, either to reduce memory use or<br>
|
||
to avoid excessive retranslation.<br>
|
||
<br>
|
||
* Valgrind can be built with Intel's ICC compiler, version 14.0 or later.<br>
|
||
<br>
|
||
* New and modified GDB server monitor features:<br>
|
||
<br>
|
||
- When a signal is reported in GDB, you can now use the GDB convenience<br>
|
||
variable $_siginfo to examine detailed signal information.<br>
|
||
<br>
|
||
- Valgrind's gdbserver now allows the user to change the signal<br>
|
||
to deliver to the process. So, use 'signal SIGNAL' to continue execution<br>
|
||
with SIGNAL instead of the signal reported to GDB. Use 'signal 0' to<br>
|
||
continue without passing the signal to the process.<br>
|
||
<br>
|
||
- With GDB >= 7.10, the command 'target remote'<br>
|
||
will automatically load the executable file of the process running<br>
|
||
under Valgrind. This means you do not need to specify the executable<br>
|
||
file yourself, GDB will discover it itself. See GDB documentation about<br>
|
||
'qXfer:exec-file:read' packet for more info.<br>
|
||
<br>
|
||
* ==================== FIXED BUGS ====================<br>
|
||
<br>
|
||
The following bugs have been fixed or resolved. Note that "n-i-bz"<br>
|
||
stands for "not in bugzilla" -- that is, a bug that was reported to us<br>
|
||
but never got a bugzilla entry. We encourage you to file bugs in<br>
|
||
bugzilla (https://bugs.kde.org/enter_bug.cgi?product=valgrind) rather<br>
|
||
than mailing the developers (or mailing lists) directly -- bugs that<br>
|
||
are not entered into bugzilla tend to get forgotten about or ignored.<br>
|
||
<br>
|
||
To see details of a given bug, visit<br>
|
||
https://bugs.kde.org/show_bug.cgi?id=XXXXXX<br>
|
||
where XXXXXX is the bug number as listed below.<br>
|
||
<br>
|
||
116002 VG_(printf): Problems with justification of strings and integers<br>
|
||
155125 avoid cutting away file:lineno after long function name<br>
|
||
197259 Unsupported arch_prtctl PR_SET_GS option<br>
|
||
201152 ppc64: Assertion in ppc32g_dirtyhelper_MFSPR_268_269<br>
|
||
201216 Fix Valgrind does not support pthread_sigmask() on OS X<br>
|
||
201435 Fix Darwin: -v does not show kernel version<br>
|
||
208217 "Warning: noted but unhandled ioctl 0x2000747b" on Mac OS X<br>
|
||
211256 Fixed an outdated comment regarding the default platform.<br>
|
||
211529 Incomplete call stacks for code compiled by newer versions of MSVC<br>
|
||
211926 Avoid compilation warnings in valgrind.h with -pedantic<br>
|
||
212291 Fix unhandled syscall: unix:132 (mkfifo) on OS X<br>
|
||
== 263119<br>
|
||
226609 Crediting upstream authors in man page<br>
|
||
231257 Valgrind omits path when executing script from shebang line<br>
|
||
254164 OS X task_info: UNKNOWN task message [id 3405, to mach_task_self() [..]<br>
|
||
269360 s390x: Fix addressing mode selection for compare-and-swap<br>
|
||
302630 Memcheck: Assertion failed: 'sizeof(UWord) == sizeof(UInt)'<br>
|
||
== 326797<br>
|
||
312989 ioctl handling needs to do POST handling on generic ioctls and [..]<br>
|
||
319274 Fix unhandled syscall: unix:410 (sigsuspend_nocancel) on OS X<br>
|
||
324181 mmap does not handle MAP_32BIT (handle it now, rather than fail it)<br>
|
||
327745 Fix valgrind 3.9.0 build fails on Mac OS X 10.6.8<br>
|
||
330147 libmpiwrap PMPI_Get_count returns undefined value<br>
|
||
333051 mmap of huge pages fails due to incorrect alignment<br>
|
||
== 339163<br>
|
||
334802 valgrind does not always explain why a given option is bad<br>
|
||
335618 mov.w rN, pc/sp (ARM32)<br>
|
||
335785 amd64->IR 0xC4 0xE2 0x75 0x2F (vmaskmovpd)<br>
|
||
== 307399<br>
|
||
== 343175<br>
|
||
== 342740<br>
|
||
== 346912<br>
|
||
335907 segfault when running wine's ddrawex/tests/surface.c under valgrind<br>
|
||
338602 AVX2 bit in CPUID missing<br>
|
||
338606 Strange message for scripts with invalid interpreter<br>
|
||
338731 ppc: Fix testuite build for toolchains not supporting -maltivec<br>
|
||
338995 shmat with hugepages (SHM_HUGETLB) fails with EINVAL<br>
|
||
339045 Getting valgrind to compile and run on OS X Yosemite (10.10)<br>
|
||
== 340252<br>
|
||
339156 gdbsrv not called for fatal signal<br>
|
||
339215 Valgrind 3.10.0 contain 2013 in copyrights notice<br>
|
||
339288 support Cavium Octeon MIPS specific BBIT*32 instructions<br>
|
||
339636 Use fxsave64 and fxrstor64 mnemonics instead of old-school rex64 prefix<br>
|
||
339442 Fix testsuite build failure on OS X 10.9<br>
|
||
339542 Enable compilation with Intel's ICC compiler<br>
|
||
339563 The DVB demux DMX_STOP ioctl doesn't have a wrapper<br>
|
||
339688 Mac-specific ASM does not support .version directive (cpuid,<br>
|
||
tronical and pushfpopf tests)<br>
|
||
339745 Valgrind crash when check Marmalade app (partial fix)<br>
|
||
339755 Fix known deliberate memory leak in setenv() on Mac OS X 10.9<br>
|
||
339778 Linux/TileGx platform support for Valgrind<br>
|
||
339780 Fix known uninitialised read in pthread_rwlock_init() on Mac OS X 10.9 <br>
|
||
339789 Fix none/tests/execve test on Mac OS X 10.9<br>
|
||
339808 Fix none/tests/rlimit64_nofile test on Mac OS X 10.9<br>
|
||
339820 vex amd64->IR: 0x66 0xF 0x3A 0x63 0xA 0x42 0x74 0x9 (pcmpistri $0x42)<br>
|
||
340115 Fix none/tests/cmdline[1|2] tests on systems which define TMPDIR<br>
|
||
340392 Allow user to select more accurate definedness checking in memcheck<br>
|
||
to avoid invalid complaints on optimised code<br>
|
||
340430 Fix some grammatical weirdness in the manual.<br>
|
||
341238 Recognize GCC5/DWARFv5 DW_LANG constants (Go, C11, C++11, C++14)<br>
|
||
341419 Signal handler ucontext_t not filled out correctly on OS X<br>
|
||
341539 VG_(describe_addr) should not describe address as belonging to client<br>
|
||
segment if it is past the heap end<br>
|
||
341613 Enable building of manythreads and thread-exits tests on Mac OS X<br>
|
||
341615 Fix none/tests/darwin/access_extended test on Mac OS X<br>
|
||
341698 Valgrind's AESKEYGENASSIST gives wrong result in words 0 and 2 [..]<br>
|
||
341789 aarch64: shmat fails with valgrind on ARMv8<br>
|
||
341997 MIPS64: Cavium OCTEON insns - immediate operand handled incorrectly<br>
|
||
342008 valgrind.h needs type cast [..] for clang/llvm in 64-bit mode<br>
|
||
342038 Unhandled syscalls on aarch64 (mbind/get/set_mempolicy)<br>
|
||
342063 wrong format specifier for test mcblocklistsearch in gdbserver_tests<br>
|
||
342117 Hang when loading PDB file for MSVC compiled Firefox under Wine<br>
|
||
342221 socket connect false positive uninit memory for unknown af family<br>
|
||
342353 Allow dumping full massif output while valgrind is still running<br>
|
||
342571 Valgrind chokes on AVX compare intrinsic with _CMP_GE_QS<br>
|
||
== 346476<br>
|
||
== 348387<br>
|
||
== 350593<br>
|
||
342603 Add I2C_SMBUS ioctl support<br>
|
||
342635 OS X 10.10 (Yosemite) - missing system calls and fcntl code<br>
|
||
342683 Mark memory past the initial brk limit as unaddressable<br>
|
||
342783 arm: unhandled instruction 0xEEFE1ACA = "vcvt.s32.f32 s3, s3, #12"<br>
|
||
342795 Internal glibc __GI_mempcpy call should be intercepted<br>
|
||
342841 s390x: Support instructions fiebr(a) and fidbr(a)<br>
|
||
343012 Unhandled syscall 319 (memfd_create)<br>
|
||
343069 Patch updating v4l2 API support<br>
|
||
343173 helgrind crash during stack unwind<br>
|
||
343219 fix GET_STARTREGS for arm<br>
|
||
343303 Fix known deliberate memory leak in setenv() on Mac OS X 10.10<br>
|
||
343306 OS X 10.10: UNKNOWN mach_msg unhandled MACH_SEND_TRAILER option<br>
|
||
343332 Unhandled instruction 0x9E310021 (fcvtmu) on aarch64<br>
|
||
343335 unhandled instruction 0x1E638400 (fccmp) aarch64<br>
|
||
343523 OS X mach_ports_register: UNKNOWN task message [id 3403, to [..]<br>
|
||
343525 OS X host_get_special_port: UNKNOWN host message [id 412, to [..]<br>
|
||
343597 ppc64le: incorrect use of offseof macro<br>
|
||
343649 OS X host_create_mach_voucher: UNKNOWN host message [id 222, to [..]<br>
|
||
343663 OS X 10.10 Memchecj always reports a leak regardless of [..]<br>
|
||
343732 Unhandled syscall 144 (setgid) on aarch64<br>
|
||
343733 Unhandled syscall 187 (msgctl and related) on aarch64<br>
|
||
343802 s390x: False positive "conditional jump or move depends on [..]<br>
|
||
343902 --vgdb=yes doesn't break when --xml=yes is used<br>
|
||
343967 Don't warn about setuid/setgid/setcap executable for directories<br>
|
||
343978 Recognize DWARF5/GCC5 DW_LANG_Fortran 2003 and 2008 constants<br>
|
||
344007 accept4 syscall unhandled on arm64 (242) and ppc64 (344)<br>
|
||
344033 Helgrind on ARM32 loses track of mutex state in pthread_cond_wait<br>
|
||
344054 www - update info for Solaris/illumos<br>
|
||
344416 'make regtest' does not work cleanly on OS X<br>
|
||
344235 Remove duplicate include of pub_core_aspacemgr.h<br>
|
||
344279 syscall sendmmsg on arm64 (269) and ppc32/64 (349) unhandled<br>
|
||
344295 syscall recvmmsg on arm64 (243) and ppc32/64 (343) unhandled<br>
|
||
344307 2 unhandled syscalls on aarch64/arm64: umount2(39), mount (40)<br>
|
||
344314 callgrind_annotate ... warnings about commands containing newlines<br>
|
||
344318 socketcall should wrap recvmmsg and sendmmsg<br>
|
||
344337 Fix unhandled syscall: mach:41 (_kernelrpc_mach_port_guard_trap)<br>
|
||
344416 Fix 'make regtest' does not work cleanly on OS X<br>
|
||
344499 Fix compilation for Linux kernel >= 4.0.0<br>
|
||
344512 OS X: unhandled syscall: unix:348 (__pthread_chdir), <br>
|
||
unix:349 (__pthread_fchdir)<br>
|
||
344559 Garbage collection of unused segment names in address space manager<br>
|
||
344560 Fix stack traces missing penultimate frame on OS X<br>
|
||
344621 Fix memcheck/tests/err_disable4 test on OS X<br>
|
||
344686 Fix suppression for pthread_rwlock_init on OS X 10.10<br>
|
||
344702 Fix missing libobjc suppressions on OS X 10.10<br>
|
||
== 344543<br>
|
||
344936 Fix unhandled syscall: unix:473 (readlinkat) on OS X 10.10<br>
|
||
344939 Fix memcheck/tests/xml1 on OS X 10.10<br>
|
||
345016 helgrind/tests/locked_vs_unlocked2 is failing sometimes<br>
|
||
345079 Fix build problems in VEX/useful/test_main.c<br>
|
||
345126 Incorrect handling of VIDIOC_G_AUDIO and G_AUDOUT<br>
|
||
345177 arm64: prfm (reg) not implemented<br>
|
||
345215 Performance improvements for the register allocator<br>
|
||
345248 add support for Solaris OS in valgrind<br>
|
||
345338 TIOCGSERIAL and TIOCSSERIAL ioctl support on Linux<br>
|
||
345394 Fix memcheck/tests/strchr on OS X<br>
|
||
345637 Fix memcheck/tests/sendmsg on OS X<br>
|
||
345695 Add POWERPC support for AT_DCACHESIZE and HWCAP2<br>
|
||
345824 Fix aspacem segment mismatch: seen with none/tests/bigcode<br>
|
||
345887 Fix an assertion in the address space manager<br>
|
||
345928 amd64: callstack only contains current function for small stacks<br>
|
||
345984 disInstr(arm): unhandled instruction: 0xEE193F1E<br>
|
||
345987 MIPS64: Implement cavium LHX instruction<br>
|
||
346031 MIPS: Implement support for the CvmCount register (rhwr %0, 31)<br>
|
||
346185 Fix typo saving altivec register v24<br>
|
||
346267 Compiler warnings for PPC64 code on call to LibVEX_GuestPPC64_get_XER()<br>
|
||
and LibVEX_GuestPPC64_get_CR()<br>
|
||
346270 Regression tests none/tests/jm_vec/isa_2_07 and<br>
|
||
none/tests/test_isa_2_07_part2 have failures on PPC64 little endian<br>
|
||
346307 fuse filesystem syscall deadlocks<br>
|
||
346324 PPC64 missing support for lbarx, lharx, stbcx and sthcx instructions<br>
|
||
346411 MIPS: SysRes::_valEx handling is incorrect<br>
|
||
346416 Add support for LL_IOC_PATH2FID and LL_IOC_GETPARENT Lustre ioctls<br>
|
||
346474 PPC64 Power 8, spr TEXASRU register not supported<br>
|
||
346487 Compiler generates "note" about a future ABI change for PPC64<br>
|
||
346562 MIPS64: lwl/lwr instructions are performing 64bit loads<br>
|
||
and causing spurious "invalid read of size 8" warnings<br>
|
||
346801 Fix link error on OS X: _vgModuleLocal_sf_maybe_extend_stack<br>
|
||
347151 Fix suppression for pthread_rwlock_init on OS X 10.8<br>
|
||
347233 Fix memcheck/tests/strchr on OS X 10.10 (Haswell) <br>
|
||
347322 Power PC regression test cleanup<br>
|
||
347379 valgrind --leak-check=full leak errors from system libs on OS X 10.8<br>
|
||
== 217236<br>
|
||
347389 unhandled syscall: 373 (Linux ARM syncfs)<br>
|
||
347686 Patch set to cleanup PPC64 regtests<br>
|
||
347978 Remove bash dependencies where not needed<br>
|
||
347982 OS X: undefined symbols for architecture x86_64: "_global" [..]<br>
|
||
347988 Memcheck: the 'impossible' happened: unexpected size for Addr (OSX/wine)<br>
|
||
== 345929<br>
|
||
348102 Patch updating v4l2 API support<br>
|
||
348247 amd64 front end: jno jumps wrongly when overflow is not set<br>
|
||
348269 Improve mmap MAP_HUGETLB support.<br>
|
||
348334 (ppc) valgrind does not simulate dcbfl - then my program terminates<br>
|
||
348345 Assertion fails for negative lineno<br>
|
||
348377 Unsupported ARM instruction: yield<br>
|
||
348565 Fix detection of command line option availability for clang<br>
|
||
348574 vex amd64->IR pcmpistri SSE4.2 unsupported (pcmpistri $0x18)<br>
|
||
348728 Fix broken check for VIDIOC_G_ENC_INDEX<br>
|
||
348748 Fix redundant condition<br>
|
||
348890 Fix clang warning about unsupported --param inline-unit-growth=900<br>
|
||
348949 Bogus "ERROR: --ignore-ranges: suspiciously large range"<br>
|
||
349034 Add Lustre ioctls LL_IOC_GROUP_LOCK and LL_IOC_GROUP_UNLOCK<br>
|
||
349086 Fix UNKNOWN task message [id 3406, to mach_task_self(), [..]<br>
|
||
349087 Fix UNKNOWN task message [id 3410, to mach_task_self(), [..]<br>
|
||
349626 Implemented additional Xen hypercalls<br>
|
||
349769 Clang/osx: ld: warning: -read_only_relocs cannot be used with x86_64<br>
|
||
349790 Clean up of the hardware capability checking utilities.<br>
|
||
349828 memcpy intercepts memmove causing src/dst overlap error (ppc64 ld.so)<br>
|
||
349874 Fix typos in source code<br>
|
||
349879 memcheck: add handwritten assembly for helperc_LOADV*<br>
|
||
349941 di_notify_mmap might create wrong start/size DebugInfoMapping<br>
|
||
350062 vex x86->IR: 0x66 0xF 0x3A 0xB (ROUNDSD) on OS X<br>
|
||
350202 Add limited param to 'monitor block_list'<br>
|
||
350290 s390x: Support instructions fixbr(a)<br>
|
||
350359 memcheck/tests/x86/fxsave hangs indefinetely on OS X<br>
|
||
350809 Fix none/tests/async-sigs for Solaris<br>
|
||
350811 Remove reference to --db-attach which has been removed.<br>
|
||
350813 Memcheck/x86: enable handwritten assembly helpers for x86/Solaris too<br>
|
||
350854 hard-to-understand code in VG_(load_ELF)()<br>
|
||
351140 arm64 syscalls setuid (146) and setresgid (149) not implemented<br>
|
||
351386 Solaris: Cannot run ld.so.1 under Valgrind<br>
|
||
351474 Fix VG_(iseqsigset) as obvious<br>
|
||
351534 Fix incorrect header guard<br>
|
||
351632 Fix UNKNOWN fcntl 97 on OS X 10.11<br>
|
||
351756 Intercept platform_memchr$VARIANT$Haswell on OS X<br>
|
||
351858 ldsoexec support on Solaris<br>
|
||
351873 Newer gcc doesn't allow __builtin_tabortdc[i] in ppc32 mode<br>
|
||
352130 helgrind reports false races for printfs using mempcpy on FILE* state<br>
|
||
352284 s390: Conditional jump depends on uninitialised value(s) in vfprintf <br>
|
||
352320 arm64 crash on none/tests/nestedfs<br>
|
||
352765 Vbit test fails on Power 6<br>
|
||
352768 The mbar instruction is missing from the Power PC support<br>
|
||
352769 Power PC program priority register (PPR) is not supported<br>
|
||
n-i-bz Provide implementations of certain compiler builtins to support<br>
|
||
compilers that may not provide those<br>
|
||
n-i-bz Old STABS code is still being compiled, but never used. Remove it.<br>
|
||
n-i-bz Fix compilation on distros with glibc < 2.5<br>
|
||
n-i-bz (vex 3098) Avoid generation of Neon insns on non-Neon hosts<br>
|
||
n-i-bz Enable rt_sigpending syscall on ppc64 linux.<br>
|
||
n-i-bz mremap did not work properly on shared memory<br>
|
||
n-i-bz Fix incorrect sizeof expression in syswrap-xen.c reported by Coverity<br>
|
||
n-i-bz In VALGRIND_PRINTF write out thread name, if any, to xml<br>
|
||
<br>
|
||
(3.11.0.TEST1: 8 September 2015, vex r3187, valgrind r15646)<br>
|
||
(3.11.0.TEST2: 21 September 2015, vex r3193, valgrind r15667)<br>
|
||
(3.11.0: 22 September 2015, vex r3195, valgrind r15674)<br>
|
||
<br>
|
||
<br>
|
||
<br>
|
||
Release 3.10.1 (25 November 2014)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
3.10.1 is a bug fix release. It fixes various bugs reported in 3.10.0<br>
|
||
and backports fixes for all reported missing AArch64 ARMv8 instructions<br>
|
||
and syscalls from the trunk. If you package or deliver 3.10.0 for others<br>
|
||
to use, you might want to consider upgrading to 3.10.1 instead.<br>
|
||
<br>
|
||
The following bugs have been fixed or resolved. Note that "n-i-bz"<br>
|
||
stands for "not in bugzilla" -- that is, a bug that was reported to us<br>
|
||
but never got a bugzilla entry. We encourage you to file bugs in<br>
|
||
bugzilla (https://bugs.kde.org/enter_bug.cgi?product=valgrind) rather<br>
|
||
than mailing the developers (or mailing lists) directly -- bugs that<br>
|
||
are not entered into bugzilla tend to get forgotten about or ignored.<br>
|
||
<br>
|
||
To see details of a given bug, visit<br>
|
||
https://bugs.kde.org/show_bug.cgi?id=XXXXXX<br>
|
||
where XXXXXX is the bug number as listed below.<br>
|
||
<br>
|
||
335440 arm64: ld1 (single structure) is not implemented<br>
|
||
335713 arm64: unhanded instruction: prfm (immediate)<br>
|
||
339020 ppc64: memcheck/tests/ppc64/power_ISA2_05 failing in nightly build<br>
|
||
339182 ppc64: AvSplat ought to load destination vector register with [..]<br>
|
||
339336 PPC64 store quad instruction (stq) is not supposed to change [..]<br>
|
||
339433 ppc64 lxvw4x instruction uses four 32-byte loads<br>
|
||
339645 Use correct tag names in sys_getdents/64 wrappers<br>
|
||
339706 Fix false positive for ioctl(TIOCSIG) on linux<br>
|
||
339721 assertion 'check_sibling == sibling' failed in readdwarf3.c ...<br>
|
||
339853 arm64 times syscall unknown<br>
|
||
339855 arm64 unhandled getsid/setsid syscalls<br>
|
||
339858 arm64 dmb sy not implemented<br>
|
||
339926 Unhandled instruction 0x1E674001 (frintx) on aarm64<br>
|
||
339927 Unhandled instruction 0x9E7100C6 (fcvtmu) on aarch64<br>
|
||
339938 disInstr(arm64): unhandled instruction 0x4F8010A4 (fmla)<br>
|
||
== 339950<br>
|
||
339940 arm64: unhandled syscall: 83 (sys_fdatasync) + patch<br>
|
||
340033 arm64: unhandled insn dmb ishld and some other isb-dmb-dsb variants<br>
|
||
340028 unhandled syscalls for arm64 (msync, pread64, setreuid and setregid)<br>
|
||
340036 arm64: Unhandled instruction ld4 (multiple structures, no offset)<br>
|
||
340236 arm64: unhandled syscalls: mknodat, fchdir, chroot, fchownat<br>
|
||
340509 arm64: unhandled instruction fcvtas<br>
|
||
340630 arm64: fchmod (52) and fchown (55) syscalls not recognized<br>
|
||
340632 arm64: unhandled instruction fcvtas<br>
|
||
340722 Resolve "UNKNOWN attrlist flags 0:0x10000000"<br>
|
||
340725 AVX2: Incorrect decoding of vpbroadcast{b,w} reg,reg forms<br>
|
||
340788 warning: unhandled syscall: 318 (getrandom)<br>
|
||
340807 disInstr(arm): unhandled instruction: 0xEE989B20<br>
|
||
340856 disInstr(arm64): unhandled instruction 0x1E634C45 (fcsel)<br>
|
||
340922 arm64: unhandled getgroups/setgroups syscalls<br>
|
||
350251 Fix typo in VEX utility program (test_main.c).<br>
|
||
350407 arm64: unhandled instruction ucvtf (vector, integer)<br>
|
||
350809 none/tests/async-sigs breaks when run under cron on Solaris<br>
|
||
350811 update README.solaris after r15445<br>
|
||
350813 Use handwritten memcheck assembly helpers on x86/Solaris [..]<br>
|
||
350854 strange code in VG_(load_ELF)()<br>
|
||
351140 arm64 syscalls setuid (146) and setresgid (149) not implemented<br>
|
||
n-i-bz DRD and Helgrind: Handle Imbe_CancelReservation (clrex on ARM)<br>
|
||
n-i-bz Add missing ]] to terminate CDATA.<br>
|
||
n-i-bz Glibc versions prior to 2.5 do not define PTRACE_GETSIGINFO<br>
|
||
n-i-bz Enable sys_fadvise64_64 on arm32.<br>
|
||
n-i-bz Add test cases for all remaining AArch64 SIMD, FP and memory insns.<br>
|
||
n-i-bz Add test cases for all known arm64 load/store instructions.<br>
|
||
n-i-bz PRE(sys_openat): when checking whether ARG1 == VKI_AT_FDCWD [..]<br>
|
||
n-i-bz Add detection of old ppc32 magic instructions from bug 278808.<br>
|
||
n-i-bz exp-dhat: Implement missing function "dh_malloc_usable_size".<br>
|
||
n-i-bz arm64: Implement "fcvtpu w, s".<br>
|
||
n-i-bz arm64: implement ADDP and various others<br>
|
||
n-i-bz arm64: Implement {S,U}CVTF (scalar, fixedpt).<br>
|
||
n-i-bz arm64: enable FCVT{A,N}S X,S.<br>
|
||
<br>
|
||
(3.10.1: 25 November 2014, vex r3026, valgrind r14785)<br>
|
||
<br>
|
||
<br>
|
||
<br>
|
||
Release 3.10.0 (10 September 2014)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
<br>
|
||
3.10.0 is a feature release with many improvements and the usual<br>
|
||
collection of bug fixes.<br>
|
||
<br>
|
||
This release supports X86/Linux, AMD64/Linux, ARM32/Linux, ARM64/Linux,<br>
|
||
PPC32/Linux, PPC64BE/Linux, PPC64LE/Linux, S390X/Linux, MIPS32/Linux,<br>
|
||
MIPS64/Linux, ARM/Android, MIPS32/Android, X86/Android, X86/MacOSX 10.9<br>
|
||
and AMD64/MacOSX 10.9. Support for MacOSX 10.8 and 10.9 is<br>
|
||
significantly improved relative to the 3.9.0 release.<br>
|
||
<br>
|
||
* ================== PLATFORM CHANGES =================<br>
|
||
<br>
|
||
* Support for the 64-bit ARM Architecture (AArch64 ARMv8). This port<br>
|
||
is mostly complete, and is usable, but some SIMD instructions are as<br>
|
||
yet unsupported.<br>
|
||
<br>
|
||
* Support for little-endian variant of the 64-bit POWER architecture.<br>
|
||
<br>
|
||
* Support for Android on MIPS32.<br>
|
||
<br>
|
||
* Support for 64bit FPU on MIPS32 platforms.<br>
|
||
<br>
|
||
* Both 32- and 64-bit executables are supported on MacOSX 10.8 and 10.9.<br>
|
||
<br>
|
||
* Configuration for and running on Android targets has changed.<br>
|
||
See README.android in the source tree for details.<br>
|
||
<br>
|
||
* ================== DEPRECATED FEATURES =================<br>
|
||
<br>
|
||
* --db-attach is now deprecated and will be removed in the next<br>
|
||
valgrind feature release. The built-in GDB server capabilities are<br>
|
||
superior and should be used instead. Learn more here:<br>
|
||
http://valgrind.org/docs/manual/manual-core-adv.html#manual-core-adv.gdbserver<br>
|
||
<br>
|
||
* ==================== TOOL CHANGES ====================<br>
|
||
<br>
|
||
* Memcheck:<br>
|
||
<br>
|
||
- Client code can now selectively disable and re-enable reporting of<br>
|
||
invalid address errors in specific ranges using the new client<br>
|
||
requests VALGRIND_DISABLE_ADDR_ERROR_REPORTING_IN_RANGE and<br>
|
||
VALGRIND_ENABLE_ADDR_ERROR_REPORTING_IN_RANGE.<br>
|
||
<br>
|
||
- Leak checker: there is a new leak check heuristic called<br>
|
||
"length64". This is used to detect interior pointers pointing 8<br>
|
||
bytes inside a block, on the assumption that the first 8 bytes<br>
|
||
holds the value "block size - 8". This is used by<br>
|
||
sqlite3MemMalloc, for example.<br>
|
||
<br>
|
||
- Checking of system call parameters: if a syscall parameter<br>
|
||
(e.g. bind struct sockaddr, sendmsg struct msghdr, ...) has<br>
|
||
several fields not initialised, an error is now reported for each<br>
|
||
field. Previously, an error was reported only for the first<br>
|
||
uninitialised field.<br>
|
||
<br>
|
||
- Mismatched alloc/free checking: a new flag<br>
|
||
--show-mismatched-frees=no|yes [yes] makes it possible to turn off<br>
|
||
such checks if necessary.<br>
|
||
<br>
|
||
* Helgrind:<br>
|
||
<br>
|
||
- Improvements to error messages:<br>
|
||
<br>
|
||
o Race condition error message involving heap allocated blocks also<br>
|
||
show the thread number that allocated the raced-on block.<br>
|
||
<br>
|
||
o All locks referenced by an error message are now announced.<br>
|
||
Previously, some error messages only showed the lock addresses.<br>
|
||
<br>
|
||
o The message indicating where a lock was first observed now also<br>
|
||
describes the address/location of the lock.<br>
|
||
<br>
|
||
- Helgrind now understands the Ada task termination rules and<br>
|
||
creates a happens-before relationship between a terminated task<br>
|
||
and its master. This avoids some false positives and avoids a big<br>
|
||
memory leak when a lot of Ada tasks are created and terminated.<br>
|
||
The interceptions are only activated with forthcoming releases of<br>
|
||
gnatpro >= 7.3.0w-20140611 and gcc >= 5.0.<br>
|
||
<br>
|
||
- A new GDB server monitor command "info locks" giving the list of<br>
|
||
locks, their location, and their status.<br>
|
||
<br>
|
||
* Callgrind:<br>
|
||
<br>
|
||
- callgrind_control now supports the --vgdb-prefix argument,<br>
|
||
which is needed if valgrind was started with this same argument.<br>
|
||
<br>
|
||
* ==================== OTHER CHANGES ====================<br>
|
||
<br>
|
||
* Unwinding through inlined function calls. Stack unwinding can now<br>
|
||
make use of Dwarf3 inlined-unwind information if it is available.<br>
|
||
The practical effect is that inlined calls become visible in stack<br>
|
||
traces. The suppression matching machinery has been adjusted<br>
|
||
accordingly. This is controlled by the new option<br>
|
||
--read-inline-info=yes|no. Currently this is enabled by default<br>
|
||
only on Linux and Android targets and only for the tools Memcheck,<br>
|
||
Helgrind and DRD.<br>
|
||
<br>
|
||
* Valgrind can now read EXIDX unwind information on 32-bit ARM<br>
|
||
targets. If an object contains both CFI and EXIDX unwind<br>
|
||
information, Valgrind will prefer the CFI over the EXIDX. This<br>
|
||
facilitates unwinding through system libraries on arm-android<br>
|
||
targets.<br>
|
||
<br>
|
||
* Address description logic has been improved and is now common<br>
|
||
between Memcheck and Helgrind, resulting in better address<br>
|
||
descriptions for some kinds of error messages.<br>
|
||
<br>
|
||
* Error messages about dubious arguments (eg, to malloc or calloc) are<br>
|
||
output like other errors. This means that they can be suppressed<br>
|
||
and they have a stack trace.<br>
|
||
<br>
|
||
* The C++ demangler has been updated for better C++11 support.<br>
|
||
<br>
|
||
* New and modified GDB server monitor features:<br>
|
||
<br>
|
||
- Thread local variables/storage (__thread) can now be displayed.<br>
|
||
<br>
|
||
- The GDB server monitor command "v.info location <address>"<br>
|
||
displays information about an address. The information produced<br>
|
||
depends on the tool and on the options given to valgrind.<br>
|
||
Possibly, the following are described: global variables, local<br>
|
||
(stack) variables, allocated or freed blocks, ...<br>
|
||
<br>
|
||
- The option "--vgdb-stop-at=event1,event2,..." allows the user to<br>
|
||
ask the GDB server to stop at the start of program execution, at<br>
|
||
the end of the program execution and on Valgrind internal errors.<br>
|
||
<br>
|
||
- A new monitor command "v.info stats" shows various Valgrind core<br>
|
||
and tool statistics.<br>
|
||
<br>
|
||
- A new monitor command "v.set hostvisibility" allows the GDB server<br>
|
||
to provide access to Valgrind internal host status/memory.<br>
|
||
<br>
|
||
* A new option "--aspace-minaddr=<address>" can in some situations<br>
|
||
allow the use of more memory by decreasing the address above which<br>
|
||
Valgrind maps memory. It can also be used to solve address<br>
|
||
conflicts with system libraries by increasing the default value.<br>
|
||
See user manual for details.<br>
|
||
<br>
|
||
* The amount of memory used by Valgrind to store debug info (unwind<br>
|
||
info, line number information and symbol data) has been<br>
|
||
significantly reduced, even though Valgrind now reads more<br>
|
||
information in order to support unwinding of inlined function calls.<br>
|
||
<br>
|
||
* Dwarf3 handling with --read-var-info=yes has been improved:<br>
|
||
<br>
|
||
- Ada and C struct containing VLAs no longer cause a "bad DIE" error<br>
|
||
<br>
|
||
- Code compiled with<br>
|
||
-ffunction-sections -fdata-sections -Wl,--gc-sections<br>
|
||
no longer causes assertion failures.<br>
|
||
<br>
|
||
* Improved checking for the --sim-hints= and --kernel-variant=<br>
|
||
options. Unknown strings are now detected and reported to the user<br>
|
||
as a usage error.<br>
|
||
<br>
|
||
* The semantics of stack start/end boundaries in the valgrind.h<br>
|
||
VALGRIND_STACK_REGISTER client request has been clarified and<br>
|
||
documented. The convention is that start and end are respectively<br>
|
||
the lowest and highest addressable bytes of the stack.<br>
|
||
<br>
|
||
* ==================== FIXED BUGS ====================<br>
|
||
<br>
|
||
The following bugs have been fixed or resolved. Note that "n-i-bz"<br>
|
||
stands for "not in bugzilla" -- that is, a bug that was reported to us<br>
|
||
but never got a bugzilla entry. We encourage you to file bugs in<br>
|
||
bugzilla (https://bugs.kde.org/enter_bug.cgi?product=valgrind) rather<br>
|
||
than mailing the developers (or mailing lists) directly -- bugs that<br>
|
||
are not entered into bugzilla tend to get forgotten about or ignored.<br>
|
||
<br>
|
||
To see details of a given bug, visit<br>
|
||
https://bugs.kde.org/show_bug.cgi?id=XXXXXX<br>
|
||
where XXXXXX is the bug number as listed below.<br>
|
||
<br>
|
||
175819 Support for ipv6 socket reporting with --track-fds<br>
|
||
232510 make distcheck fails<br>
|
||
249435 Analyzing wine programs with callgrind triggers a crash<br>
|
||
278972 support for inlined function calls in stacktraces and suppression<br>
|
||
== 199144<br>
|
||
291310 FXSAVE instruction marks memory as undefined on amd64<br>
|
||
303536 ioctl for SIOCETHTOOL (ethtool(8)) isn't wrapped<br>
|
||
308729 vex x86->IR: unhandled instruction bytes 0xf 0x5 (syscall) <br>
|
||
315199 vgcore file for threaded app does not show which thread crashed<br>
|
||
315952 tun/tap ioctls are not supported<br>
|
||
323178 Unhandled instruction: PLDW register (ARM) <br>
|
||
323179 Unhandled instruction: PLDW immediate (ARM)<br>
|
||
324050 Helgrind: SEGV because of unaligned stack when using movdqa<br>
|
||
325110 Add test-cases for Power ISA 2.06 insns: divdo/divdo. and divduo/divduo.<br>
|
||
325124 [MIPSEL] Compilation error<br>
|
||
325477 Phase 4 support for IBM Power ISA 2.07<br>
|
||
325538 cavium octeon mips64, valgrind reported "dumping core" [...]<br>
|
||
325628 Phase 5 support for IBM Power ISA 2.07<br>
|
||
325714 Empty vgcore but RLIMIT_CORE is big enough (too big) <br>
|
||
325751 Missing the two privileged Power PC Transactional Memory Instructions<br>
|
||
325816 Phase 6 support for IBM Power ISA 2.07<br>
|
||
325856 Make SGCheck fail gracefully on unsupported platforms<br>
|
||
326026 Iop names for count leading zeros/sign bits incorrectly imply [..]<br>
|
||
326436 DRD: False positive in libstdc++ std::list::push_back<br>
|
||
326444 Cavium MIPS Octeon Specific Load Indexed Instructions<br>
|
||
326462 Refactor vgdb to isolate invoker stuff into separate module<br>
|
||
326469 amd64->IR: 0x66 0xF 0x3A 0x63 0xC1 0xE (pcmpistri 0x0E)<br>
|
||
326623 DRD: false positive conflict report in a field assignment<br>
|
||
326724 Valgrind does not compile on OSX 1.9 Mavericks<br>
|
||
326816 Intercept for __strncpy_sse2_unaligned missing?<br>
|
||
326921 coregrind fails to compile m_trampoline.S with MIPS/Linux port of V<br>
|
||
326983 Clear direction flag after tests on amd64.<br>
|
||
327212 Do not prepend the current directory to absolute path names.<br>
|
||
327223 Support for Cavium MIPS Octeon Atomic and Count Instructions<br>
|
||
327238 Callgrind Assertion 'passed <= last_bb->cjmp_count' failed<br>
|
||
327284 s390x: Fix translation of the risbg instruction<br>
|
||
327639 vex amd64->IR pcmpestri SSE4.2 instruction is unsupported 0x34<br>
|
||
327837 dwz compressed alternate .debug_info and .debug_str not read correctly<br>
|
||
327916 DW_TAG_typedef may have no name<br>
|
||
327943 s390x: add a redirection for the 'index' function<br>
|
||
328100 XABORT not implemented<br>
|
||
328205 Implement additional Xen hypercalls<br>
|
||
328454 add support Backtraces with ARM unwind tables (EXIDX)<br>
|
||
328455 s390x: SIGILL after emitting wrong register pair for ldxbr<br>
|
||
328711 valgrind.1 manpage "memcheck options" section is badly generated<br>
|
||
328878 vex amd64->IR pcmpestri SSE4.2 instruction is unsupported 0x14<br>
|
||
329612 Incorrect handling of AT_BASE for image execution <br>
|
||
329694 clang warns about using uninitialized variable <br>
|
||
329956 valgrind crashes when lmw/stmw instructions are used on ppc64<br>
|
||
330228 mmap must align to VKI_SHMLBA on mips32<br>
|
||
330257 LLVM does not support `-mno-dynamic-no-pic` option<br>
|
||
330319 amd64->IR: unhandled instruction bytes: 0xF 0x1 0xD5 (xend)<br>
|
||
330459 --track-fds=yes doesn't track eventfds<br>
|
||
330469 Add clock_adjtime syscall support<br>
|
||
330594 Missing sysalls on PowerPC / uClibc<br>
|
||
330622 Add test to regression suite for POWER instruction: dcbzl<br>
|
||
330939 Support for AMD's syscall instruction on x86<br>
|
||
== 308729<br>
|
||
330941 Typo in PRE(poll) syscall wrapper<br>
|
||
331057 unhandled instruction: 0xEEE01B20 (vfma.f64) (has patch)<br>
|
||
331254 Fix expected output for memcheck/tests/dw4<br>
|
||
331255 Fix race condition in test none/tests/coolo_sigaction<br>
|
||
331257 Fix type of jump buffer in test none/tests/faultstatus<br>
|
||
331305 configure uses bash specific syntax<br>
|
||
331337 s390x WARNING: unhandled syscall: 326 (dup3)<br>
|
||
331380 Syscall param timer_create(evp) points to uninitialised byte(s)<br>
|
||
331476 Patch to handle ioctl 0x5422 on Linux (x86 and amd64)<br>
|
||
331829 Unexpected ioctl opcode sign extension<br>
|
||
331830 ppc64: WARNING: unhandled syscall: 96/97<br>
|
||
331839 drd/tests/sem_open specifies invalid semaphore name <br>
|
||
331847 outcome of drd/tests/thread_name is nondeterministic<br>
|
||
332037 Valgrind cannot handle Thumb "add pc, reg"<br>
|
||
332055 drd asserts on platforms with VG_STACK_REDZONE_SZB == 0 and<br>
|
||
consistency checks enabled<br>
|
||
332263 intercepts for pthread_rwlock_timedrdlock and<br>
|
||
pthread_rwlock_timedwrlock are incorrect<br>
|
||
332265 drd could do with post-rwlock_init and pre-rwlock_destroy<br>
|
||
client requests<br>
|
||
332276 Implement additional Xen hypercalls<br>
|
||
332658 ldrd.w r1, r2, [PC, #imm] does not adjust for 32bit alignment<br>
|
||
332765 Fix ms_print to create temporary files in a proper directory<br>
|
||
333072 drd: Add semaphore annotations<br>
|
||
333145 Tests for missaligned PC+#imm access for arm<br>
|
||
333228 AAarch64 Missing instruction encoding: mrs %[reg], ctr_el0<br>
|
||
333230 AAarch64 missing instruction encodings: dc, ic, dsb.<br>
|
||
333248 WARNING: unhandled syscall: unix:443<br>
|
||
333428 ldr.w pc [rD, #imm] instruction leads to assertion<br>
|
||
333501 cachegrind: assertion: Cache set count is not a power of two.<br>
|
||
== 336577<br>
|
||
== 292281<br>
|
||
333666 Recognize MPX instructions and bnd prefix.<br>
|
||
333788 Valgrind does not support the CDROM_DISC_STATUS ioctl (has patch)<br>
|
||
333817 Valgrind reports the memory areas written to by the SG_IO<br>
|
||
ioctl as untouched<br>
|
||
334049 lzcnt fails silently (x86_32)<br>
|
||
334384 Valgrind does not have support Little Endian support for<br>
|
||
IBM POWER PPC 64<br>
|
||
334585 recvmmsg unhandled (+patch) (arm)<br>
|
||
334705 sendmsg and recvmsg should guard against bogus msghdr fields.<br>
|
||
334727 Build fails with -Werror=format-security<br>
|
||
334788 clarify doc about --log-file initial program directory<br>
|
||
334834 PPC64 Little Endian support, patch 2<br>
|
||
334836 PPC64 Little Endian support, patch 3 testcase fixes<br>
|
||
334936 patch to fix false positives on alsa SNDRV_CTL_* ioctls<br>
|
||
335034 Unhandled ioctl: HCIGETDEVLIST<br>
|
||
335155 vgdb, fix error print statement.<br>
|
||
335262 arm64: movi 8bit version is not supported<br>
|
||
335263 arm64: dmb instruction is not implemented<br>
|
||
335441 unhandled ioctl 0x8905 (SIOCATMARK) when running wine under valgrind<br>
|
||
335496 arm64: sbc/abc instructions are not implemented<br>
|
||
335554 arm64: unhandled instruction: abs<br>
|
||
335564 arm64: unhandled instruction: fcvtpu Xn, Sn<br>
|
||
335735 arm64: unhandled instruction: cnt<br>
|
||
335736 arm64: unhandled instruction: uaddlv<br>
|
||
335848 arm64: unhandled instruction: {s,u}cvtf<br>
|
||
335902 arm64: unhandled instruction: sli<br>
|
||
335903 arm64: unhandled instruction: umull (vector)<br>
|
||
336055 arm64: unhandled instruction: mov (element)<br>
|
||
336062 arm64: unhandled instruction: shrn{,2}<br>
|
||
336139 mip64: [...] valgrind hangs and spins on a single core [...]<br>
|
||
336189 arm64: unhandled Instruction: mvn<br>
|
||
336435 Valgrind hangs in pthread_spin_lock consuming 100% CPU<br>
|
||
336619 valgrind --read-var-info=yes doesn't handle DW_TAG_restrict_type<br>
|
||
336772 Make moans about unknown ioctls more informative<br>
|
||
336957 Add a section about the Solaris/illumos port on the webpage<br>
|
||
337094 ifunc wrapper is broken on ppc64<br>
|
||
337285 fcntl commands F_OFD_SETLK, F_OFD_SETLKW, and F_OFD_GETLK not supported<br>
|
||
337528 leak check heuristic for block prefixed by length as 64bit number<br>
|
||
337740 Implement additional Xen hypercalls<br>
|
||
337762 guest_arm64_toIR.c:4166 (dis_ARM64_load_store): Assertion `0' failed.<br>
|
||
337766 arm64-linux: unhandled syscalls mlock (228) and mlockall (230)<br>
|
||
337871 deprecate --db-attach<br>
|
||
338023 Add support for all V4L2/media ioctls<br>
|
||
338024 inlined functions are not shown if DW_AT_ranges is used<br>
|
||
338106 Add support for 'kcmp' syscall<br>
|
||
338115 DRD: computed conflict set differs from actual after fork<br>
|
||
338160 implement display of thread local storage in gdbsrv<br>
|
||
338205 configure.ac and check for -Wno-tautological-compare<br>
|
||
338300 coredumps are missing one byte of every segment<br>
|
||
338445 amd64 vbit-test fails with unknown opcodes used by arm64 VEX<br>
|
||
338499 --sim-hints parsing broken due to wrong order in tokens<br>
|
||
338615 suppress glibc 2.20 optimized strcmp implementation for ARMv7<br>
|
||
338681 Unable to unwind through clone thread created on i386-linux<br>
|
||
338698 race condition between gdbsrv and vgdb on startup<br>
|
||
338703 helgrind on arm-linux gets false positives in dynamic loader<br>
|
||
338791 alt dwz files can be relative of debug/main file<br>
|
||
338878 on MacOS: assertion 'VG_IS_PAGE_ALIGNED(clstack_end+1)' failed<br>
|
||
338932 build V-trunk with gcc-trunk<br>
|
||
338974 glibc 2.20 changed size of struct sigaction sa_flags field on s390<br>
|
||
345079 Fix build problems in VEX/useful/test_main.c<br>
|
||
n-i-bz Fix KVM_CREATE_IRQCHIP ioctl handling<br>
|
||
n-i-bz s390x: Fix memory corruption for multithreaded applications<br>
|
||
n-i-bz vex arm->IR: allow PC as basereg in some LDRD cases<br>
|
||
n-i-bz internal error in Valgrind if vgdb transmit signals when ptrace invoked<br>
|
||
n-i-bz Fix mingw64 support in valgrind.h (dev@, 9 May 2014)<br>
|
||
n-i-bz drd manual: Document how to C++11 programs that use class "std::thread"<br>
|
||
n-i-bz Add command-line option --default-suppressions<br>
|
||
n-i-bz Add support for BLKDISCARDZEROES ioctl<br>
|
||
n-i-bz ppc32/64: fix a regression with the mtfsb0/mtfsb1 instructions<br>
|
||
n-i-bz Add support for sys_pivot_root and sys_unshare<br>
|
||
<br>
|
||
(3.10.0.BETA1: 2 September 2014, vex r2940, valgrind r14428)<br>
|
||
(3.10.0.BETA2: 8 September 2014, vex r2950, valgrind r14503)<br>
|
||
(3.10.0: 10 September 2014, vex r2950, valgrind r14514)<br>
|
||
<br>
|
||
<br>
|
||
<br>
|
||
Release 3.9.0 (31 October 2013)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
3.9.0 is a feature release with many improvements and the usual<br>
|
||
collection of bug fixes.<br>
|
||
<br>
|
||
This release supports X86/Linux, AMD64/Linux, ARM/Linux, PPC32/Linux,<br>
|
||
PPC64/Linux, S390X/Linux, MIPS32/Linux, MIPS64/Linux, ARM/Android,<br>
|
||
X86/Android, X86/MacOSX 10.7 and AMD64/MacOSX 10.7. Support for<br>
|
||
MacOSX 10.8 is significantly improved relative to the 3.8.0 release.<br>
|
||
<br>
|
||
* ================== PLATFORM CHANGES =================<br>
|
||
<br>
|
||
* Support for MIPS64 LE and BE running Linux. Valgrind has been<br>
|
||
tested on MIPS64 Debian Squeeze and Debian Wheezy distributions.<br>
|
||
<br>
|
||
* Support for MIPS DSP ASE on MIPS32 platforms.<br>
|
||
<br>
|
||
* Support for s390x Decimal Floating Point instructions on hosts that<br>
|
||
have the DFP facility installed.<br>
|
||
<br>
|
||
* Support for POWER8 (Power ISA 2.07) instructions<br>
|
||
<br>
|
||
* Support for Intel AVX2 instructions. This is available only on 64<br>
|
||
bit code.<br>
|
||
<br>
|
||
* Initial support for Intel Transactional Synchronization Extensions,<br>
|
||
both RTM and HLE.<br>
|
||
<br>
|
||
* Initial support for Hardware Transactional Memory on POWER.<br>
|
||
<br>
|
||
* Improved support for MacOSX 10.8 (64-bit only). Memcheck can now<br>
|
||
run large GUI apps tolerably well.<br>
|
||
<br>
|
||
* ==================== TOOL CHANGES ====================<br>
|
||
<br>
|
||
* Memcheck:<br>
|
||
<br>
|
||
- Improvements in handling of vectorised code, leading to<br>
|
||
significantly fewer false error reports. You need to use the flag<br>
|
||
--partial-loads-ok=yes to get the benefits of these changes.<br>
|
||
<br>
|
||
- Better control over the leak checker. It is now possible to<br>
|
||
specify which leak kinds (definite/indirect/possible/reachable)<br>
|
||
should be displayed, which should be regarded as errors, and which<br>
|
||
should be suppressed by a given leak suppression. This is done<br>
|
||
using the options --show-leak-kinds=kind1,kind2,..,<br>
|
||
--errors-for-leak-kinds=kind1,kind2,.. and an optional<br>
|
||
"match-leak-kinds:" line in suppression entries, respectively.<br>
|
||
<br>
|
||
Note that generated leak suppressions contain this new line and<br>
|
||
are therefore more specific than in previous releases. To get the<br>
|
||
same behaviour as previous releases, remove the "match-leak-kinds:"<br>
|
||
line from generated suppressions before using them.<br>
|
||
<br>
|
||
- Reduced "possible leak" reports from the leak checker by the use<br>
|
||
of better heuristics. The available heuristics provide detection<br>
|
||
of valid interior pointers to std::stdstring, to new[] allocated<br>
|
||
arrays with elements having destructors and to interior pointers<br>
|
||
pointing to an inner part of a C++ object using multiple<br>
|
||
inheritance. They can be selected individually using the<br>
|
||
option --leak-check-heuristics=heur1,heur2,...<br>
|
||
<br>
|
||
- Better control of stacktrace acquisition for heap-allocated<br>
|
||
blocks. Using the --keep-stacktraces option, it is possible to<br>
|
||
control independently whether a stack trace is acquired for each<br>
|
||
allocation and deallocation. This can be used to create better<br>
|
||
"use after free" errors or to decrease Valgrind's resource<br>
|
||
consumption by recording less information.<br>
|
||
<br>
|
||
- Better reporting of leak suppression usage. The list of used<br>
|
||
suppressions (shown when the -v option is given) now shows, for<br>
|
||
each leak suppressions, how many blocks and bytes it suppressed<br>
|
||
during the last leak search.<br>
|
||
<br>
|
||
* Helgrind:<br>
|
||
<br>
|
||
- False errors resulting from the use of statically initialised<br>
|
||
mutexes and condition variables (PTHREAD_MUTEX_INITIALISER, etc)<br>
|
||
have been removed.<br>
|
||
<br>
|
||
- False errors resulting from the use of pthread_cond_waits that<br>
|
||
timeout, have been removed.<br>
|
||
<br>
|
||
* ==================== OTHER CHANGES ====================<br>
|
||
<br>
|
||
* Some attempt to tune Valgrind's space requirements to the expected<br>
|
||
capabilities of the target:<br>
|
||
<br>
|
||
- The default size of the translation cache has been reduced from 8<br>
|
||
sectors to 6 on Android platforms, since each sector occupies<br>
|
||
about 40MB when using Memcheck.<br>
|
||
<br>
|
||
- The default size of the translation cache has been increased to 16<br>
|
||
sectors on all other platforms, reflecting the fact that large<br>
|
||
applications require instrumentation and storage of huge amounts<br>
|
||
of code. For similar reasons, the number of memory mapped<br>
|
||
segments that can be tracked has been increased by a factor of 6.<br>
|
||
<br>
|
||
- In all cases, the maximum number of sectors in the translation<br>
|
||
cache can be controlled by the new flag --num-transtab-sectors.<br>
|
||
<br>
|
||
* Changes in how debug info (line numbers, etc) is read:<br>
|
||
<br>
|
||
- Valgrind no longer temporarily mmaps the entire object to read<br>
|
||
from it. Instead, reading is done through a small fixed sized<br>
|
||
buffer. This avoids virtual memory usage spikes when Valgrind<br>
|
||
reads debuginfo from large shared objects.<br>
|
||
<br>
|
||
- A new experimental remote debug info server. Valgrind can read<br>
|
||
debug info from a different machine (typically, a build host)<br>
|
||
where debuginfo objects are stored. This can save a lot of time<br>
|
||
and hassle when running Valgrind on resource-constrained targets<br>
|
||
(phones, tablets) when the full debuginfo objects are stored<br>
|
||
somewhere else. This is enabled by the --debuginfo-server=<br>
|
||
option.<br>
|
||
<br>
|
||
- Consistency checking between main and debug objects can be<br>
|
||
disabled using the --allow-mismatched-debuginfo option.<br>
|
||
<br>
|
||
* Stack unwinding by stack scanning, on ARM. Unwinding by stack<br>
|
||
scanning can recover stack traces in some cases when the normal<br>
|
||
unwind mechanisms fail. Stack scanning is best described as "a<br>
|
||
nasty, dangerous and misleading hack" and so is disabled by default.<br>
|
||
Use --unw-stack-scan-thresh and --unw-stack-scan-frames to enable<br>
|
||
and control it.<br>
|
||
<br>
|
||
* Detection and merging of recursive stack frame cycles. When your<br>
|
||
program has recursive algorithms, this limits the memory used by<br>
|
||
Valgrind for recorded stack traces and avoids recording<br>
|
||
uninteresting repeated calls. This is controlled by the command<br>
|
||
line option --merge-recursive-frame and by the monitor command<br>
|
||
"v.set merge-recursive-frames".<br>
|
||
<br>
|
||
* File name and line numbers for used suppressions. The list of used<br>
|
||
suppressions (shown when the -v option is given) now shows, for each<br>
|
||
used suppression, the file name and line number where the suppression<br>
|
||
is defined.<br>
|
||
<br>
|
||
* New and modified GDB server monitor features:<br>
|
||
<br>
|
||
- valgrind.h has a new client request, VALGRIND_MONITOR_COMMAND,<br>
|
||
that can be used to execute gdbserver monitor commands from the<br>
|
||
client program.<br>
|
||
<br>
|
||
- A new monitor command, "v.info open_fds", that gives the list of<br>
|
||
open file descriptors and additional details.<br>
|
||
<br>
|
||
- An optional message in the "v.info n_errs_found" monitor command,<br>
|
||
for example "v.info n_errs_found test 1234 finished", allowing a<br>
|
||
comment string to be added to the process output, perhaps for the<br>
|
||
purpose of separating errors of different tests or test phases.<br>
|
||
<br>
|
||
- A new monitor command "v.info execontext" that shows information<br>
|
||
about the stack traces recorded by Valgrind.<br>
|
||
<br>
|
||
- A new monitor command "v.do expensive_sanity_check_general" to run<br>
|
||
some internal consistency checks.<br>
|
||
<br>
|
||
* New flag --sigill-diagnostics to control whether a diagnostic<br>
|
||
message is printed when the JIT encounters an instruction it can't<br>
|
||
translate. The actual behavior -- delivery of SIGILL to the<br>
|
||
application -- is unchanged.<br>
|
||
<br>
|
||
* The maximum amount of memory that Valgrind can use on 64 bit targets<br>
|
||
has been increased from 32GB to 64GB. This should make it possible<br>
|
||
to run applications on Memcheck that natively require up to about 35GB.<br>
|
||
<br>
|
||
* ==================== FIXED BUGS ====================<br>
|
||
<br>
|
||
The following bugs have been fixed or resolved. Note that "n-i-bz"<br>
|
||
stands for "not in bugzilla" -- that is, a bug that was reported to us<br>
|
||
but never got a bugzilla entry. We encourage you to file bugs in<br>
|
||
bugzilla (https://bugs.kde.org/enter_bug.cgi?product=valgrind) rather<br>
|
||
than mailing the developers (or mailing lists) directly -- bugs that<br>
|
||
are not entered into bugzilla tend to get forgotten about or ignored.<br>
|
||
<br>
|
||
To see details of a given bug, visit<br>
|
||
https://bugs.kde.org/show_bug.cgi?id=XXXXXX<br>
|
||
where XXXXXX is the bug number as listed below.<br>
|
||
<br>
|
||
123837 system call: 4th argument is optional, depending on cmd<br>
|
||
135425 memcheck should tell you where Freed blocks were Mallocd<br>
|
||
164485 VG_N_SEGNAMES and VG_N_SEGMENTS are (still) too small<br>
|
||
207815 Adds some of the drm ioctls to syswrap-linux.c <br>
|
||
251569 vex amd64->IR: 0xF 0x1 0xF9 0xBF 0x90 0xD0 0x3 0x0 (RDTSCP)<br>
|
||
252955 Impossible to compile with ccache<br>
|
||
253519 Memcheck reports auxv pointer accesses as invalid reads.<br>
|
||
263034 Crash when loading some PPC64 binaries<br>
|
||
269599 Increase deepest backtrace<br>
|
||
274695 s390x: Support "compare to/from logical" instructions (z196)<br>
|
||
275800 s390x: Autodetect cache info (part 2)<br>
|
||
280271 Valgrind reports possible memory leaks on still-reachable std::string<br>
|
||
284540 Memcheck shouldn't count suppressions matching still-reachable [..]<br>
|
||
289578 Backtraces with ARM unwind tables (stack scan flags)<br>
|
||
296311 Wrong stack traces due to -fomit-frame-pointer (x86) <br>
|
||
304832 ppc32: build failure<br>
|
||
305431 Use find_buildid shdr fallback for separate .debug files<br>
|
||
305728 Add support for AVX2 instructions<br>
|
||
305948 ppc64: code generation for ShlD64 / ShrD64 asserts<br>
|
||
306035 s390x: Fix IR generation for LAAG and friends<br>
|
||
306054 s390x: Condition code computation for convert-to-int/logical<br>
|
||
306098 s390x: alternate opcode form for convert to/from fixed<br>
|
||
306587 Fix cache line detection from auxiliary vector for PPC.<br>
|
||
306783 Mips unhandled syscall : 4025 / 4079 / 4182<br>
|
||
307038 DWARF2 CFI reader: unhandled DW_OP_ opcode 0x8 (DW_OP_const1u et al)<br>
|
||
307082 HG false positive: pthread_cond_destroy: destruction of unknown CV<br>
|
||
307101 sys_capget second argument can be NULL<br>
|
||
307103 sys_openat: If pathname is absolute, then dirfd is ignored.<br>
|
||
307106 amd64->IR: f0 0f c0 02 (lock xadd byte)<br>
|
||
307113 s390x: DFP support<br>
|
||
307141 valgrind does't work in mips-linux system<br>
|
||
307155 filter_gdb should filter out syscall-template.S T_PSEUDO<br>
|
||
307285 x86_amd64 feature test for avx in test suite is wrong<br>
|
||
307290 memcheck overlap testcase needs memcpy version filter<br>
|
||
307463 Please add "&limit=0" to the "all open bugs" link<br>
|
||
307465 --show-possibly-lost=no should reduce the error count / exit code<br>
|
||
307557 Leaks on Mac OS X 10.7.5 libraries at ImageLoader::recursiveInit[..]<br>
|
||
307729 pkgconfig support broken valgrind.pc<br>
|
||
307828 Memcheck false errors SSE optimized wcscpy, wcscmp, wcsrchr, wcschr<br>
|
||
307955 Building valgrind 3.7.0-r4 fails in Gentoo AMD64 when using clang<br>
|
||
308089 Unhandled syscall on ppc64: prctl<br>
|
||
308135 PPC32 MPC8xx has 16 bytes cache size<br>
|
||
308321 testsuite memcheck filter interferes with gdb_filter <br>
|
||
308333 == 307106<br>
|
||
308341 vgdb should report process exit (or fatal signal)<br>
|
||
308427 s390 memcheck reports tsearch cjump/cmove depends on uninit<br>
|
||
308495 Remove build dependency on installed Xen headers<br>
|
||
308573 Internal error on 64-bit instruction executed in 32-bit mode<br>
|
||
308626 == 308627<br>
|
||
308627 pmovmskb validity bit propagation is imprecise<br>
|
||
308644 vgdb command for having the info for the track-fds option<br>
|
||
308711 give more info about aspacemgr and arenas in out_of_memory<br>
|
||
308717 ARM: implement fixed-point VCVT.F64.[SU]32<br>
|
||
308718 ARM implement SMLALBB family of instructions<br>
|
||
308886 Missing support for PTRACE_SET/GETREGSET <br>
|
||
308930 syscall name_to_handle_at (303 on amd64) not handled<br>
|
||
309229 V-bit tester does not report number of tests generated<br>
|
||
309323 print unrecognized instuction on MIPS<br>
|
||
309425 Provide a --sigill-diagnostics flag to suppress illegal [..]<br>
|
||
309427 SSE optimized stpncpy trigger uninitialised value [..] errors<br>
|
||
309430 Self hosting ppc64 encounters a vassert error on operand type<br>
|
||
309600 valgrind is a bit confused about 0-sized sections<br>
|
||
309823 Generate errors for still reachable blocks<br>
|
||
309921 PCMPISTRI validity bit propagation is imprecise<br>
|
||
309922 none/tests/ppc64/test_dfp5 sometimes fails<br>
|
||
310169 The Iop_CmpORD class of Iops is not supported by the vbit checker.<br>
|
||
310424 --read-var-info does not properly describe static variables <br>
|
||
310792 search additional path for debug symbols<br>
|
||
310931 s390x: Message-security assist (MSA) instruction extension [..]<br>
|
||
311100 PPC DFP implementation of the integer operands is inconsistent [..]<br>
|
||
311318 ARM: "128-bit constant is not implemented" error message<br>
|
||
311407 ssse3 bcopy (actually converted memcpy) causes invalid read [..]<br>
|
||
311690 V crashes because it redirects branches inside of a redirected function<br>
|
||
311880 x86_64: make regtest hangs at shell_valid1<br>
|
||
311922 WARNING: unhandled syscall: 170<br>
|
||
311933 == 251569<br>
|
||
312171 ppc: insn selection for DFP<br>
|
||
312571 Rounding mode call wrong for the DFP Iops [..]<br>
|
||
312620 Change to Iop_D32toD64 [..] for s390 DFP support broke ppc [..]<br>
|
||
312913 Dangling pointers error should also report the alloc stack trace<br>
|
||
312980 Building on Mountain Lion generates some compiler warnings<br>
|
||
313267 Adding MIPS64/Linux port to Valgrind<br>
|
||
313348 == 251569<br>
|
||
313354 == 251569<br>
|
||
313811 Buffer overflow in assert_fail<br>
|
||
314099 coverity pointed out error in VEX guest_ppc_toIR.c insn_suffix<br>
|
||
314269 ppc: dead code in insn selection<br>
|
||
314718 ARM: implement integer divide instruction (sdiv and udiv)<br>
|
||
315345 cl-format.xml and callgrind/dump.c don't agree on using cfl= or cfi=<br>
|
||
315441 sendmsg syscall should ignore unset msghdr msg_flags<br>
|
||
315534 msgrcv inside a thread causes valgrind to hang (block)<br>
|
||
315545 Assertion '(UChar*)sec->tt[tteNo].tcptr <= (UChar*)hcode' failed<br>
|
||
315689 disInstr(thumb): unhandled instruction: 0xF852 0x0E10 (LDRT)<br>
|
||
315738 disInstr(arm): unhandled instruction: 0xEEBE0BEE (vcvt.s32.f64)<br>
|
||
315959 valgrind man page has bogus SGCHECK (and no BBV) OPTIONS section<br>
|
||
316144 valgrind.1 manpage contains unknown ??? strings [..]<br>
|
||
316145 callgrind command line options in manpage reference (unknown) [..]<br>
|
||
316145 callgrind command line options in manpage reference [..]<br>
|
||
316181 drd: Fixed a 4x slowdown for certain applications<br>
|
||
316503 Valgrind does not support SSE4 "movntdqa" instruction<br>
|
||
316535 Use of |signed int| instead of |size_t| in valgrind messages<br>
|
||
316696 fluidanimate program of parsec 2.1 stuck <br>
|
||
316761 syscall open_by_handle_at (304 on amd64, 342 on x86) not handled<br>
|
||
317091 Use -Wl,-Ttext-segment when static linking if possible [..]<br>
|
||
317186 "Impossible happens" when occurs VCVT instruction on ARM<br>
|
||
317318 Support for Threading Building Blocks "scalable_malloc"<br>
|
||
317444 amd64->IR: 0xC4 0x41 0x2C 0xC2 0xD2 0x8 (vcmpeq_uqps)<br>
|
||
317461 Fix BMI assembler configure check and avx2/bmi/fma vgtest prereqs<br>
|
||
317463 bmi testcase IR SANITY CHECK FAILURE<br>
|
||
317506 memcheck/tests/vbit-test fails with unknown opcode after [..]<br>
|
||
318050 libmpiwrap fails to compile with out-of-source build<br>
|
||
318203 setsockopt handling needs to handle SOL_SOCKET/SO_ATTACH_FILTER<br>
|
||
318643 annotate_trace_memory tests infinite loop on arm and ppc [..]<br>
|
||
318773 amd64->IR: 0xF3 0x48 0x0F 0xBC 0xC2 0xC3 0x66 0x0F<br>
|
||
318929 Crash with: disInstr(thumb): 0xF321 0x0001 (ssat16)<br>
|
||
318932 Add missing PPC64 and PPC32 system call support<br>
|
||
319235 --db-attach=yes is broken with Yama (ptrace scoping) enabled<br>
|
||
319395 Crash with unhandled instruction on STRT (Thumb) instructions<br>
|
||
319494 VEX Makefile-gcc standalone build update after r2702<br>
|
||
319505 [MIPSEL] Crash: unhandled UNRAY operator.<br>
|
||
319858 disInstr(thumb): unhandled instruction on instruction STRBT<br>
|
||
319932 disInstr(thumb): unhandled instruction on instruction STRHT<br>
|
||
320057 Problems when we try to mmap more than 12 memory pages on MIPS32<br>
|
||
320063 Memory from PTRACE_GET_THREAD_AREA is reported uninitialised<br>
|
||
320083 disInstr(thumb): unhandled instruction on instruction LDRBT<br>
|
||
320116 bind on AF_BLUETOOTH produces warnings because of sockaddr_rc padding<br>
|
||
320131 WARNING: unhandled syscall: 369 on ARM (prlimit64)<br>
|
||
320211 Stack buffer overflow in ./coregrind/m_main.c with huge TMPDIR<br>
|
||
320661 vgModuleLocal_read_elf_debug_info(): "Assertion '!di->soname'<br>
|
||
320895 add fanotify support (patch included)<br>
|
||
320998 vex amd64->IR pcmpestri and pcmpestrm SSE4.2 instruction<br>
|
||
321065 Valgrind updates for Xen 4.3<br>
|
||
321148 Unhandled instruction: PLI (Thumb 1, 2, 3)<br>
|
||
321363 Unhandled instruction: SSAX (ARM + Thumb)<br>
|
||
321364 Unhandled instruction: SXTAB16 (ARM + Thumb)<br>
|
||
321466 Unhandled instruction: SHASX (ARM + Thumb)<br>
|
||
321467 Unhandled instruction: SHSAX (ARM + Thumb)<br>
|
||
321468 Unhandled instruction: SHSUB16 (ARM + Thumb)<br>
|
||
321619 Unhandled instruction: SHSUB8 (ARM + Thumb)<br>
|
||
321620 Unhandled instruction: UASX (ARM + Thumb)<br>
|
||
321621 Unhandled instruction: USAX (ARM + Thumb)<br>
|
||
321692 Unhandled instruction: UQADD16 (ARM + Thumb)<br>
|
||
321693 Unhandled instruction: LDRSBT (Thumb)<br>
|
||
321694 Unhandled instruction: UQASX (ARM + Thumb)<br>
|
||
321696 Unhandled instruction: UQSAX (Thumb + ARM)<br>
|
||
321697 Unhandled instruction: UHASX (ARM + Thumb)<br>
|
||
321703 Unhandled instruction: UHSAX (ARM + Thumb)<br>
|
||
321704 Unhandled instruction: REVSH (ARM + Thumb)<br>
|
||
321730 Add cg_diff and cg_merge man pages<br>
|
||
321738 Add vgdb and valgrind-listener man pages<br>
|
||
321814 == 315545<br>
|
||
321891 Unhandled instruction: LDRHT (Thumb)<br>
|
||
321960 pthread_create() then alloca() causing invalid stack write errors<br>
|
||
321969 ppc32 and ppc64 don't support [lf]setxattr<br>
|
||
322254 Show threadname together with tid if set by application<br>
|
||
322294 Add initial support for IBM Power ISA 2.07<br>
|
||
322368 Assertion failure in wqthread_hijack under OS X 10.8<br>
|
||
322563 vex mips->IR: 0x70 0x83 0xF0 0x3A<br>
|
||
322807 VALGRIND_PRINTF_BACKTRACE writes callstack to xml and text to stderr<br>
|
||
322851 0bXXX binary literal syntax is not standard <br>
|
||
323035 Unhandled instruction: LDRSHT(Thumb)<br>
|
||
323036 Unhandled instruction: SMMLS (ARM and Thumb)<br>
|
||
323116 The memcheck/tests/ppc64/power_ISA2_05.c fails to build [..]<br>
|
||
323175 Unhandled instruction: SMLALD (ARM + Thumb)<br>
|
||
323177 Unhandled instruction: SMLSLD (ARM + Thumb)<br>
|
||
323432 Calling pthread_cond_destroy() or pthread_mutex_destroy() [..]<br>
|
||
323437 Phase 2 support for IBM Power ISA 2.07<br>
|
||
323713 Support mmxext (integer sse) subset on i386 (athlon)<br>
|
||
323803 Transactional memory instructions are not supported for Power<br>
|
||
323893 SSE3 not available on amd cpus in valgrind<br>
|
||
323905 Probable false positive from Valgrind/drd on close()<br>
|
||
323912 valgrind.h header isn't compatible for mingw64<br>
|
||
324047 Valgrind doesn't support [LDR,ST]{S}[B,H]T ARM instructions<br>
|
||
324149 helgrind: When pthread_cond_timedwait returns ETIMEDOUT [..]<br>
|
||
324181 mmap does not handle MAP_32BIT<br>
|
||
324227 memcheck false positive leak when a thread calls exit+block [..]<br>
|
||
324421 Support for fanotify API on ARM architecture<br>
|
||
324514 gdbserver monitor cmd output behaviour consistency [..]<br>
|
||
324518 ppc64: Emulation of dcbt instructions does not handle [..]<br>
|
||
324546 none/tests/ppc32 test_isa_2_07_part2 requests -m64<br>
|
||
324582 When access is made to freed memory, report both allocation [..]<br>
|
||
324594 Fix overflow computation for Power ISA 2.06 insns: mulldo/mulldo.<br>
|
||
324765 ppc64: illegal instruction when executing none/tests/ppc64/jm-misc<br>
|
||
324816 Incorrect VEX implementation for xscvspdp/xvcvspdp for SNaN inputs<br>
|
||
324834 Unhandled instructions in Microsoft C run-time for x86_64<br>
|
||
324894 Phase 3 support for IBM Power ISA 2.07<br>
|
||
326091 drd: Avoid false race reports from optimized strlen() impls<br>
|
||
326113 valgrind libvex hwcaps error on AMD64 <br>
|
||
n-i-bz Some wrong command line options could be ignored<br>
|
||
n-i-bz patch to allow fair-sched on android<br>
|
||
n-i-bz report error for vgdb snapshot requested before execution<br>
|
||
n-i-bz same as 303624 (fixed in 3.8.0), but for x86 android<br>
|
||
<br>
|
||
(3.9.0: 31 October 2013, vex r2796, valgrind r13708)<br>
|
||
<br>
|
||
<br>
|
||
<br>
|
||
Release 3.8.1 (19 September 2012)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
3.8.1 is a bug fix release. It fixes some assertion failures in 3.8.0<br>
|
||
that occur moderately frequently in real use cases, adds support for<br>
|
||
some missing instructions on ARM, and fixes a deadlock condition on<br>
|
||
MacOSX. If you package or deliver 3.8.0 for others to use, you might<br>
|
||
want to consider upgrading to 3.8.1 instead.<br>
|
||
<br>
|
||
The following bugs have been fixed or resolved. Note that "n-i-bz"<br>
|
||
stands for "not in bugzilla" -- that is, a bug that was reported to us<br>
|
||
but never got a bugzilla entry. We encourage you to file bugs in<br>
|
||
bugzilla (https://bugs.kde.org/enter_bug.cgi?product=valgrind) rather<br>
|
||
than mailing the developers (or mailing lists) directly -- bugs that<br>
|
||
are not entered into bugzilla tend to get forgotten about or ignored.<br>
|
||
<br>
|
||
To see details of a given bug, visit<br>
|
||
https://bugs.kde.org/show_bug.cgi?id=XXXXXX<br>
|
||
where XXXXXX is the bug number as listed below.<br>
|
||
<br>
|
||
284004 == 301281<br>
|
||
289584 Unhandled instruction: 0xF 0x29 0xE5 (MOVAPS)<br>
|
||
295808 amd64->IR: 0xF3 0xF 0xBC 0xC0 (TZCNT)<br>
|
||
298281 wcslen causes false(?) uninitialised value warnings<br>
|
||
301281 valgrind hangs on OS X when the process calls system()<br>
|
||
304035 disInstr(arm): unhandled instruction 0xE1023053<br>
|
||
304867 implement MOVBE instruction in x86 mode<br>
|
||
304980 Assertion 'lo <= hi' failed in vgModuleLocal_find_rx_mapping<br>
|
||
305042 amd64: implement 0F 7F encoding of movq between two registers<br>
|
||
305199 ARM: implement QDADD and QDSUB<br>
|
||
305321 amd64->IR: 0xF 0xD 0xC (prefetchw)<br>
|
||
305513 killed by fatal signal: SIGSEGV<br>
|
||
305690 DRD reporting invalid semaphore when sem_trywait fails<br>
|
||
305926 Invalid alignment checks for some AVX instructions<br>
|
||
306297 disInstr(thumb): unhandled instruction 0xE883 0x000C<br>
|
||
306310 3.8.0 release tarball missing some files<br>
|
||
306612 RHEL 6 glibc-2.X default suppressions need /lib*/libc-*patterns<br>
|
||
306664 vex amd64->IR: 0x66 0xF 0x3A 0x62 0xD1 0x46 0x66 0xF<br>
|
||
n-i-bz shmat of a segment > 4Gb does not work <br>
|
||
n-i-bz simulate_control_c script wrong USR1 signal number on mips<br>
|
||
n-i-bz vgdb ptrace calls wrong on mips [...]<br>
|
||
n-i-bz Fixes for more MPI false positives<br>
|
||
n-i-bz exp-sgcheck's memcpy causes programs to segfault<br>
|
||
n-i-bz OSX build w/ clang: asserts at startup<br>
|
||
n-i-bz Incorrect undef'dness prop for Iop_DPBtoBCD and Iop_BCDtoDPB<br>
|
||
n-i-bz fix a couple of union tag-vs-field mixups<br>
|
||
n-i-bz OSX: use __NR_poll_nocancel rather than __NR_poll<br>
|
||
<br>
|
||
The following bugs were fixed in 3.8.0 but not listed in this NEWS<br>
|
||
file at the time:<br>
|
||
<br>
|
||
254088 Valgrind should know about UD2 instruction<br>
|
||
301280 == 254088<br>
|
||
301902 == 254088<br>
|
||
304754 NEWS blows TeX's little mind<br>
|
||
<br>
|
||
(3.8.1: 19 September 2012, vex r2537, valgrind r12996)<br>
|
||
<br>
|
||
<br>
|
||
<br>
|
||
Release 3.8.0 (10 August 2012)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
3.8.0 is a feature release with many improvements and the usual<br>
|
||
collection of bug fixes.<br>
|
||
<br>
|
||
This release supports X86/Linux, AMD64/Linux, ARM/Linux, PPC32/Linux,<br>
|
||
PPC64/Linux, S390X/Linux, MIPS/Linux, ARM/Android, X86/Android,<br>
|
||
X86/MacOSX 10.6/10.7 and AMD64/MacOSX 10.6/10.7. Support for recent<br>
|
||
distros and toolchain components (glibc 2.16, gcc 4.7) has been added.<br>
|
||
There is initial support for MacOSX 10.8, but it is not usable for<br>
|
||
serious work at present.<br>
|
||
<br>
|
||
* ================== PLATFORM CHANGES =================<br>
|
||
<br>
|
||
* Support for MIPS32 platforms running Linux. Valgrind has been<br>
|
||
tested on MIPS32 and MIPS32r2 platforms running different Debian<br>
|
||
Squeeze and MeeGo distributions. Both little-endian and big-endian<br>
|
||
cores are supported. The tools Memcheck, Massif and Lackey have<br>
|
||
been tested and are known to work. See README.mips for more details.<br>
|
||
<br>
|
||
* Preliminary support for Android running on x86.<br>
|
||
<br>
|
||
* Preliminary (as-yet largely unusable) support for MacOSX 10.8.<br>
|
||
<br>
|
||
* Support for Intel AVX instructions and for AES instructions. This<br>
|
||
support is available only for 64 bit code.<br>
|
||
<br>
|
||
* Support for POWER Decimal Floating Point instructions.<br>
|
||
<br>
|
||
* ==================== TOOL CHANGES ====================<br>
|
||
<br>
|
||
* Non-libc malloc implementations are now supported. This is useful<br>
|
||
for tools that replace malloc (Memcheck, Massif, DRD, Helgrind).<br>
|
||
Using the new option --soname-synonyms, such tools can be informed<br>
|
||
that the malloc implementation is either linked statically into the<br>
|
||
executable, or is present in some other shared library different<br>
|
||
from libc.so. This makes it possible to process statically linked<br>
|
||
programs, and programs using other malloc libraries, for example<br>
|
||
TCMalloc or JEMalloc.<br>
|
||
<br>
|
||
* For tools that provide their own replacement for malloc et al, the<br>
|
||
option --redzone-size=<number> allows users to specify the size of<br>
|
||
the padding blocks (redzones) added before and after each client<br>
|
||
allocated block. Smaller redzones decrease the memory needed by<br>
|
||
Valgrind. Bigger redzones increase the chance to detect blocks<br>
|
||
overrun or underrun. Prior to this change, the redzone size was<br>
|
||
hardwired to 16 bytes in Memcheck.<br>
|
||
<br>
|
||
* Memcheck:<br>
|
||
<br>
|
||
- The leak_check GDB server monitor command now can<br>
|
||
control the maximum nr of loss records to output.<br>
|
||
<br>
|
||
- Reduction of memory use for applications allocating<br>
|
||
many blocks and/or having many partially defined bytes.<br>
|
||
<br>
|
||
- Addition of GDB server monitor command 'block_list' that lists<br>
|
||
the addresses/sizes of the blocks of a leak search loss record.<br>
|
||
<br>
|
||
- Addition of GDB server monitor command 'who_points_at' that lists<br>
|
||
the locations pointing at a block.<br>
|
||
<br>
|
||
- If a redzone size > 0 is given, VALGRIND_MALLOCLIKE_BLOCK now will<br>
|
||
detect an invalid access of these redzones, by marking them<br>
|
||
noaccess. Similarly, if a redzone size is given for a memory<br>
|
||
pool, VALGRIND_MEMPOOL_ALLOC will mark the redzones no access.<br>
|
||
This still allows to find some bugs if the user has forgotten to<br>
|
||
mark the pool superblock noaccess.<br>
|
||
<br>
|
||
- Performance of memory leak check has been improved, especially in<br>
|
||
cases where there are many leaked blocks and/or many suppression<br>
|
||
rules used to suppress leak reports.<br>
|
||
<br>
|
||
- Reduced noise (false positive) level on MacOSX 10.6/10.7, due to<br>
|
||
more precise analysis, which is important for LLVM/Clang<br>
|
||
generated code. This is at the cost of somewhat reduced<br>
|
||
performance. Note there is no change to analysis precision or<br>
|
||
costs on Linux targets.<br>
|
||
<br>
|
||
* DRD:<br>
|
||
<br>
|
||
- Added even more facilities that can help finding the cause of a data<br>
|
||
race, namely the command-line option --ptrace-addr and the macro<br>
|
||
DRD_STOP_TRACING_VAR(x). More information can be found in the manual.<br>
|
||
<br>
|
||
- Fixed a subtle bug that could cause false positive data race reports.<br>
|
||
<br>
|
||
* ==================== OTHER CHANGES ====================<br>
|
||
<br>
|
||
* The C++ demangler has been updated so as to work well with C++ <br>
|
||
compiled by up to at least g++ 4.6.<br>
|
||
<br>
|
||
* Tool developers can make replacement/wrapping more flexible thanks<br>
|
||
to the new option --soname-synonyms. This was reported above, but<br>
|
||
in fact is very general and applies to all function<br>
|
||
replacement/wrapping, not just to malloc-family functions.<br>
|
||
<br>
|
||
* Round-robin scheduling of threads can be selected, using the new<br>
|
||
option --fair-sched= yes. Prior to this change, the pipe-based<br>
|
||
thread serialisation mechanism (which is still the default) could<br>
|
||
give very unfair scheduling. --fair-sched=yes improves<br>
|
||
responsiveness of interactive multithreaded applications, and<br>
|
||
improves repeatability of results from the thread checkers Helgrind<br>
|
||
and DRD.<br>
|
||
<br>
|
||
* For tool developers: support to run Valgrind on Valgrind has been<br>
|
||
improved. We can now routinely Valgrind on Helgrind or Memcheck.<br>
|
||
<br>
|
||
* gdbserver now shows the float shadow registers as integer<br>
|
||
rather than float values, as the shadow values are mostly<br>
|
||
used as bit patterns.<br>
|
||
<br>
|
||
* Increased limit for the --num-callers command line flag to 500.<br>
|
||
<br>
|
||
* Performance improvements for error matching when there are many<br>
|
||
suppression records in use.<br>
|
||
<br>
|
||
* Improved support for DWARF4 debugging information (bug 284184).<br>
|
||
<br>
|
||
* Initial support for DWZ compressed Dwarf debug info.<br>
|
||
<br>
|
||
* Improved control over the IR optimiser's handling of the tradeoff<br>
|
||
between performance and precision of exceptions. Specifically,<br>
|
||
--vex-iropt-precise-memory-exns has been removed and replaced by<br>
|
||
--vex-iropt-register-updates, with extended functionality. This<br>
|
||
allows the Valgrind gdbserver to always show up to date register<br>
|
||
values to GDB.<br>
|
||
<br>
|
||
* Modest performance gains through the use of translation chaining for<br>
|
||
JIT-generated code.<br>
|
||
<br>
|
||
* ==================== FIXED BUGS ====================<br>
|
||
<br>
|
||
The following bugs have been fixed or resolved. Note that "n-i-bz"<br>
|
||
stands for "not in bugzilla" -- that is, a bug that was reported to us<br>
|
||
but never got a bugzilla entry. We encourage you to file bugs in<br>
|
||
bugzilla (https://bugs.kde.org/enter_bug.cgi?product=valgrind) rather<br>
|
||
than mailing the developers (or mailing lists) directly -- bugs that<br>
|
||
are not entered into bugzilla tend to get forgotten about or ignored.<br>
|
||
<br>
|
||
To see details of a given bug, visit<br>
|
||
https://bugs.kde.org/show_bug.cgi?id=XXXXXX<br>
|
||
where XXXXXX is the bug number as listed below.<br>
|
||
<br>
|
||
197914 Building valgrind from svn now requires automake-1.10<br>
|
||
203877 increase to 16Mb maximum allowed alignment for memalign et al<br>
|
||
219156 Handle statically linked malloc or other malloc lib (e.g. tcmalloc) <br>
|
||
247386 make perf does not run all performance tests<br>
|
||
270006 Valgrind scheduler unfair <br>
|
||
270777 Adding MIPS/Linux port to Valgrind<br>
|
||
270796 s390x: Removed broken support for the TS insn<br>
|
||
271438 Fix configure for proper SSE4.2 detection<br>
|
||
273114 s390x: Support TR, TRE, TROO, TROT, TRTO, and TRTT instructions<br>
|
||
273475 Add support for AVX instructions<br>
|
||
274078 improved configure logic for mpicc<br>
|
||
276993 fix mremap 'no thrash checks' <br>
|
||
278313 Fedora 15/x64: err read debug info with --read-var-info=yes flag<br>
|
||
281482 memcheck incorrect byte allocation count in realloc() for silly argument<br>
|
||
282230 group allocator for small fixed size, use it for MC_Chunk/SEc vbit<br>
|
||
283413 Fix wrong sanity check<br>
|
||
283671 Robustize alignment computation in LibVEX_Alloc<br>
|
||
283961 Adding support for some HCI IOCTLs<br>
|
||
284124 parse_type_DIE: confused by: DWARF 4<br>
|
||
284864 == 273475 (Add support for AVX instructions)<br>
|
||
285219 Too-restrictive constraints for Thumb2 "SP plus/minus register"<br>
|
||
285662 (MacOSX): Memcheck needs to replace memcpy/memmove<br>
|
||
285725 == 273475 (Add support for AVX instructions)<br>
|
||
286261 add wrapper for linux I2C_RDWR ioctl<br>
|
||
286270 vgpreload is not friendly to 64->32 bit execs, gives ld.so warnings<br>
|
||
286374 Running cachegrind with --branch-sim=yes on 64-bit PowerPC program fails<br>
|
||
286384 configure fails "checking for a supported version of gcc"<br>
|
||
286497 == 273475 (Add support for AVX instructions)<br>
|
||
286596 == 273475 (Add support for AVX instructions)<br>
|
||
286917 disInstr(arm): unhandled instruction: QADD (also QSUB)<br>
|
||
287175 ARM: scalar VFP fixed-point VCVT instructions not handled<br>
|
||
287260 Incorrect conditional jump or move depends on uninitialised value(s)<br>
|
||
287301 vex amd64->IR: 0x66 0xF 0x38 0x41 0xC0 0xB8 0x0 0x0 (PHMINPOSUW)<br>
|
||
287307 == 273475 (Add support for AVX instructions)<br>
|
||
287858 VG_(strerror): unknown error <br>
|
||
288298 (MacOSX) unhandled syscall shm_unlink<br>
|
||
288995 == 273475 (Add support for AVX instructions)<br>
|
||
289470 Loading of large Mach-O thin binaries fails.<br>
|
||
289656 == 273475 (Add support for AVX instructions)<br>
|
||
289699 vgdb connection in relay mode erroneously closed due to buffer overrun <br>
|
||
289823 == 293754 (PCMPxSTRx not implemented for 16-bit characters)<br>
|
||
289839 s390x: Provide support for unicode conversion instructions<br>
|
||
289939 monitor cmd 'leak_check' with details about leaked or reachable blocks<br>
|
||
290006 memcheck doesn't mark %xmm as initialized after "pcmpeqw %xmm %xmm"<br>
|
||
290655 Add support for AESKEYGENASSIST instruction <br>
|
||
290719 valgrind-3.7.0 fails with automake-1.11.2 due to"pkglibdir" usage<br>
|
||
290974 vgdb must align pages to VKI_SHMLBA (16KB) on ARM <br>
|
||
291253 ES register not initialised in valgrind simulation<br>
|
||
291568 Fix 3DNOW-related crashes with baseline x86_64 CPU (w patch)<br>
|
||
291865 s390x: Support the "Compare Double and Swap" family of instructions<br>
|
||
292300 == 273475 (Add support for AVX instructions)<br>
|
||
292430 unrecognized instruction in __intel_get_new_mem_ops_cpuid<br>
|
||
292493 == 273475 (Add support for AVX instructions)<br>
|
||
292626 Missing fcntl F_SETOWN_EX and F_GETOWN_EX support<br>
|
||
292627 Missing support for some SCSI ioctls<br>
|
||
292628 none/tests/x86/bug125959-x86.c triggers undefined behavior<br>
|
||
292841 == 273475 (Add support for AVX instructions)<br>
|
||
292993 implement the getcpu syscall on amd64-linux<br>
|
||
292995 Implement the “cross memory attach” syscalls introduced in Linux 3.2<br>
|
||
293088 Add some VEX sanity checks for ppc64 unhandled instructions<br>
|
||
293751 == 290655 (Add support for AESKEYGENASSIST instruction)<br>
|
||
293754 PCMPxSTRx not implemented for 16-bit characters<br>
|
||
293755 == 293754 (No tests for PCMPxSTRx on 16-bit characters)<br>
|
||
293808 CLFLUSH not supported by latest VEX for amd64<br>
|
||
294047 valgrind does not correctly emulate prlimit64(..., RLIMIT_NOFILE, ...)<br>
|
||
294048 MPSADBW instruction not implemented<br>
|
||
294055 regtest none/tests/shell fails when locale is not set to C<br>
|
||
294185 INT 0x44 (and others) not supported on x86 guest, but used by Jikes RVM<br>
|
||
294190 --vgdb-error=xxx can be out of sync with errors shown to the user<br>
|
||
294191 amd64: fnsave/frstor and 0x66 size prefixes on FP instructions<br>
|
||
294260 disInstr_AMD64: disInstr miscalculated next %rip<br>
|
||
294523 --partial-loads-ok=yes causes false negatives<br>
|
||
294617 vex amd64->IR: 0x66 0xF 0x3A 0xDF 0xD1 0x1 0xE8 0x6A<br>
|
||
294736 vex amd64->IR: 0x48 0xF 0xD7 0xD6 0x48 0x83<br>
|
||
294812 patch allowing to run (on x86 at least) helgrind/drd on tool.<br>
|
||
295089 can not annotate source for both helgrind and drd<br>
|
||
295221 POWER Processor decimal floating point instruction support missing<br>
|
||
295427 building for i386 with clang on darwin11 requires "-new_linker linker"<br>
|
||
295428 coregrind/m_main.c has incorrect x86 assembly for darwin<br>
|
||
295590 Helgrind: Assertion 'cvi->nWaiters > 0' failed<br>
|
||
295617 ARM - Add some missing syscalls<br>
|
||
295799 Missing \n with get_vbits in gdbserver when line is % 80 [...]<br>
|
||
296229 Linux user input device ioctls missing wrappers<br>
|
||
296318 ELF Debug info improvements (more than one rx/rw mapping)<br>
|
||
296422 Add translation chaining support<br>
|
||
296457 vex amd64->IR: 0x66 0xF 0x3A 0xDF 0xD1 0x1 0xE8 0x6A (dup of AES)<br>
|
||
296792 valgrind 3.7.0: add SIOCSHWTSTAMP (0x89B0) ioctl wrapper<br>
|
||
296983 Fix build issues on x86_64/ppc64 without 32-bit toolchains<br>
|
||
297078 gdbserver signal handling problems [..]<br>
|
||
297147 drd false positives on newly allocated memory<br>
|
||
297329 disallow decoding of IBM Power DFP insns on some machines<br>
|
||
297497 POWER Processor decimal floating point instruction support missing<br>
|
||
297701 Another alias for strncasecmp_l in libc-2.13.so<br>
|
||
297911 'invalid write' not reported when using APIs for custom mem allocators.<br>
|
||
297976 s390x: revisit EX implementation<br>
|
||
297991 Valgrind interferes with mmap()+ftell() <br>
|
||
297992 Support systems missing WIFCONTINUED (e.g. pre-2.6.10 Linux) <br>
|
||
297993 Fix compilation of valgrind with gcc -g3.<br>
|
||
298080 POWER Processor DFP support missing, part 3<br>
|
||
298227 == 273475 (Add support for AVX instructions)<br>
|
||
298335 == 273475 (Add support for AVX instructions)<br>
|
||
298354 Unhandled ARM Thumb instruction 0xEB0D 0x0585 (streq)<br>
|
||
298394 s390x: Don't bail out on an unknown machine model. [..]<br>
|
||
298421 accept4() syscall (366) support is missing for ARM<br>
|
||
298718 vex amd64->IR: 0xF 0xB1 0xCB 0x9C 0x8F 0x45<br>
|
||
298732 valgrind installation problem in ubuntu with kernel version 3.x<br>
|
||
298862 POWER Processor DFP instruction support missing, part 4<br>
|
||
298864 DWARF reader mis-parses DW_FORM_ref_addr<br>
|
||
298943 massif asserts with --pages-as-heap=yes when brk is changing [..]<br>
|
||
299053 Support DWARF4 DW_AT_high_pc constant form<br>
|
||
299104 == 273475 (Add support for AVX instructions)<br>
|
||
299316 Helgrind: hg_main.c:628 (map_threads_lookup): Assertion 'thr' failed.<br>
|
||
299629 dup3() syscall (358) support is missing for ARM<br>
|
||
299694 POWER Processor DFP instruction support missing, part 5<br>
|
||
299756 Ignore --free-fill for MEMPOOL_FREE and FREELIKE client requests<br>
|
||
299803 == 273475 (Add support for AVX instructions)<br>
|
||
299804 == 273475 (Add support for AVX instructions)<br>
|
||
299805 == 273475 (Add support for AVX instructions)<br>
|
||
300140 ARM - Missing (T1) SMMUL<br>
|
||
300195 == 296318 (ELF Debug info improvements (more than one rx/rw mapping))<br>
|
||
300389 Assertion `are_valid_hwcaps(VexArchAMD64, [..])' failed.<br>
|
||
300414 FCOM and FCOMP unimplemented for amd64 guest<br>
|
||
301204 infinite loop in canonicaliseSymtab with ifunc symbol<br>
|
||
301229 == 203877 (increase to 16Mb maximum allowed alignment for memalign etc)<br>
|
||
301265 add x86 support to Android build <br>
|
||
301984 configure script doesn't detect certain versions of clang<br>
|
||
302205 Fix compiler warnings for POWER VEX code and POWER test cases<br>
|
||
302287 Unhandled movbe instruction on Atom processors<br>
|
||
302370 PPC: fnmadd, fnmsub, fnmadds, fnmsubs insns always negate the result<br>
|
||
302536 Fix for the POWER Valgrind regression test: memcheck-ISA2.0.<br>
|
||
302578 Unrecognized isntruction 0xc5 0x32 0xc2 0xca 0x09 vcmpngess<br>
|
||
302656 == 273475 (Add support for AVX instructions)<br>
|
||
302709 valgrind for ARM needs extra tls support for android emulator [..]<br>
|
||
302827 add wrapper for CDROM_GET_CAPABILITY<br>
|
||
302901 Valgrind crashes with dwz optimized debuginfo<br>
|
||
302918 Enable testing of the vmaddfp and vnsubfp instructions in the testsuite<br>
|
||
303116 Add support for the POWER instruction popcntb<br>
|
||
303127 Power test suite fixes for frsqrte, vrefp, and vrsqrtefp instructions.<br>
|
||
303250 Assertion `instrs_in->arr_used <= 10000' failed w/ OpenSSL code<br>
|
||
303466 == 273475 (Add support for AVX instructions)<br>
|
||
303624 segmentation fault on Android 4.1 (e.g. on Galaxy Nexus OMAP) <br>
|
||
303963 strstr() function produces wrong results under valgrind callgrind<br>
|
||
304054 CALL_FN_xx macros need to enforce stack alignment<br>
|
||
304561 tee system call not supported<br>
|
||
715750 (MacOSX): Incorrect invalid-address errors near 0xFFFFxxxx (mozbug#)<br>
|
||
n-i-bz Add missing gdbserver xml files for shadow registers for ppc32<br>
|
||
n-i-bz Bypass gcc4.4/4.5 code gen bugs causing out of memory or asserts<br>
|
||
n-i-bz Fix assert in gdbserver for watchpoints watching the same address<br>
|
||
n-i-bz Fix false positive in sys_clone on amd64 when optional args [..]<br>
|
||
n-i-bz s390x: Shadow registers can now be examined using vgdb<br>
|
||
<br>
|
||
(3.8.0-TEST3: 9 August 2012, vex r2465, valgrind r12865)<br>
|
||
(3.8.0: 10 August 2012, vex r2465, valgrind r12866)<br>
|
||
<br>
|
||
<br>
|
||
<br>
|
||
Release 3.7.0 (5 November 2011)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
3.7.0 is a feature release with many significant improvements and the<br>
|
||
usual collection of bug fixes.<br>
|
||
<br>
|
||
This release supports X86/Linux, AMD64/Linux, ARM/Linux, PPC32/Linux,<br>
|
||
PPC64/Linux, S390X/Linux, ARM/Android, X86/Darwin and AMD64/Darwin.<br>
|
||
Support for recent distros and toolchain components (glibc 2.14, gcc<br>
|
||
4.6, MacOSX 10.7) has been added.<br>
|
||
<br>
|
||
* ================== PLATFORM CHANGES =================<br>
|
||
<br>
|
||
* Support for IBM z/Architecture (s390x) running Linux. Valgrind can<br>
|
||
analyse 64-bit programs running on z/Architecture. Most user space<br>
|
||
instructions up to and including z10 are supported. Valgrind has<br>
|
||
been tested extensively on z9, z10, and z196 machines running SLES<br>
|
||
10/11, RedHat 5/6m, and Fedora. The Memcheck and Massif tools are<br>
|
||
known to work well. Callgrind, Helgrind, and DRD work reasonably<br>
|
||
well on z9 and later models. See README.s390 for more details.<br>
|
||
<br>
|
||
* Preliminary support for MacOSX 10.7 and XCode 4. Both 32- and<br>
|
||
64-bit processes are supported. Some complex threaded applications<br>
|
||
(Firefox) are observed to hang when run as 32 bit applications,<br>
|
||
whereas 64-bit versions run OK. The cause is unknown. Memcheck<br>
|
||
will likely report some false errors. In general, expect some rough<br>
|
||
spots. This release also supports MacOSX 10.6, but drops support<br>
|
||
for 10.5.<br>
|
||
<br>
|
||
* Preliminary support for Android (on ARM). Valgrind can now run<br>
|
||
large applications (eg, Firefox) on (eg) a Samsung Nexus S. See<br>
|
||
README.android for more details, plus instructions on how to get<br>
|
||
started.<br>
|
||
<br>
|
||
* Support for the IBM Power ISA 2.06 (Power7 instructions)<br>
|
||
<br>
|
||
* General correctness and performance improvements for ARM/Linux, and,<br>
|
||
by extension, ARM/Android.<br>
|
||
<br>
|
||
* Further solidification of support for SSE 4.2 in 64-bit mode. AVX<br>
|
||
instruction set support is under development but is not available in<br>
|
||
this release.<br>
|
||
<br>
|
||
* Support for AIX5 has been removed.<br>
|
||
<br>
|
||
* ==================== TOOL CHANGES ====================<br>
|
||
<br>
|
||
* Memcheck: some incremental changes:<br>
|
||
<br>
|
||
- reduction of memory use in some circumstances<br>
|
||
<br>
|
||
- improved handling of freed memory, which in some circumstances <br>
|
||
can cause detection of use-after-free that would previously have<br>
|
||
been missed<br>
|
||
<br>
|
||
- fix of a longstanding bug that could cause false negatives (missed<br>
|
||
errors) in programs doing vector saturated narrowing instructions.<br>
|
||
<br>
|
||
* Helgrind: performance improvements and major memory use reductions,<br>
|
||
particularly for large, long running applications which perform many<br>
|
||
synchronisation (lock, unlock, etc) events. Plus many smaller<br>
|
||
changes:<br>
|
||
<br>
|
||
- display of locksets for both threads involved in a race<br>
|
||
<br>
|
||
- general improvements in formatting/clarity of error messages<br>
|
||
<br>
|
||
- addition of facilities and documentation regarding annotation<br>
|
||
of thread safe reference counted C++ classes<br>
|
||
<br>
|
||
- new flag --check-stack-refs=no|yes [yes], to disable race checking<br>
|
||
on thread stacks (a performance hack)<br>
|
||
<br>
|
||
- new flag --free-is-write=no|yes [no], to enable detection of races<br>
|
||
where one thread accesses heap memory but another one frees it,<br>
|
||
without any coordinating synchronisation event<br>
|
||
<br>
|
||
* DRD: enabled XML output; added support for delayed thread deletion<br>
|
||
in order to detect races that occur close to the end of a thread<br>
|
||
(--join-list-vol); fixed a memory leak triggered by repeated client<br>
|
||
memory allocatation and deallocation; improved Darwin support.<br>
|
||
<br>
|
||
* exp-ptrcheck: this tool has been renamed to exp-sgcheck<br>
|
||
<br>
|
||
* exp-sgcheck: this tool has been reduced in scope so as to improve<br>
|
||
performance and remove checking that Memcheck does better.<br>
|
||
Specifically, the ability to check for overruns for stack and global<br>
|
||
arrays is unchanged, but the ability to check for overruns of heap<br>
|
||
blocks has been removed. The tool has accordingly been renamed to<br>
|
||
exp-sgcheck ("Stack and Global Array Checking").<br>
|
||
<br>
|
||
* ==================== OTHER CHANGES ====================<br>
|
||
<br>
|
||
* GDB server: Valgrind now has an embedded GDB server. That means it<br>
|
||
is possible to control a Valgrind run from GDB, doing all the usual<br>
|
||
things that GDB can do (single stepping, breakpoints, examining<br>
|
||
data, etc). Tool-specific functionality is also available. For<br>
|
||
example, it is possible to query the definedness state of variables<br>
|
||
or memory from within GDB when running Memcheck; arbitrarily large<br>
|
||
memory watchpoints are supported, etc. To use the GDB server, start<br>
|
||
Valgrind with the flag --vgdb-error=0 and follow the on-screen<br>
|
||
instructions.<br>
|
||
<br>
|
||
* Improved support for unfriendly self-modifying code: a new option<br>
|
||
--smc-check=all-non-file is available. This adds the relevant<br>
|
||
consistency checks only to code that originates in non-file-backed<br>
|
||
mappings. In effect this confines the consistency checking only to<br>
|
||
code that is or might be JIT generated, and avoids checks on code<br>
|
||
that must have been compiled ahead of time. This significantly<br>
|
||
improves performance on applications that generate code at run time.<br>
|
||
<br>
|
||
* It is now possible to build a working Valgrind using Clang-2.9 on<br>
|
||
Linux.<br>
|
||
<br>
|
||
* new client requests VALGRIND_{DISABLE,ENABLE}_ERROR_REPORTING.<br>
|
||
These enable and disable error reporting on a per-thread, and<br>
|
||
nestable, basis. This is useful for hiding errors in particularly<br>
|
||
troublesome pieces of code. The MPI wrapper library (libmpiwrap.c)<br>
|
||
now uses this facility.<br>
|
||
<br>
|
||
* Added the --mod-funcname option to cg_diff.<br>
|
||
<br>
|
||
* ==================== FIXED BUGS ====================<br>
|
||
<br>
|
||
The following bugs have been fixed or resolved. Note that "n-i-bz"<br>
|
||
stands for "not in bugzilla" -- that is, a bug that was reported to us<br>
|
||
but never got a bugzilla entry. We encourage you to file bugs in<br>
|
||
bugzilla (http://bugs.kde.org/enter_valgrind_bug.cgi) rather than<br>
|
||
mailing the developers (or mailing lists) directly -- bugs that are<br>
|
||
not entered into bugzilla tend to get forgotten about or ignored.<br>
|
||
<br>
|
||
To see details of a given bug, visit<br>
|
||
https://bugs.kde.org/show_bug.cgi?id=XXXXXX<br>
|
||
where XXXXXX is the bug number as listed below.<br>
|
||
<br>
|
||
79311 malloc silly arg warning does not give stack trace<br>
|
||
210935 port valgrind.h (not valgrind) to win32 to support client requests<br>
|
||
214223 valgrind SIGSEGV on startup gcc 4.4.1 ppc32 (G4) Ubuntu 9.10<br>
|
||
243404 Port to zSeries<br>
|
||
243935 Helgrind: incorrect handling of ANNOTATE_HAPPENS_BEFORE()/AFTER()<br>
|
||
247223 non-x86: Suppress warning: 'regparm' attribute directive ignored<br>
|
||
250101 huge "free" memory usage due to m_mallocfree.c fragmentation<br>
|
||
253206 Some fixes for the faultstatus testcase<br>
|
||
255223 capget testcase fails when running as root<br>
|
||
256703 xlc_dbl_u32.c testcase broken<br>
|
||
256726 Helgrind tests have broken inline asm <br>
|
||
259977 == 214223 (Valgrind segfaults doing __builtin_longjmp)<br>
|
||
264800 testcase compile failure on zseries<br>
|
||
265762 make public VEX headers compilable by G++ 3.x<br>
|
||
265771 assertion in jumps.c (r11523) fails with glibc-2.3<br>
|
||
266753 configure script does not give the user the option to not use QtCore<br>
|
||
266931 gen_insn_test.pl is broken<br>
|
||
266961 ld-linux.so.2 i?86-linux strlen issues<br>
|
||
266990 setns instruction causes false positive<br>
|
||
267020 Make directory for temporary files configurable at run-time.<br>
|
||
267342 == 267997 (segmentation fault on Mac OS 10.6)<br>
|
||
267383 Assertion 'vgPlain_strlen(dir) + vgPlain_strlen(file) + 1 < 256' failed<br>
|
||
267413 Assertion 'DRD_(g_threadinfo)[tid].synchr_nesting >= 1' failed.<br>
|
||
267488 regtest: darwin support for 64-bit build<br>
|
||
267552 SIGSEGV (misaligned_stack_error) with DRD, but not with other tools<br>
|
||
267630 Add support for IBM Power ISA 2.06 -- stage 1<br>
|
||
267769 == 267997 (Darwin: memcheck triggers segmentation fault)<br>
|
||
267819 Add client request for informing the core about reallocation<br>
|
||
267925 laog data structure quadratic for a single sequence of lock<br>
|
||
267968 drd: (vgDrd_thread_set_joinable): Assertion '0 <= (int)tid ..' failed<br>
|
||
267997 MacOSX: 64-bit V segfaults on launch when built with Xcode 4.0.1<br>
|
||
268513 missed optimizations in fold_Expr<br>
|
||
268619 s390x: fpr - gpr transfer facility <br>
|
||
268620 s390x: reconsider "long displacement" requirement <br>
|
||
268621 s390x: improve IR generation for XC<br>
|
||
268715 s390x: FLOGR is not universally available<br>
|
||
268792 == 267997 (valgrind seg faults on startup when compiled with Xcode 4)<br>
|
||
268930 s390x: MHY is not universally available<br>
|
||
269078 arm->IR: unhandled instruction SUB (SP minus immediate/register) <br>
|
||
269079 Support ptrace system call on ARM<br>
|
||
269144 missing "Bad option" error message<br>
|
||
269209 conditional load and store facility (z196)<br>
|
||
269354 Shift by zero on x86 can incorrectly clobber CC_NDEP<br>
|
||
269641 == 267997 (valgrind segfaults immediately (segmentation fault))<br>
|
||
269736 s390x: minor code generation tweaks<br>
|
||
269778 == 272986 (valgrind.h: swap roles of VALGRIND_DO_CLIENT_REQUEST() ..)<br>
|
||
269863 s390x: remove unused function parameters<br>
|
||
269864 s390x: tweak s390_emit_load_cc <br>
|
||
269884 == 250101 (overhead for huge blocks exhausts space too soon)<br>
|
||
270082 s390x: Make sure to point the PSW address to the next address on SIGILL<br>
|
||
270115 s390x: rewrite some testcases<br>
|
||
270309 == 267997 (valgrind crash on startup)<br>
|
||
270320 add support for Linux FIOQSIZE ioctl() call<br>
|
||
270326 segfault while trying to sanitize the environment passed to execle<br>
|
||
270794 IBM POWER7 support patch causes regression in none/tests<br>
|
||
270851 IBM POWER7 fcfidus instruction causes memcheck to fail<br>
|
||
270856 IBM POWER7 xsnmaddadp instruction causes memcheck to fail on 32bit app <br>
|
||
270925 hyper-optimized strspn() in /lib64/libc-2.13.so needs fix<br>
|
||
270959 s390x: invalid use of R0 as base register<br>
|
||
271042 VSX configure check fails when it should not <br>
|
||
271043 Valgrind build fails with assembler error on ppc64 with binutils 2.21 <br>
|
||
271259 s390x: fix code confusion <br>
|
||
271337 == 267997 (Valgrind segfaults on MacOS X)<br>
|
||
271385 s390x: Implement Ist_MBE <br>
|
||
271501 s390x: misc cleanups <br>
|
||
271504 s390x: promote likely and unlikely <br>
|
||
271579 ppc: using wrong enum type <br>
|
||
271615 unhandled instruction "popcnt" (arch=amd10h) <br>
|
||
271730 Fix bug when checking ioctls: duplicate check <br>
|
||
271776 s390x: provide STFLE instruction support <br>
|
||
271779 s390x: provide clock instructions like STCK <br>
|
||
271799 Darwin: ioctls without an arg report a memory error <br>
|
||
271820 arm: fix type confusion <br>
|
||
271917 pthread_cond_timedwait failure leads to not-locked false positive <br>
|
||
272067 s390x: fix DISP20 macro <br>
|
||
272615 A typo in debug output in mc_leakcheck.c<br>
|
||
272661 callgrind_annotate chokes when run from paths containing regex chars<br>
|
||
272893 amd64->IR: 0x66 0xF 0x38 0x2B 0xC1 0x66 0xF 0x7F == (closed as dup)<br>
|
||
272955 Unhandled syscall error for pwrite64 on ppc64 arch <br>
|
||
272967 make documentation build-system more robust <br>
|
||
272986 Fix gcc-4.6 warnings with valgrind.h<br>
|
||
273318 amd64->IR: 0x66 0xF 0x3A 0x61 0xC1 0x38 (missing PCMPxSTRx case)<br>
|
||
273318 unhandled PCMPxSTRx case: vex amd64->IR: 0x66 0xF 0x3A 0x61 0xC1 0x38 <br>
|
||
273431 valgrind segfaults in evalCfiExpr (debuginfo.c:2039)<br>
|
||
273465 Callgrind: jumps.c:164 (new_jcc): Assertion '(0 <= jmp) && ...'<br>
|
||
273536 Build error: multiple definition of `vgDrd_pthread_cond_initializer'<br>
|
||
273640 ppc64-linux: unhandled syscalls setresuid(164) and setresgid(169)<br>
|
||
273729 == 283000 (Illegal opcode for SSE2 "roundsd" instruction)<br>
|
||
273778 exp-ptrcheck: unhandled sysno == 259<br>
|
||
274089 exp-ptrcheck: unhandled sysno == 208<br>
|
||
274378 s390x: Various dispatcher tweaks<br>
|
||
274447 WARNING: unhandled syscall: 340<br>
|
||
274776 amd64->IR: 0x66 0xF 0x38 0x2B 0xC5 0x66<br>
|
||
274784 == 267997 (valgrind ls -l results in Segmentation Fault)<br>
|
||
274926 valgrind does not build against linux-3<br>
|
||
275148 configure FAIL with glibc-2.14<br>
|
||
275151 Fedora 15 / glibc-2.14 'make regtest' FAIL<br>
|
||
275168 Make Valgrind work for MacOSX 10.7 Lion<br>
|
||
275212 == 275284 (lots of false positives from __memcpy_ssse3_back et al)<br>
|
||
275278 valgrind does not build on Linux kernel 3.0.* due to silly<br>
|
||
275284 Valgrind memcpy/memmove redirection stopped working in glibc 2.14/x86_64<br>
|
||
275308 Fix implementation for ppc64 fres instruc<br>
|
||
275339 s390x: fix testcase compile warnings<br>
|
||
275517 s390x: Provide support for CKSM instruction<br>
|
||
275710 s390x: get rid of redundant address mode calculation<br>
|
||
275815 == 247894 (Valgrind doesn't know about Linux readahead(2) syscall)<br>
|
||
275852 == 250101 (valgrind uses all swap space and is killed)<br>
|
||
276784 Add support for IBM Power ISA 2.06 -- stage 3<br>
|
||
276987 gdbsrv: fix tests following recent commits<br>
|
||
277045 Valgrind crashes with unhandled DW_OP_ opcode 0x2a<br>
|
||
277199 The test_isa_2_06_part1.c in none/tests/ppc64 should be a symlink<br>
|
||
277471 Unhandled syscall: 340<br>
|
||
277610 valgrind crashes in VG_(lseek)(core_fd, phdrs[idx].p_offset, ...)<br>
|
||
277653 ARM: support Thumb2 PLD instruction<br>
|
||
277663 ARM: NEON float VMUL by scalar incorrect<br>
|
||
277689 ARM: tests for VSTn with register post-index are broken<br>
|
||
277694 ARM: BLX LR instruction broken in ARM mode<br>
|
||
277780 ARM: VMOV.F32 (immediate) instruction is broken<br>
|
||
278057 fuse filesystem syscall deadlocks<br>
|
||
278078 Unimplemented syscall 280 on ppc32<br>
|
||
278349 F_GETPIPE_SZ and F_SETPIPE_SZ Linux fcntl commands<br>
|
||
278454 VALGRIND_STACK_DEREGISTER has wrong output type<br>
|
||
278502 == 275284 (Valgrind confuses memcpy() and memmove())<br>
|
||
278892 gdbsrv: factorize gdb version handling, fix doc and typos<br>
|
||
279027 Support for MVCL and CLCL instruction<br>
|
||
279027 s390x: Provide support for CLCL and MVCL instructions<br>
|
||
279062 Remove a redundant check in the insn selector for ppc.<br>
|
||
279071 JDK creates PTEST with redundant REX.W prefix<br>
|
||
279212 gdbsrv: add monitor cmd v.info scheduler.<br>
|
||
279378 exp-ptrcheck: the 'impossible' happened on mkfifo call<br>
|
||
279698 memcheck discards valid-bits for packuswb<br>
|
||
279795 memcheck reports uninitialised values for mincore on amd64<br>
|
||
279994 Add support for IBM Power ISA 2.06 -- stage 3<br>
|
||
280083 mempolicy syscall check errors<br>
|
||
280290 vex amd64->IR: 0x66 0xF 0x38 0x28 0xC1 0x66 0xF 0x6F<br>
|
||
280710 s390x: config files for nightly builds<br>
|
||
280757 /tmp dir still used by valgrind even if TMPDIR is specified<br>
|
||
280965 Valgrind breaks fcntl locks when program does mmap<br>
|
||
281138 WARNING: unhandled syscall: 340<br>
|
||
281241 == 275168 (valgrind useless on Macos 10.7.1 Lion)<br>
|
||
281304 == 275168 (Darwin: dyld "cannot load inserted library")<br>
|
||
281305 == 275168 (unhandled syscall: unix:357 on Darwin 11.1)<br>
|
||
281468 s390x: handle do_clone and gcc clones in call traces<br>
|
||
281488 ARM: VFP register corruption<br>
|
||
281828 == 275284 (false memmove warning: "Source and destination overlap")<br>
|
||
281883 s390x: Fix system call wrapper for "clone".<br>
|
||
282105 generalise 'reclaimSuperBlock' to also reclaim splittable superblock<br>
|
||
282112 Unhandled instruction bytes: 0xDE 0xD9 0x9B 0xDF (fcompp)<br>
|
||
282238 SLES10: make check fails<br>
|
||
282979 strcasestr needs replacement with recent(>=2.12) glibc<br>
|
||
283000 vex amd64->IR: 0x66 0xF 0x3A 0xA 0xC0 0x9 0xF3 0xF<br>
|
||
283243 Regression in ppc64 memcheck tests<br>
|
||
283325 == 267997 (Darwin: V segfaults on startup when built with Xcode 4.0)<br>
|
||
283427 re-connect epoll_pwait syscall on ARM linux<br>
|
||
283600 gdbsrv: android: port vgdb.c<br>
|
||
283709 none/tests/faultstatus needs to account for page size<br>
|
||
284305 filter_gdb needs enhancement to work on ppc64<br>
|
||
284384 clang 3.1 -Wunused-value warnings in valgrind.h, memcheck.h<br>
|
||
284472 Thumb2 ROR.W encoding T2 not implemented<br>
|
||
284621 XML-escape process command line in XML output<br>
|
||
n-i-bz cachegrind/callgrind: handle CPUID information for Core iX Intel CPUs<br>
|
||
that have non-power-of-2 sizes (also AMDs)<br>
|
||
n-i-bz don't be spooked by libraries mashed by elfhack<br>
|
||
n-i-bz don't be spooked by libxul.so linked with gold<br>
|
||
n-i-bz improved checking for VALGRIND_CHECK_MEM_IS_DEFINED<br>
|
||
<br>
|
||
(3.7.0-TEST1: 27 October 2011, vex r2228, valgrind r12245)<br>
|
||
(3.7.0.RC1: 1 November 2011, vex r2231, valgrind r12257)<br>
|
||
(3.7.0: 5 November 2011, vex r2231, valgrind r12258)<br>
|
||
<br>
|
||
<br>
|
||
<br>
|
||
Release 3.6.1 (16 February 2011)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
3.6.1 is a bug fix release. It adds support for some SSE4<br>
|
||
instructions that were omitted in 3.6.0 due to lack of time. Initial<br>
|
||
support for glibc-2.13 has been added. A number of bugs causing<br>
|
||
crashing or assertion failures have been fixed.<br>
|
||
<br>
|
||
The following bugs have been fixed or resolved. Note that "n-i-bz"<br>
|
||
stands for "not in bugzilla" -- that is, a bug that was reported to us<br>
|
||
but never got a bugzilla entry. We encourage you to file bugs in<br>
|
||
bugzilla (http://bugs.kde.org/enter_valgrind_bug.cgi) rather than<br>
|
||
mailing the developers (or mailing lists) directly -- bugs that are<br>
|
||
not entered into bugzilla tend to get forgotten about or ignored.<br>
|
||
<br>
|
||
To see details of a given bug, visit<br>
|
||
https://bugs.kde.org/show_bug.cgi?id=XXXXXX<br>
|
||
where XXXXXX is the bug number as listed below.<br>
|
||
<br>
|
||
188572 Valgrind on Mac should suppress setenv() mem leak<br>
|
||
194402 vex amd64->IR: 0x48 0xF 0xAE 0x4 (proper FX{SAVE,RSTOR} support)<br>
|
||
210481 vex amd64->IR: Assertion `sz == 2 || sz == 4' failed (REX.W POPQ)<br>
|
||
246152 callgrind internal error after pthread_cancel on 32 Bit Linux<br>
|
||
250038 ppc64: Altivec LVSR and LVSL instructions fail their regtest<br>
|
||
254420 memory pool tracking broken <br>
|
||
254957 Test code failing to compile due to changes in memcheck.h<br>
|
||
255009 helgrind/drd: crash on chmod with invalid parameter<br>
|
||
255130 readdwarf3.c parse_type_DIE confused by GNAT Ada types<br>
|
||
255355 helgrind/drd: crash on threaded programs doing fork<br>
|
||
255358 == 255355<br>
|
||
255418 (SSE4.x) rint call compiled with ICC<br>
|
||
255822 --gen-suppressions can create invalid files: "too many callers [...]"<br>
|
||
255888 closing valgrindoutput tag outputted to log-stream on error<br>
|
||
255963 (SSE4.x) vex amd64->IR: 0x66 0xF 0x3A 0x9 0xDB 0x0 (ROUNDPD)<br>
|
||
255966 Slowness when using mempool annotations<br>
|
||
256387 vex x86->IR: 0xD4 0xA 0x2 0x7 (AAD and AAM)<br>
|
||
256600 super-optimized strcasecmp() false positive<br>
|
||
256669 vex amd64->IR: Unhandled LOOPNEL insn on amd64<br>
|
||
256968 (SSE4.x) vex amd64->IR: 0x66 0xF 0x38 0x10 0xD3 0x66 (BLENDVPx)<br>
|
||
257011 (SSE4.x) vex amd64->IR: 0x66 0xF 0x3A 0xE 0xFD 0xA0 (PBLENDW)<br>
|
||
257063 (SSE4.x) vex amd64->IR: 0x66 0xF 0x3A 0x8 0xC0 0x0 (ROUNDPS)<br>
|
||
257276 Missing case in memcheck --track-origins=yes<br>
|
||
258870 (SSE4.x) Add support for EXTRACTPS SSE 4.1 instruction<br>
|
||
261966 (SSE4.x) support for CRC32B and CRC32Q is lacking (also CRC32{W,L})<br>
|
||
262985 VEX regression in valgrind 3.6.0 in handling PowerPC VMX<br>
|
||
262995 (SSE4.x) crash when trying to valgrind gcc-snapshot (PCMPxSTRx $0)<br>
|
||
263099 callgrind_annotate counts Ir improperly [...]<br>
|
||
263877 undefined coprocessor instruction on ARMv7<br>
|
||
265964 configure FAIL with glibc-2.13<br>
|
||
n-i-bz Fix compile error w/ icc-12.x in guest_arm_toIR.c<br>
|
||
n-i-bz Docs: fix bogus descriptions for VALGRIND_CREATE_BLOCK et al<br>
|
||
n-i-bz Massif: don't assert on shmat() with --pages-as-heap=yes<br>
|
||
n-i-bz Bug fixes and major speedups for the exp-DHAT space profiler<br>
|
||
n-i-bz DRD: disable --free-is-write due to implementation difficulties<br>
|
||
<br>
|
||
(3.6.1: 16 February 2011, vex r2103, valgrind r11561).<br>
|
||
<br>
|
||
<br>
|
||
<br>
|
||
Release 3.6.0 (21 October 2010)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
3.6.0 is a feature release with many significant improvements and the<br>
|
||
usual collection of bug fixes.<br>
|
||
<br>
|
||
This release supports X86/Linux, AMD64/Linux, ARM/Linux, PPC32/Linux,<br>
|
||
PPC64/Linux, X86/Darwin and AMD64/Darwin. Support for recent distros<br>
|
||
and toolchain components (glibc 2.12, gcc 4.5, OSX 10.6) has been added.<br>
|
||
<br>
|
||
-------------------------<br>
|
||
<br>
|
||
Here are some highlights. Details are shown further down:<br>
|
||
<br>
|
||
* Support for ARM/Linux.<br>
|
||
<br>
|
||
* Support for recent Linux distros: Ubuntu 10.10 and Fedora 14.<br>
|
||
<br>
|
||
* Support for Mac OS X 10.6, both 32- and 64-bit executables.<br>
|
||
<br>
|
||
* Support for the SSE4.2 instruction set.<br>
|
||
<br>
|
||
* Enhancements to the Callgrind profiler, including the ability to<br>
|
||
handle CPUs with three levels of cache.<br>
|
||
<br>
|
||
* A new experimental heap profiler, DHAT.<br>
|
||
<br>
|
||
* A huge number of bug fixes and small enhancements.<br>
|
||
<br>
|
||
-------------------------<br>
|
||
<br>
|
||
Here are details of the above changes, together with descriptions of<br>
|
||
many other changes, and a list of fixed bugs.<br>
|
||
<br>
|
||
* ================== PLATFORM CHANGES =================<br>
|
||
<br>
|
||
* Support for ARM/Linux. Valgrind now runs on ARMv7 capable CPUs<br>
|
||
running Linux. It is known to work on Ubuntu 10.04, Ubuntu 10.10,<br>
|
||
and Maemo 5, so you can run Valgrind on your Nokia N900 if you want.<br>
|
||
<br>
|
||
This requires a CPU capable of running the ARMv7-A instruction set<br>
|
||
(Cortex A5, A8 and A9). Valgrind provides fairly complete coverage<br>
|
||
of the user space instruction set, including ARM and Thumb integer<br>
|
||
code, VFPv3, NEON and V6 media instructions. The Memcheck,<br>
|
||
Cachegrind and Massif tools work properly; other tools work to<br>
|
||
varying degrees.<br>
|
||
<br>
|
||
* Support for recent Linux distros (Ubuntu 10.10 and Fedora 14), along<br>
|
||
with support for recent releases of the underlying toolchain<br>
|
||
components, notably gcc-4.5 and glibc-2.12.<br>
|
||
<br>
|
||
* Support for Mac OS X 10.6, both 32- and 64-bit executables. 64-bit<br>
|
||
support also works much better on OS X 10.5, and is as solid as<br>
|
||
32-bit support now.<br>
|
||
<br>
|
||
* Support for the SSE4.2 instruction set. SSE4.2 is supported in<br>
|
||
64-bit mode. In 32-bit mode, support is only available up to and<br>
|
||
including SSSE3. Some exceptions: SSE4.2 AES instructions are not<br>
|
||
supported in 64-bit mode, and 32-bit mode does in fact support the<br>
|
||
bare minimum SSE4 instructions to needed to run programs on Mac OS X<br>
|
||
10.6 on 32-bit targets.<br>
|
||
<br>
|
||
* Support for IBM POWER6 cpus has been improved. The Power ISA up to<br>
|
||
and including version 2.05 is supported.<br>
|
||
<br>
|
||
* ==================== TOOL CHANGES ====================<br>
|
||
<br>
|
||
* Cachegrind has a new processing script, cg_diff, which finds the<br>
|
||
difference between two profiles. It's very useful for evaluating<br>
|
||
the performance effects of a change in a program.<br>
|
||
<br>
|
||
Related to this change, the meaning of cg_annotate's (rarely-used)<br>
|
||
--threshold option has changed; this is unlikely to affect many<br>
|
||
people, if you do use it please see the user manual for details.<br>
|
||
<br>
|
||
* Callgrind now can do branch prediction simulation, similar to<br>
|
||
Cachegrind. In addition, it optionally can count the number of<br>
|
||
executed global bus events. Both can be used for a better<br>
|
||
approximation of a "Cycle Estimation" as derived event (you need to<br>
|
||
update the event formula in KCachegrind yourself).<br>
|
||
<br>
|
||
* Cachegrind and Callgrind now refer to the LL (last-level) cache<br>
|
||
rather than the L2 cache. This is to accommodate machines with<br>
|
||
three levels of caches -- if Cachegrind/Callgrind auto-detects the<br>
|
||
cache configuration of such a machine it will run the simulation as<br>
|
||
if the L2 cache isn't present. This means the results are less<br>
|
||
likely to match the true result for the machine, but<br>
|
||
Cachegrind/Callgrind's results are already only approximate, and<br>
|
||
should not be considered authoritative. The results are still<br>
|
||
useful for giving a general idea about a program's locality.<br>
|
||
<br>
|
||
* Massif has a new option, --pages-as-heap, which is disabled by<br>
|
||
default. When enabled, instead of tracking allocations at the level<br>
|
||
of heap blocks (as allocated with malloc/new/new[]), it instead<br>
|
||
tracks memory allocations at the level of memory pages (as mapped by<br>
|
||
mmap, brk, etc). Each mapped page is treated as its own block.<br>
|
||
Interpreting the page-level output is harder than the heap-level<br>
|
||
output, but this option is useful if you want to account for every<br>
|
||
byte of memory used by a program.<br>
|
||
<br>
|
||
* DRD has two new command-line options: --free-is-write and<br>
|
||
--trace-alloc. The former allows to detect reading from already freed<br>
|
||
memory, and the latter allows tracing of all memory allocations and<br>
|
||
deallocations.<br>
|
||
<br>
|
||
* DRD has several new annotations. Custom barrier implementations can<br>
|
||
now be annotated, as well as benign races on static variables.<br>
|
||
<br>
|
||
* DRD's happens before / happens after annotations have been made more<br>
|
||
powerful, so that they can now also be used to annotate e.g. a smart<br>
|
||
pointer implementation.<br>
|
||
<br>
|
||
* Helgrind's annotation set has also been drastically improved, so as<br>
|
||
to provide to users a general set of annotations to describe locks,<br>
|
||
semaphores, barriers and condition variables. Annotations to<br>
|
||
describe thread-safe reference counted heap objects have also been<br>
|
||
added.<br>
|
||
<br>
|
||
* Memcheck has a new command-line option, --show-possibly-lost, which<br>
|
||
is enabled by default. When disabled, the leak detector will not<br>
|
||
show possibly-lost blocks.<br>
|
||
<br>
|
||
* A new experimental heap profiler, DHAT (Dynamic Heap Analysis Tool),<br>
|
||
has been added. DHAT keeps track of allocated heap blocks, and also<br>
|
||
inspects every memory reference to see which block (if any) is being<br>
|
||
accessed. This gives a lot of insight into block lifetimes,<br>
|
||
utilisation, turnover, liveness, and the location of hot and cold<br>
|
||
fields. You can use DHAT to do hot-field profiling.<br>
|
||
<br>
|
||
* ==================== OTHER CHANGES ====================<br>
|
||
<br>
|
||
* Improved support for unfriendly self-modifying code: the extra<br>
|
||
overhead incurred by --smc-check=all has been reduced by<br>
|
||
approximately a factor of 5 as compared with 3.5.0.<br>
|
||
<br>
|
||
* Ability to show directory names for source files in error messages.<br>
|
||
This is combined with a flexible mechanism for specifying which<br>
|
||
parts of the paths should be shown. This is enabled by the new flag<br>
|
||
--fullpath-after.<br>
|
||
<br>
|
||
* A new flag, --require-text-symbol, which will stop the run if a<br>
|
||
specified symbol is not found it a given shared object when it is<br>
|
||
loaded into the process. This makes advanced working with function<br>
|
||
intercepting and wrapping safer and more reliable.<br>
|
||
<br>
|
||
* Improved support for the Valkyrie GUI, version 2.0.0. GUI output<br>
|
||
and control of Valgrind is now available for the tools Memcheck and<br>
|
||
Helgrind. XML output from Valgrind is available for Memcheck,<br>
|
||
Helgrind and exp-Ptrcheck.<br>
|
||
<br>
|
||
* More reliable stack unwinding on amd64-linux, particularly in the<br>
|
||
presence of function wrappers, and with gcc-4.5 compiled code.<br>
|
||
<br>
|
||
* Modest scalability (performance improvements) for massive<br>
|
||
long-running applications, particularly for those with huge amounts<br>
|
||
of code.<br>
|
||
<br>
|
||
* Support for analyzing programs running under Wine with has been<br>
|
||
improved. The header files <valgrind/valgrind.h>,<br>
|
||
<valgrind/memcheck.h> and <valgrind/drd.h> can now be used in<br>
|
||
Windows-programs compiled with MinGW or one of the Microsoft Visual<br>
|
||
Studio compilers.<br>
|
||
<br>
|
||
* A rare but serious error in the 64-bit x86 CPU simulation was fixed.<br>
|
||
The 32-bit simulator was not affected. This did not occur often,<br>
|
||
but when it did would usually crash the program under test.<br>
|
||
Bug 245925.<br>
|
||
<br>
|
||
* A large number of bugs were fixed. These are shown below.<br>
|
||
<br>
|
||
* A number of bugs were investigated, and were candidates for fixing,<br>
|
||
but are not fixed in 3.6.0, due to lack of developer time. They may<br>
|
||
get fixed in later releases. They are:<br>
|
||
<br>
|
||
194402 vex amd64->IR: 0x48 0xF 0xAE 0x4 0x24 0x49 (FXSAVE64)<br>
|
||
212419 false positive "lock order violated" (A+B vs A) <br>
|
||
213685 Undefined value propagates past dependency breaking instruction<br>
|
||
216837 Incorrect instrumentation of NSOperationQueue on Darwin <br>
|
||
237920 valgrind segfault on fork failure <br>
|
||
242137 support for code compiled by LLVM-2.8<br>
|
||
242423 Another unknown Intel cache config value <br>
|
||
243232 Inconsistent Lock Orderings report with trylock <br>
|
||
243483 ppc: callgrind triggers VEX assertion failure <br>
|
||
243935 Helgrind: implementation of ANNOTATE_HAPPENS_BEFORE() is wrong<br>
|
||
244677 Helgrind crash hg_main.c:616 (map_threads_lookup): Assertion<br>
|
||
'thr' failed. <br>
|
||
246152 callgrind internal error after pthread_cancel on 32 Bit Linux <br>
|
||
249435 Analyzing wine programs with callgrind triggers a crash <br>
|
||
250038 ppc64: Altivec lvsr and lvsl instructions fail their regtest<br>
|
||
250065 Handling large allocations <br>
|
||
250101 huge "free" memory usage due to m_mallocfree.c<br>
|
||
"superblocks fragmentation"<br>
|
||
251569 vex amd64->IR: 0xF 0x1 0xF9 0x8B 0x4C 0x24 (RDTSCP)<br>
|
||
252091 Callgrind on ARM does not detect function returns correctly<br>
|
||
252600 [PATCH] Allow lhs to be a pointer for shl/shr<br>
|
||
254420 memory pool tracking broken<br>
|
||
n-i-bz support for adding symbols for JIT generated code<br>
|
||
<br>
|
||
<br>
|
||
The following bugs have been fixed or resolved. Note that "n-i-bz"<br>
|
||
stands for "not in bugzilla" -- that is, a bug that was reported to us<br>
|
||
but never got a bugzilla entry. We encourage you to file bugs in<br>
|
||
bugzilla (http://bugs.kde.org/enter_valgrind_bug.cgi) rather than<br>
|
||
mailing the developers (or mailing lists) directly -- bugs that are<br>
|
||
not entered into bugzilla tend to get forgotten about or ignored.<br>
|
||
<br>
|
||
To see details of a given bug, visit<br>
|
||
https://bugs.kde.org/show_bug.cgi?id=XXXXXX<br>
|
||
where XXXXXX is the bug number as listed below.<br>
|
||
<br>
|
||
135264 dcbzl instruction missing<br>
|
||
142688 == 250799<br>
|
||
153699 Valgrind should report unaligned reads with movdqa<br>
|
||
180217 == 212335<br>
|
||
190429 Valgrind reports lost of errors in ld.so<br>
|
||
with x86_64 2.9.90 glibc <br>
|
||
197266 valgrind appears to choke on the xmms instruction<br>
|
||
"roundsd" on x86_64 <br>
|
||
197988 Crash when demangling very large symbol names<br>
|
||
202315 unhandled syscall: 332 (inotify_init1)<br>
|
||
203256 Add page-level profiling to Massif<br>
|
||
205093 dsymutil=yes needs quotes, locking (partial fix)<br>
|
||
205241 Snow Leopard 10.6 support (partial fix)<br>
|
||
206600 Leak checker fails to upgrade indirect blocks when their<br>
|
||
parent becomes reachable <br>
|
||
210935 port valgrind.h (not valgrind) to win32 so apps run under<br>
|
||
wine can make client requests<br>
|
||
211410 vex amd64->IR: 0x15 0xFF 0xFF 0x0 0x0 0x89<br>
|
||
within Linux ip-stack checksum functions <br>
|
||
212335 unhandled instruction bytes: 0xF3 0xF 0xBD 0xC0<br>
|
||
(lzcnt %eax,%eax) <br>
|
||
213685 Undefined value propagates past dependency breaking instruction<br>
|
||
(partial fix)<br>
|
||
215914 Valgrind inserts bogus empty environment variable <br>
|
||
217863 == 197988<br>
|
||
219538 adjtimex syscall wrapper wrong in readonly adjtime mode <br>
|
||
222545 shmat fails under valgind on some arm targets <br>
|
||
222560 ARM NEON support <br>
|
||
230407 == 202315<br>
|
||
231076 == 202315<br>
|
||
232509 Docs build fails with formatting inside <title></title> elements <br>
|
||
232793 == 202315<br>
|
||
235642 [PATCH] syswrap-linux.c: support evdev EVIOCG* ioctls <br>
|
||
236546 vex x86->IR: 0x66 0xF 0x3A 0xA<br>
|
||
237202 vex amd64->IR: 0xF3 0xF 0xB8 0xC0 0x49 0x3B <br>
|
||
237371 better support for VALGRIND_MALLOCLIKE_BLOCK <br>
|
||
237485 symlink (syscall 57) is not supported on Mac OS <br>
|
||
237723 sysno == 101 exp-ptrcheck: the 'impossible' happened:<br>
|
||
unhandled syscall <br>
|
||
238208 is_just_below_ESP doesn't take into account red-zone <br>
|
||
238345 valgrind passes wrong $0 when executing a shell script <br>
|
||
238679 mq_timedreceive syscall doesn't flag the reception buffer<br>
|
||
as "defined"<br>
|
||
238696 fcntl command F_DUPFD_CLOEXEC not supported <br>
|
||
238713 unhandled instruction bytes: 0x66 0xF 0x29 0xC6 <br>
|
||
238713 unhandled instruction bytes: 0x66 0xF 0x29 0xC6 <br>
|
||
238745 3.5.0 Make fails on PPC Altivec opcodes, though configure<br>
|
||
says "Altivec off"<br>
|
||
239992 vex amd64->IR: 0x48 0xF 0xC4 0xC1 0x0 0x48 <br>
|
||
240488 == 197988<br>
|
||
240639 == 212335<br>
|
||
241377 == 236546<br>
|
||
241903 == 202315<br>
|
||
241920 == 212335<br>
|
||
242606 unhandled syscall: setegid (in Ptrcheck)<br>
|
||
242814 Helgrind "Impossible has happened" during<br>
|
||
QApplication::initInstance(); <br>
|
||
243064 Valgrind attempting to read debug information from iso <br>
|
||
243270 Make stack unwinding in Valgrind wrappers more reliable<br>
|
||
243884 exp-ptrcheck: the 'impossible happened: unhandled syscall <br>
|
||
sysno = 277 (mq_open)<br>
|
||
244009 exp-ptrcheck unknown syscalls in analyzing lighttpd<br>
|
||
244493 ARM VFP d16-d31 registers support <br>
|
||
244670 add support for audit_session_self syscall on Mac OS 10.6<br>
|
||
244921 The xml report of helgrind tool is not well format<br>
|
||
244923 In the xml report file, the <preamble> not escape the <br>
|
||
xml char, eg '<','&','>'<br>
|
||
245535 print full path names in plain text reports <br>
|
||
245925 x86-64 red zone handling problem <br>
|
||
246258 Valgrind not catching integer underruns + new [] s<br>
|
||
246311 reg/reg cmpxchg doesn't work on amd64<br>
|
||
246549 unhandled syscall unix:277 while testing 32-bit Darwin app <br>
|
||
246888 Improve Makefile.vex.am <br>
|
||
247510 [OS X 10.6] Memcheck reports unaddressable bytes passed <br>
|
||
to [f]chmod_extended<br>
|
||
247526 IBM POWER6 (ISA 2.05) support is incomplete<br>
|
||
247561 Some leak testcases fails due to reachable addresses in<br>
|
||
caller save regs<br>
|
||
247875 sizeofIRType to handle Ity_I128 <br>
|
||
247894 [PATCH] unhandled syscall sys_readahead <br>
|
||
247980 Doesn't honor CFLAGS passed to configure <br>
|
||
248373 darwin10.supp is empty in the trunk <br>
|
||
248822 Linux FIBMAP ioctl has int parameter instead of long<br>
|
||
248893 [PATCH] make readdwarf.c big endianess safe to enable<br>
|
||
unwinding on big endian systems<br>
|
||
249224 Syscall 336 not supported (SYS_proc_info) <br>
|
||
249359 == 245535<br>
|
||
249775 Incorrect scheme for detecting NEON capabilities of host CPU<br>
|
||
249943 jni JVM init fails when using valgrind<br>
|
||
249991 Valgrind incorrectly declares AESKEYGENASSIST support<br>
|
||
since VEX r2011<br>
|
||
249996 linux/arm: unhandled syscall: 181 (__NR_pwrite64)<br>
|
||
250799 frexp$fenv_access_off function generates SIGILL <br>
|
||
250998 vex x86->IR: unhandled instruction bytes: 0x66 0x66 0x66 0x2E <br>
|
||
251251 support pclmulqdq insn <br>
|
||
251362 valgrind: ARM: attach to debugger either fails or provokes<br>
|
||
kernel oops <br>
|
||
251674 Unhandled syscall 294<br>
|
||
251818 == 254550<br>
|
||
<br>
|
||
254257 Add support for debugfiles found by build-id<br>
|
||
254550 [PATCH] Implement DW_ATE_UTF (DWARF4)<br>
|
||
254646 Wrapped functions cause stack misalignment on OS X<br>
|
||
(and possibly Linux)<br>
|
||
254556 ARM: valgrinding anything fails with SIGSEGV for 0xFFFF0FA0<br>
|
||
<br>
|
||
(3.6.0: 21 October 2010, vex r2068, valgrind r11471).<br>
|
||
<br>
|
||
<br>
|
||
<br>
|
||
Release 3.5.0 (19 August 2009)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
3.5.0 is a feature release with many significant improvements and the<br>
|
||
usual collection of bug fixes. The main improvement is that Valgrind<br>
|
||
now works on Mac OS X.<br>
|
||
<br>
|
||
This release supports X86/Linux, AMD64/Linux, PPC32/Linux, PPC64/Linux<br>
|
||
and X86/Darwin. Support for recent distros and toolchain components<br>
|
||
(glibc 2.10, gcc 4.5) has been added.<br>
|
||
<br>
|
||
-------------------------<br>
|
||
<br>
|
||
Here is a short summary of the changes. Details are shown further<br>
|
||
down:<br>
|
||
<br>
|
||
* Support for Mac OS X (10.5.x).<br>
|
||
<br>
|
||
* Improvements and simplifications to Memcheck's leak checker.<br>
|
||
<br>
|
||
* Clarification and simplifications in various aspects of Valgrind's<br>
|
||
text output.<br>
|
||
<br>
|
||
* XML output for Helgrind and Ptrcheck.<br>
|
||
<br>
|
||
* Performance and stability improvements for Helgrind and DRD.<br>
|
||
<br>
|
||
* Genuinely atomic support for x86/amd64/ppc atomic instructions.<br>
|
||
<br>
|
||
* A new experimental tool, BBV, useful for computer architecture<br>
|
||
research.<br>
|
||
<br>
|
||
* Improved Wine support, including ability to read Windows PDB<br>
|
||
debuginfo.<br>
|
||
<br>
|
||
-------------------------<br>
|
||
<br>
|
||
Here are details of the above changes, followed by descriptions of<br>
|
||
many other minor changes, and a list of fixed bugs.<br>
|
||
<br>
|
||
<br>
|
||
* Valgrind now runs on Mac OS X. (Note that Mac OS X is sometimes<br>
|
||
called "Darwin" because that is the name of the OS core, which is the<br>
|
||
level that Valgrind works at.)<br>
|
||
<br>
|
||
Supported systems:<br>
|
||
<br>
|
||
- It requires OS 10.5.x (Leopard). Porting to 10.4.x is not planned<br>
|
||
because it would require work and 10.4 is only becoming less common.<br>
|
||
<br>
|
||
- 32-bit programs on x86 and AMD64 (a.k.a x86-64) machines are supported<br>
|
||
fairly well. For 10.5.x, 32-bit programs are the default even on<br>
|
||
64-bit machines, so it handles most current programs.<br>
|
||
<br>
|
||
- 64-bit programs on x86 and AMD64 (a.k.a x86-64) machines are not<br>
|
||
officially supported, but simple programs at least will probably work.<br>
|
||
However, start-up is slow.<br>
|
||
<br>
|
||
- PowerPC machines are not supported.<br>
|
||
<br>
|
||
Things that don't work:<br>
|
||
<br>
|
||
- The Ptrcheck tool.<br>
|
||
<br>
|
||
- Objective-C garbage collection.<br>
|
||
<br>
|
||
- --db-attach=yes.<br>
|
||
<br>
|
||
- If you have Rogue Amoeba's "Instant Hijack" program installed,<br>
|
||
Valgrind will fail with a SIGTRAP at start-up. See<br>
|
||
https://bugs.kde.org/show_bug.cgi?id=193917 for details and a<br>
|
||
simple work-around.<br>
|
||
<br>
|
||
Usage notes:<br>
|
||
<br>
|
||
- You will likely find --dsymutil=yes a useful option, as error<br>
|
||
messages may be imprecise without it.<br>
|
||
<br>
|
||
- Mac OS X support is new and therefore will be less robust than the<br>
|
||
Linux support. Please report any bugs you find.<br>
|
||
<br>
|
||
- Threaded programs may run more slowly than on Linux.<br>
|
||
<br>
|
||
Many thanks to Greg Parker for developing this port over several years.<br>
|
||
<br>
|
||
<br>
|
||
* Memcheck's leak checker has been improved. <br>
|
||
<br>
|
||
- The results for --leak-check=summary now match the summary results<br>
|
||
for --leak-check=full. Previously they could differ because<br>
|
||
--leak-check=summary counted "indirectly lost" blocks and<br>
|
||
"suppressed" blocks as "definitely lost".<br>
|
||
<br>
|
||
- Blocks that are only reachable via at least one interior-pointer,<br>
|
||
but are directly pointed to by a start-pointer, were previously<br>
|
||
marked as "still reachable". They are now correctly marked as<br>
|
||
"possibly lost".<br>
|
||
<br>
|
||
- The default value for the --leak-resolution option has been<br>
|
||
changed from "low" to "high". In general, this means that more<br>
|
||
leak reports will be produced, but each leak report will describe<br>
|
||
fewer leaked blocks.<br>
|
||
<br>
|
||
- With --leak-check=full, "definitely lost" and "possibly lost"<br>
|
||
leaks are now considered as proper errors, ie. they are counted<br>
|
||
for the "ERROR SUMMARY" and affect the behaviour of<br>
|
||
--error-exitcode. These leaks are not counted as errors if<br>
|
||
--leak-check=summary is specified, however.<br>
|
||
<br>
|
||
- Documentation for the leak checker has been improved.<br>
|
||
<br>
|
||
<br>
|
||
* Various aspects of Valgrind's text output have changed.<br>
|
||
<br>
|
||
- Valgrind's start-up message has changed. It is shorter but also<br>
|
||
includes the command being run, which makes it easier to use<br>
|
||
--trace-children=yes. An example:<br>
|
||
<br>
|
||
- Valgrind's shut-down messages have also changed. This is most<br>
|
||
noticeable with Memcheck, where the leak summary now occurs before<br>
|
||
the error summary. This change was necessary to allow leaks to be<br>
|
||
counted as proper errors (see the description of the leak checker<br>
|
||
changes above for more details). This was also necessary to fix a<br>
|
||
longstanding bug in which uses of suppressions against leaks were<br>
|
||
not "counted", leading to difficulties in maintaining suppression<br>
|
||
files (see https://bugs.kde.org/show_bug.cgi?id=186790).<br>
|
||
<br>
|
||
- Behavior of -v has changed. In previous versions, -v printed out<br>
|
||
a mixture of marginally-user-useful information, and tool/core<br>
|
||
statistics. The statistics printing has now been moved to its own<br>
|
||
flag, --stats=yes. This means -v is less verbose and more likely<br>
|
||
to convey useful end-user information.<br>
|
||
<br>
|
||
- The format of some (non-XML) stack trace entries has changed a<br>
|
||
little. Previously there were six possible forms:<br>
|
||
<br>
|
||
0x80483BF: really (a.c:20)<br>
|
||
0x80483BF: really (in /foo/a.out)<br>
|
||
0x80483BF: really<br>
|
||
0x80483BF: (within /foo/a.out)<br>
|
||
0x80483BF: ??? (a.c:20)<br>
|
||
0x80483BF: ???<br>
|
||
<br>
|
||
The third and fourth of these forms have been made more consistent<br>
|
||
with the others. The six possible forms are now:<br>
|
||
<br>
|
||
0x80483BF: really (a.c:20)<br>
|
||
0x80483BF: really (in /foo/a.out)<br>
|
||
0x80483BF: really (in ???)<br>
|
||
0x80483BF: ??? (in /foo/a.out)<br>
|
||
0x80483BF: ??? (a.c:20)<br>
|
||
0x80483BF: ???<br>
|
||
<br>
|
||
Stack traces produced when --xml=yes is specified are different<br>
|
||
and unchanged.<br>
|
||
<br>
|
||
<br>
|
||
* Helgrind and Ptrcheck now support XML output, so they can be used<br>
|
||
from GUI tools. Also, the XML output mechanism has been<br>
|
||
overhauled.<br>
|
||
<br>
|
||
- The XML format has been overhauled and generalised, so it is more<br>
|
||
suitable for error reporting tools in general. The Memcheck<br>
|
||
specific aspects of it have been removed. The new format, which<br>
|
||
is an evolution of the old format, is described in<br>
|
||
docs/internals/xml-output-protocol4.txt.<br>
|
||
<br>
|
||
- Memcheck has been updated to use the new format.<br>
|
||
<br>
|
||
- Helgrind and Ptrcheck are now able to emit output in this format.<br>
|
||
<br>
|
||
- The XML output mechanism has been overhauled. XML is now output<br>
|
||
to its own file descriptor, which means that:<br>
|
||
<br>
|
||
* Valgrind can output text and XML independently.<br>
|
||
<br>
|
||
* The longstanding problem of XML output being corrupted by <br>
|
||
unexpected un-tagged text messages is solved.<br>
|
||
<br>
|
||
As before, the destination for text output is specified using<br>
|
||
--log-file=, --log-fd= or --log-socket=.<br>
|
||
<br>
|
||
As before, XML output for a tool is enabled using --xml=yes.<br>
|
||
<br>
|
||
Because there's a new XML output channel, the XML output<br>
|
||
destination is now specified by --xml-file=, --xml-fd= or<br>
|
||
--xml-socket=.<br>
|
||
<br>
|
||
Initial feedback has shown this causes some confusion. To<br>
|
||
clarify, the two envisaged usage scenarios are:<br>
|
||
<br>
|
||
(1) Normal text output. In this case, do not specify --xml=yes<br>
|
||
nor any of --xml-file=, --xml-fd= or --xml-socket=.<br>
|
||
<br>
|
||
(2) XML output. In this case, specify --xml=yes, and one of<br>
|
||
--xml-file=, --xml-fd= or --xml-socket= to select the XML<br>
|
||
destination, one of --log-file=, --log-fd= or --log-socket=<br>
|
||
to select the destination for any remaining text messages,<br>
|
||
and, importantly, -q.<br>
|
||
<br>
|
||
-q makes Valgrind completely silent on the text channel,<br>
|
||
except in the case of critical failures, such as Valgrind<br>
|
||
itself segfaulting, or failing to read debugging information.<br>
|
||
Hence, in this scenario, it suffices to check whether or not<br>
|
||
any output appeared on the text channel. If yes, then it is<br>
|
||
likely to be a critical error which should be brought to the<br>
|
||
attention of the user. If no (the text channel produced no<br>
|
||
output) then it can be assumed that the run was successful.<br>
|
||
<br>
|
||
This allows GUIs to make the critical distinction they need to<br>
|
||
make (did the run fail or not?) without having to search or<br>
|
||
filter the text output channel in any way.<br>
|
||
<br>
|
||
It is also recommended to use --child-silent-after-fork=yes in<br>
|
||
scenario (2).<br>
|
||
<br>
|
||
<br>
|
||
* Improvements and changes in Helgrind:<br>
|
||
<br>
|
||
- XML output, as described above<br>
|
||
<br>
|
||
- Checks for consistent association between pthread condition<br>
|
||
variables and their associated mutexes are now performed.<br>
|
||
<br>
|
||
- pthread_spinlock functions are supported.<br>
|
||
<br>
|
||
- Modest performance improvements.<br>
|
||
<br>
|
||
- Initial (skeletal) support for describing the behaviour of<br>
|
||
non-POSIX synchronisation objects through ThreadSanitizer<br>
|
||
compatible ANNOTATE_* macros.<br>
|
||
<br>
|
||
- More controllable tradeoffs between performance and the level of<br>
|
||
detail of "previous" accesses in a race. There are now three<br>
|
||
settings:<br>
|
||
<br>
|
||
* --history-level=full. This is the default, and was also the<br>
|
||
default in 3.4.x. It shows both stacks involved in a race, but<br>
|
||
requires a lot of memory and can be very slow in programs that<br>
|
||
do many inter-thread synchronisation events.<br>
|
||
<br>
|
||
* --history-level=none. This only shows the later stack involved<br>
|
||
in a race. This can be much faster than --history-level=full,<br>
|
||
but makes it much more difficult to find the other access<br>
|
||
involved in the race.<br>
|
||
<br>
|
||
The new intermediate setting is<br>
|
||
<br>
|
||
* --history-level=approx<br>
|
||
<br>
|
||
For the earlier (other) access, two stacks are presented. The<br>
|
||
earlier access is guaranteed to be somewhere in between the two<br>
|
||
program points denoted by those stacks. This is not as useful<br>
|
||
as showing the exact stack for the previous access (as per<br>
|
||
--history-level=full), but it is better than nothing, and it's<br>
|
||
almost as fast as --history-level=none.<br>
|
||
<br>
|
||
<br>
|
||
* New features and improvements in DRD:<br>
|
||
<br>
|
||
- The error messages printed by DRD are now easier to interpret.<br>
|
||
Instead of using two different numbers to identify each thread<br>
|
||
(Valgrind thread ID and DRD thread ID), DRD does now identify<br>
|
||
threads via a single number (the DRD thread ID). Furthermore<br>
|
||
"first observed at" information is now printed for all error<br>
|
||
messages related to synchronization objects.<br>
|
||
<br>
|
||
- Added support for named semaphores (sem_open() and sem_close()).<br>
|
||
<br>
|
||
- Race conditions between pthread_barrier_wait() and<br>
|
||
pthread_barrier_destroy() calls are now reported.<br>
|
||
<br>
|
||
- Added support for custom allocators through the macros<br>
|
||
VALGRIND_MALLOCLIKE_BLOCK() VALGRIND_FREELIKE_BLOCK() (defined in<br>
|
||
in <valgrind/valgrind.h>). An alternative for these two macros is<br>
|
||
the new client request VG_USERREQ__DRD_CLEAN_MEMORY (defined in<br>
|
||
<valgrind/drd.h>).<br>
|
||
<br>
|
||
- Added support for annotating non-POSIX synchronization objects<br>
|
||
through several new ANNOTATE_*() macros.<br>
|
||
<br>
|
||
- OpenMP: added support for the OpenMP runtime (libgomp) included<br>
|
||
with gcc versions 4.3.0 and 4.4.0.<br>
|
||
<br>
|
||
- Faster operation.<br>
|
||
<br>
|
||
- Added two new command-line options (--first-race-only and<br>
|
||
--segment-merging-interval).<br>
|
||
<br>
|
||
<br>
|
||
* Genuinely atomic support for x86/amd64/ppc atomic instructions<br>
|
||
<br>
|
||
Valgrind will now preserve (memory-access) atomicity of LOCK-<br>
|
||
prefixed x86/amd64 instructions, and any others implying a global<br>
|
||
bus lock. Ditto for PowerPC l{w,d}arx/st{w,d}cx. instructions.<br>
|
||
<br>
|
||
This means that Valgrinded processes will "play nicely" in<br>
|
||
situations where communication with other processes, or the kernel,<br>
|
||
is done through shared memory and coordinated with such atomic<br>
|
||
instructions. Prior to this change, such arrangements usually<br>
|
||
resulted in hangs, races or other synchronisation failures, because<br>
|
||
Valgrind did not honour atomicity of such instructions.<br>
|
||
<br>
|
||
<br>
|
||
* A new experimental tool, BBV, has been added. BBV generates basic<br>
|
||
block vectors for use with the SimPoint analysis tool, which allows<br>
|
||
a program's overall behaviour to be approximated by running only a<br>
|
||
fraction of it. This is useful for computer architecture<br>
|
||
researchers. You can run BBV by specifying --tool=exp-bbv (the<br>
|
||
"exp-" prefix is short for "experimental"). BBV was written by<br>
|
||
Vince Weaver.<br>
|
||
<br>
|
||
<br>
|
||
* Modestly improved support for running Windows applications under<br>
|
||
Wine. In particular, initial support for reading Windows .PDB debug<br>
|
||
information has been added.<br>
|
||
<br>
|
||
<br>
|
||
* A new Memcheck client request VALGRIND_COUNT_LEAK_BLOCKS has been<br>
|
||
added. It is similar to VALGRIND_COUNT_LEAKS but counts blocks<br>
|
||
instead of bytes.<br>
|
||
<br>
|
||
<br>
|
||
* The Valgrind client requests VALGRIND_PRINTF and<br>
|
||
VALGRIND_PRINTF_BACKTRACE have been changed slightly. Previously,<br>
|
||
the string was always printed immediately on its own line. Now, the<br>
|
||
string will be added to a buffer but not printed until a newline is<br>
|
||
encountered, or other Valgrind output is printed (note that for<br>
|
||
VALGRIND_PRINTF_BACKTRACE, the back-trace itself is considered<br>
|
||
"other Valgrind output"). This allows you to use multiple<br>
|
||
VALGRIND_PRINTF calls to build up a single output line, and also to<br>
|
||
print multiple output lines with a single request (by embedding<br>
|
||
multiple newlines in the string).<br>
|
||
<br>
|
||
<br>
|
||
* The graphs drawn by Massif's ms_print program have changed slightly:<br>
|
||
<br>
|
||
- The half-height chars '.' and ',' are no longer drawn, because<br>
|
||
they are confusing. The --y option can be used if the default<br>
|
||
y-resolution is not high enough.<br>
|
||
<br>
|
||
- Horizontal lines are now drawn after the top of a snapshot if<br>
|
||
there is a gap until the next snapshot. This makes it clear that<br>
|
||
the memory usage has not dropped to zero between snapshots.<br>
|
||
<br>
|
||
<br>
|
||
* Something that happened in 3.4.0, but wasn't clearly announced: the<br>
|
||
option --read-var-info=yes can be used by some tools (Memcheck,<br>
|
||
Helgrind and DRD). When enabled, it causes Valgrind to read DWARF3<br>
|
||
variable type and location information. This makes those tools<br>
|
||
start up more slowly and increases memory consumption, but<br>
|
||
descriptions of data addresses in error messages become more<br>
|
||
detailed.<br>
|
||
<br>
|
||
<br>
|
||
* exp-Omega, an experimental instantaneous leak-detecting tool, was<br>
|
||
disabled in 3.4.0 due to a lack of interest and maintenance,<br>
|
||
although the source code was still in the distribution. The source<br>
|
||
code has now been removed from the distribution. For anyone<br>
|
||
interested, the removal occurred in SVN revision r10247.<br>
|
||
<br>
|
||
<br>
|
||
* Some changes have been made to the build system.<br>
|
||
<br>
|
||
- VEX/ is now integrated properly into the build system. This means<br>
|
||
that dependency tracking within VEX/ now works properly, "make<br>
|
||
install" will work without requiring "make" before it, and<br>
|
||
parallel builds (ie. 'make -j') now work (previously a<br>
|
||
.NOTPARALLEL directive was used to serialize builds, ie. 'make -j'<br>
|
||
was effectively ignored).<br>
|
||
<br>
|
||
- The --with-vex configure option has been removed. It was of<br>
|
||
little use and removing it simplified the build system.<br>
|
||
<br>
|
||
- The location of some install files has changed. This should not<br>
|
||
affect most users. Those who might be affected:<br>
|
||
<br>
|
||
* For people who use Valgrind with MPI programs, the installed<br>
|
||
libmpiwrap.so library has moved from<br>
|
||
$(INSTALL)/<platform>/libmpiwrap.so to<br>
|
||
$(INSTALL)/libmpiwrap-<platform>.so.<br>
|
||
<br>
|
||
* For people who distribute standalone Valgrind tools, the<br>
|
||
installed libraries such as $(INSTALL)/<platform>/libcoregrind.a<br>
|
||
have moved to $(INSTALL)/libcoregrind-<platform>.a.<br>
|
||
<br>
|
||
These changes simplify the build system.<br>
|
||
<br>
|
||
- Previously, all the distributed suppression (*.supp) files were<br>
|
||
installed. Now, only default.supp is installed. This should not<br>
|
||
affect users as the other installed suppression files were not<br>
|
||
read; the fact that they were installed was a mistake.<br>
|
||
<br>
|
||
<br>
|
||
* KNOWN LIMITATIONS:<br>
|
||
<br>
|
||
- Memcheck is unusable with the Intel compiler suite version 11.1,<br>
|
||
when it generates code for SSE2-and-above capable targets. This<br>
|
||
is because of icc's use of highly optimised inlined strlen<br>
|
||
implementations. It causes Memcheck to report huge numbers of<br>
|
||
false errors even in simple programs. Helgrind and DRD may also<br>
|
||
have problems.<br>
|
||
<br>
|
||
Versions 11.0 and earlier may be OK, but this has not been<br>
|
||
properly tested.<br>
|
||
<br>
|
||
<br>
|
||
The following bugs have been fixed or resolved. Note that "n-i-bz"<br>
|
||
stands for "not in bugzilla" -- that is, a bug that was reported to us<br>
|
||
but never got a bugzilla entry. We encourage you to file bugs in<br>
|
||
bugzilla (http://bugs.kde.org/enter_valgrind_bug.cgi) rather than<br>
|
||
mailing the developers (or mailing lists) directly -- bugs that are<br>
|
||
not entered into bugzilla tend to get forgotten about or ignored.<br>
|
||
<br>
|
||
To see details of a given bug, visit<br>
|
||
https://bugs.kde.org/show_bug.cgi?id=XXXXXX<br>
|
||
where XXXXXX is the bug number as listed below.<br>
|
||
<br>
|
||
84303 How about a LockCheck tool? <br>
|
||
91633 dereference of null ptr in vgPlain_st_basetype <br>
|
||
97452 Valgrind doesn't report any pthreads problems <br>
|
||
100628 leak-check gets assertion failure when using <br>
|
||
VALGRIND_MALLOCLIKE_BLOCK on malloc()ed memory <br>
|
||
108528 NPTL pthread cleanup handlers not called <br>
|
||
110126 Valgrind 2.4.1 configure.in tramples CFLAGS <br>
|
||
110128 mallinfo is not implemented... <br>
|
||
110770 VEX: Generated files not always updated when making valgrind<br>
|
||
111102 Memcheck: problems with large (memory footprint) applications <br>
|
||
115673 Vex's decoder should never assert <br>
|
||
117564 False positive: Syscall param clone(child_tidptr) contains<br>
|
||
uninitialised byte(s) <br>
|
||
119404 executing ssh from inside valgrind fails <br>
|
||
133679 Callgrind does not write path names to sources with dwarf debug<br>
|
||
info<br>
|
||
135847 configure.in problem with non gnu compilers (and possible fix) <br>
|
||
136154 threads.c:273 (vgCallgrind_post_signal): Assertion<br>
|
||
'*(vgCallgrind_current_fn_stack.top) == 0' failed. <br>
|
||
136230 memcheck reports "possibly lost", should be "still reachable" <br>
|
||
137073 NULL arg to MALLOCLIKE_BLOCK causes crash <br>
|
||
137904 Valgrind reports a memory leak when using POSIX threads,<br>
|
||
while it shouldn't <br>
|
||
139076 valgrind VT_GETSTATE error <br>
|
||
142228 complaint of elf_dynamic_do_rela in trivial usage <br>
|
||
145347 spurious warning with USBDEVFS_REAPURB <br>
|
||
148441 (wine) can't find memory leak in Wine, win32 binary <br>
|
||
executable file.<br>
|
||
148742 Leak-check fails assert on exit <br>
|
||
149878 add (proper) check for calloc integer overflow <br>
|
||
150606 Call graph is broken when using callgrind control <br>
|
||
152393 leak errors produce an exit code of 0. I need some way to <br>
|
||
cause leak errors to result in a nonzero exit code. <br>
|
||
157154 documentation (leak-resolution doc speaks about num-callers<br>
|
||
def=4) + what is a loss record<br>
|
||
159501 incorrect handling of ALSA ioctls <br>
|
||
162020 Valgrinding an empty/zero-byte file crashes valgrind <br>
|
||
162482 ppc: Valgrind crashes while reading stabs information <br>
|
||
162718 x86: avoid segment selector 0 in sys_set_thread_area() <br>
|
||
163253 (wine) canonicaliseSymtab forgot some fields in DiSym <br>
|
||
163560 VEX/test_main.c is missing from valgrind-3.3.1 <br>
|
||
164353 malloc_usable_size() doesn't return a usable size <br>
|
||
165468 Inconsistent formatting in memcheck manual -- please fix <br>
|
||
169505 main.c:286 (endOfInstr):<br>
|
||
Assertion 'ii->cost_offset == *cost_offset' failed <br>
|
||
177206 Generate default.supp during compile instead of configure<br>
|
||
177209 Configure valt_load_address based on arch+os <br>
|
||
177305 eventfd / syscall 323 patch lost<br>
|
||
179731 Tests fail to build because of inlining of non-local asm labels<br>
|
||
181394 helgrind: libhb_core.c:3762 (msm_write): Assertion <br>
|
||
'ordxx == POrd_EQ || ordxx == POrd_LT' failed. <br>
|
||
181594 Bogus warning for empty text segment <br>
|
||
181707 dwarf doesn't require enumerations to have name <br>
|
||
185038 exp-ptrcheck: "unhandled syscall: 285" (fallocate) on x86_64 <br>
|
||
185050 exp-ptrcheck: sg_main.c:727 (add_block_to_GlobalTree):<br>
|
||
Assertion '!already_present' failed.<br>
|
||
185359 exp-ptrcheck: unhandled syscall getresuid()<br>
|
||
185794 "WARNING: unhandled syscall: 285" (fallocate) on x86_64<br>
|
||
185816 Valgrind is unable to handle debug info for files with split<br>
|
||
debug info that are prelinked afterwards <br>
|
||
185980 [darwin] unhandled syscall: sem_open <br>
|
||
186238 bbToIR_AMD64: disInstr miscalculated next %rip<br>
|
||
186507 exp-ptrcheck unhandled syscalls prctl, etc. <br>
|
||
186790 Suppression pattern used for leaks are not reported <br>
|
||
186796 Symbols with length>200 in suppression files are ignored <br>
|
||
187048 drd: mutex PTHREAD_PROCESS_SHARED attribute missinterpretation<br>
|
||
187416 exp-ptrcheck: support for __NR_{setregid,setreuid,setresuid}<br>
|
||
188038 helgrind: hg_main.c:926: mk_SHVAL_fail: the 'impossible' happened<br>
|
||
188046 bashisms in the configure script<br>
|
||
188127 amd64->IR: unhandled instruction bytes: 0xF0 0xF 0xB0 0xA<br>
|
||
188161 memcheck: --track-origins=yes asserts "mc_machine.c:672<br>
|
||
(get_otrack_shadow_offset_wrk): the 'impossible' happened."<br>
|
||
188248 helgrind: pthread_cleanup_push, pthread_rwlock_unlock, <br>
|
||
assertion fail "!lock->heldBy" <br>
|
||
188427 Add support for epoll_create1 (with patch) <br>
|
||
188530 Support for SIOCGSTAMPNS<br>
|
||
188560 Include valgrind.spec in the tarball<br>
|
||
188572 Valgrind on Mac should suppress setenv() mem leak <br>
|
||
189054 Valgrind fails to build because of duplicate non-local asm labels <br>
|
||
189737 vex amd64->IR: unhandled instruction bytes: 0xAC<br>
|
||
189762 epoll_create syscall not handled (--tool=exp-ptrcheck)<br>
|
||
189763 drd assertion failure: s_threadinfo[tid].is_recording <br>
|
||
190219 unhandled syscall: 328 (x86-linux)<br>
|
||
190391 dup of 181394; see above<br>
|
||
190429 Valgrind reports lots of errors in ld.so with x86_64 2.9.90 glibc <br>
|
||
190820 No debug information on powerpc-linux<br>
|
||
191095 PATCH: Improve usbdevfs ioctl handling <br>
|
||
191182 memcheck: VALGRIND_LEAK_CHECK quadratic when big nr of chunks<br>
|
||
or big nr of errors<br>
|
||
191189 --xml=yes should obey --gen-suppressions=all <br>
|
||
191192 syslog() needs a suppression on macosx <br>
|
||
191271 DARWIN: WARNING: unhandled syscall: 33554697 a.k.a.: 265 <br>
|
||
191761 getrlimit on MacOSX <br>
|
||
191992 multiple --fn-skip only works sometimes; dependent on order <br>
|
||
192634 V. reports "aspacem sync_check_mapping_callback: <br>
|
||
segment mismatch" on Darwin<br>
|
||
192954 __extension__ missing on 2 client requests <br>
|
||
194429 Crash at start-up with glibc-2.10.1 and linux-2.6.29 <br>
|
||
194474 "INSTALL" file has different build instructions than "README"<br>
|
||
194671 Unhandled syscall (sem_wait?) from mac valgrind <br>
|
||
195069 memcheck: reports leak (memory still reachable) for <br>
|
||
printf("%d', x) <br>
|
||
195169 drd: (vgDrd_barrier_post_wait):<br>
|
||
Assertion 'r->sg[p->post_iteration]' failed. <br>
|
||
195268 valgrind --log-file doesn't accept ~/...<br>
|
||
195838 VEX abort: LibVEX_N_SPILL_BYTES too small for CPUID boilerplate <br>
|
||
195860 WARNING: unhandled syscall: unix:223 <br>
|
||
196528 need a error suppression for pthread_rwlock_init under os x? <br>
|
||
197227 Support aio_* syscalls on Darwin<br>
|
||
197456 valgrind should reject --suppressions=(directory) <br>
|
||
197512 DWARF2 CFI reader: unhandled CFI instruction 0:10 <br>
|
||
197591 unhandled syscall 27 (mincore) <br>
|
||
197793 Merge DCAS branch to the trunk == 85756, 142103<br>
|
||
197794 Avoid duplicate filenames in Vex <br>
|
||
197898 make check fails on current SVN <br>
|
||
197901 make check fails also under exp-ptrcheck in current SVN <br>
|
||
197929 Make --leak-resolution=high the default <br>
|
||
197930 Reduce spacing between leak reports <br>
|
||
197933 Print command line of client at start-up, and shorten preamble <br>
|
||
197966 unhandled syscall 205 (x86-linux, --tool=exp-ptrcheck)<br>
|
||
198395 add BBV to the distribution as an experimental tool <br>
|
||
198624 Missing syscalls on Darwin: 82, 167, 281, 347 <br>
|
||
198649 callgrind_annotate doesn't cumulate counters <br>
|
||
199338 callgrind_annotate sorting/thresholds are broken for all but Ir <br>
|
||
199977 Valgrind complains about an unrecognized instruction in the<br>
|
||
atomic_incs test program<br>
|
||
200029 valgrind isn't able to read Fedora 12 debuginfo <br>
|
||
200760 darwin unhandled syscall: unix:284 <br>
|
||
200827 DRD doesn't work on Mac OS X <br>
|
||
200990 VG_(read_millisecond_timer)() does not work correctly <br>
|
||
201016 Valgrind does not support pthread_kill() on Mac OS <br>
|
||
201169 Document --read-var-info<br>
|
||
201323 Pre-3.5.0 performance sanity checking <br>
|
||
201384 Review user manual for the 3.5.0 release <br>
|
||
201585 mfpvr not implemented on ppc <br>
|
||
201708 tests failing because x86 direction flag is left set <br>
|
||
201757 Valgrind doesn't handle any recent sys_futex additions <br>
|
||
204377 64-bit valgrind can not start a shell script<br>
|
||
(with #!/path/to/shell) if the shell is a 32-bit executable<br>
|
||
n-i-bz drd: fixed assertion failure triggered by mutex reinitialization.<br>
|
||
n-i-bz drd: fixed a bug that caused incorrect messages to be printed<br>
|
||
about memory allocation events with memory access tracing enabled<br>
|
||
n-i-bz drd: fixed a memory leak triggered by vector clock deallocation<br>
|
||
<br>
|
||
(3.5.0: 19 Aug 2009, vex r1913, valgrind r10846).<br>
|
||
<br>
|
||
<br>
|
||
<br>
|
||
Release 3.4.1 (28 February 2009)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
3.4.1 is a bug-fix release that fixes some regressions and assertion<br>
|
||
failures in debug info reading in 3.4.0, most notably incorrect stack<br>
|
||
traces on amd64-linux on older (glibc-2.3 based) systems. Various<br>
|
||
other debug info problems are also fixed. A number of bugs in the<br>
|
||
exp-ptrcheck tool introduced in 3.4.0 have been fixed.<br>
|
||
<br>
|
||
In view of the fact that 3.4.0 contains user-visible regressions<br>
|
||
relative to 3.3.x, upgrading to 3.4.1 is recommended. Packagers are<br>
|
||
encouraged to ship 3.4.1 in preference to 3.4.0.<br>
|
||
<br>
|
||
The fixed bugs are as follows. Note that "n-i-bz" stands for "not in<br>
|
||
bugzilla" -- that is, a bug that was reported to us but never got a<br>
|
||
bugzilla entry. We encourage you to file bugs in bugzilla<br>
|
||
(http://bugs.kde.org/enter_valgrind_bug.cgi) rather than mailing the<br>
|
||
developers (or mailing lists) directly -- bugs that are not entered<br>
|
||
into bugzilla tend to get forgotten about or ignored.<br>
|
||
<br>
|
||
n-i-bz Fix various bugs reading icc-11 generated debug info<br>
|
||
n-i-bz Fix various bugs reading gcc-4.4 generated debug info<br>
|
||
n-i-bz Preliminary support for glibc-2.10 / Fedora 11<br>
|
||
n-i-bz Cachegrind and Callgrind: handle non-power-of-two cache sizes,<br>
|
||
so as to support (eg) 24k Atom D1 and Core2 with 3/6/12MB L2.<br>
|
||
179618 exp-ptrcheck crashed / exit prematurely<br>
|
||
179624 helgrind: false positive races with pthread_create and<br>
|
||
recv/open/close/read<br>
|
||
134207 pkg-config output contains @VG_PLATFORM@<br>
|
||
176926 floating point exception at valgrind startup with PPC 440EPX<br>
|
||
181594 Bogus warning for empty text segment<br>
|
||
173751 amd64->IR: 0x48 0xF 0x6F 0x45 (even more redundant rex prefixes)<br>
|
||
181707 Dwarf3 doesn't require enumerations to have name<br>
|
||
185038 exp-ptrcheck: "unhandled syscall: 285" (fallocate) on x86_64<br>
|
||
185050 exp-ptrcheck: sg_main.c:727 (add_block_to_GlobalTree):<br>
|
||
Assertion '!already_present' failed.<br>
|
||
185359 exp-ptrcheck unhandled syscall getresuid()<br>
|
||
<br>
|
||
(3.4.1.RC1: 24 Feb 2008, vex r1884, valgrind r9253).<br>
|
||
(3.4.1: 28 Feb 2008, vex r1884, valgrind r9293).<br>
|
||
<br>
|
||
<br>
|
||
<br>
|
||
Release 3.4.0 (2 January 2009)<br>
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
|
||
3.4.0 is a feature release with many significant improvements and the<br>
|
||
usual collection of bug fixes. This release supports X86/Linux,<br>
|
||
AMD64/Linux, PPC32/Linux and PPC64/Linux. Support for recent distros<br>
|
||
(using gcc 4.4, glibc 2.8 and 2.9) has been added.<br>
|
||
<br>
|
||
3.4.0 brings some significant tool improvements. Memcheck can now<br>
|
||
report the origin of uninitialised values, the thread checkers<br>
|
||
Helgrind and DRD are much improved, and we have a new experimental<br>
|
||
tool, exp-Ptrcheck, which is able to detect overruns of stack and<br>
|
||
global arrays. In detail:<br>
|
||
<br>
|
||
* Memcheck is now able to track the origin of uninitialised values.<br>
|
||
When it reports an uninitialised value error, it will try to show<br>
|
||
the origin of the value, as either a heap or stack allocation.<br>
|
||
Origin tracking is expensive and so is not enabled by default. To<br>
|
||
use it, specify --track-origins=yes. Memcheck's speed will be<br>
|
||
essentially halved, and memory usage will be significantly<br>
|
||
increased. Nevertheless it can drastically reduce the effort<br>
|
||
required to identify the root cause of uninitialised value errors,<br>
|
||
and so is often a programmer productivity win, despite running more<br>
|
||
slowly.<br>
|
||
<br>
|
||
* A version (1.4.0) of the Valkyrie GUI, that works with Memcheck in<br>
|
||
3.4.0, will be released shortly.<br>
|
||
<br>
|
||
* Helgrind's race detection algorithm has been completely redesigned<br>
|
||
and reimplemented, to address usability and scalability concerns:<br>
|
||
<br>
|
||
- The new algorithm has a lower false-error rate: it is much less<br>
|
||
likely to report races that do not really exist.<br>
|
||
<br>
|
||
- Helgrind will display full call stacks for both accesses involved<br>
|
||
in a race. This makes it easier to identify the root causes of<br>
|
||
races.<br>
|
||
<br>
|
||
- Limitations on the size of program that can run have been removed.<br>
|
||
<br>
|
||
- Performance has been modestly improved, although that is very<br>
|
||
workload-dependent.<br>
|
||
<br>
|
||
- Direct support for Qt4 threading has been added.<br>
|
||
<br>
|
||
- pthread_barriers are now directly supported.<br>
|
||
<br>
|
||
- Helgrind works well on all supported Linux targets.<br>
|
||
<br>
|
||
* The DRD thread debugging tool has seen major improvements:<br>
|
||
<br>
|
||
- Greatly improved performance and significantly reduced memory<br>
|
||
usage.<br>
|
||
<br>
|
||
- Support for several major threading libraries (Boost.Thread, Qt4,<br>
|
||
glib, OpenMP) has been added.<br>
|
||
<br>
|
||
- Support for atomic instructions, POSIX semaphores, barriers and<br>
|
||
reader-writer locks has been added.<br>
|
||
<br>
|
||
- Works now on PowerPC CPUs too.<br>
|
||
<br>
|
||
- Added support for printing thread stack usage at thread exit time.<br>
|
||
<br>
|
||
- Added support for debugging lock contention.<br>
|
||
<br>
|
||
- Added a manual for Drd.<br>
|
||
<br>
|
||
* A new experimental tool, exp-Ptrcheck, has been added. Ptrcheck<br>
|
||
checks for misuses of pointers. In that sense it is a bit like<br>
|
||
Memcheck. However, Ptrcheck can do things Memcheck can't: it can<br>
|
||
detect overruns of stack and global arrays, it can detect<br>
|
||
arbitrarily far out-of-bounds accesses to heap blocks, and it can<br>
|
||
detect accesses heap blocks that have been freed a very long time<br>
|
||
ago (millions of blocks in the past).<br>
|
||
<br>
|
||
Ptrcheck currently works only on x86-linux and amd64-linux. To use<br>
|
||
it, use --tool=exp-ptrcheck. A simple manual is provided, as part<br>
|
||
of the main Valgrind documentation. As this is an experimental<br>
|
||
tool, we would be particularly interested in hearing about your<br>
|
||
experiences with it.<br>
|
||
<br>
|
||
* exp-Omega, an experimental instantaneous leak-detecting tool, is no<br>
|
||
longer built by default, although the code remains in the repository<br>
|
||
and the tarball. This is due to three factors: a perceived lack of<br>
|
||
users, a lack of maintenance, and concerns that it may not be<br>
|
||
possible to achieve reliable operation using the existing design.<br>
|
||
<br>
|
||
* As usual, support for the latest Linux distros and toolchain<br>
|
||
components has been added. It should work well on Fedora Core 10,<br>
|
||
OpenSUSE 11.1 and Ubuntu 8.10. gcc-4.4 (in its current pre-release<br>
|
||
state) is supported, as is glibc-2.9. The C++ demangler has been<br>
|
||
updated so as to work well with C++ compiled by even the most recent<br>
|
||
g++'s.<br>
|
||
<br>
|
||
* You can now use frame-level wildcards in suppressions. This was a<br>
|
||
frequently-requested enhancement. A line "..." in a suppression now<br>
|
||
matches zero or more frames. This makes it easier to write<br>
|
||
suppressions which are precise yet insensitive to changes in<br>
|
||
inlining behaviour.<br>
|
||
<br>
|
||
* 3.4.0 adds support on x86/amd64 for the SSSE3 instruction set.<br>
|
||
<br>
|
||
* Very basic support for IBM Power6 has been added (64-bit processes only).<br>
|
||
<br>
|
||
* Valgrind is now cross-compilable. For example, it is possible to<br>
|
||
cross compile Valgrind on an x86/amd64-linux host, so that it runs<br>
|
||
on a ppc32/64-linux target.<br>
|
||
<br>
|
||
* You can set the main thread's stack size at startup using the<br>
|
||
new --main-stacksize= flag (subject of course to ulimit settings).<br>
|
||
This is useful for running apps that need a lot of stack space.<br>
|
||
<br>
|
||
* The limitation that you can't use --trace-children=yes together<br>
|
||
with --db-attach=yes has been removed.<br>
|
||
<br>
|
||
* The following bugs have been fixed. Note that "n-i-bz" stands for<br>
|
||
"not in bugzilla" -- that is, a bug that was reported to us but<br>
|
||
never got a bugzilla entry. We encourage you to file bugs in<br>
|
||
bugzilla (http://bugs.kde.org/enter_valgrind_bug.cgi) rather than<br>
|
||
mailing the developers (or mailing lists) directly.<br>
|
||
<br>
|
||
n-i-bz Make return types for some client requests 64-bit clean<br>
|
||
n-i-bz glibc 2.9 support<br>
|
||
n-i-bz ignore unsafe .valgrindrc's (CVE-2008-4865)<br>
|
||
n-i-bz MPI_Init(0,0) is valid but libmpiwrap.c segfaults<br>
|
||
n-i-bz Building in an env without gdb gives bogus gdb attach<br>
|
||
92456 Tracing the origin of uninitialised memory<br>
|
||
106497 Valgrind does not demangle some C++ template symbols<br>
|
||
162222 ==106497<br>
|
||
151612 Suppression with "..." (frame-level wildcards in .supp files)<br>
|
||
156404 Unable to start oocalc under memcheck on openSUSE 10.3 (64-bit)<br>
|
||
159285 unhandled syscall:25 (stime, on x86-linux)<br>
|
||
159452 unhandled ioctl 0x8B01 on "valgrind iwconfig"<br>
|
||
160954 ppc build of valgrind crashes with illegal instruction (isel)<br>
|
||
160956 mallinfo implementation, w/ patch<br>
|
||
162092 Valgrind fails to start gnome-system-monitor<br>
|
||
162819 malloc_free_fill test doesn't pass on glibc2.8 x86<br>
|
||
163794 assertion failure with "--track-origins=yes"<br>
|
||
163933 sigcontext.err and .trapno must be set together<br>
|
||
163955 remove constraint !(--db-attach=yes && --trace-children=yes)<br>
|
||
164476 Missing kernel module loading system calls<br>
|
||
164669 SVN regression: mmap() drops posix file locks<br>
|
||
166581 Callgrind output corruption when program forks<br>
|
||
167288 Patch file for missing system calls on Cell BE<br>
|
||
168943 unsupported scas instruction pentium<br>
|
||
171645 Unrecognised instruction (MOVSD, non-binutils encoding)<br>
|
||
172417 x86->IR: 0x82 ...<br>
|
||
172563 amd64->IR: 0xD9 0xF5 - fprem1<br>
|
||
173099 .lds linker script generation error<br>
|
||
173177 [x86_64] syscalls: 125/126/179 (capget/capset/quotactl)<br>
|
||
173751 amd64->IR: 0x48 0xF 0x6F 0x45 (even more redundant prefixes)<br>
|
||
174532 == 173751<br>
|
||
174908 --log-file value not expanded correctly for core file<br>
|
||
175044 Add lookup_dcookie for amd64<br>
|
||
175150 x86->IR: 0xF2 0xF 0x11 0xC1 (movss non-binutils encoding)<br>
|
||
<br>
|
||
Developer-visible changes:<br>
|
||
<br>
|
||
* Valgrind's debug-info reading machinery has been majorly overhauled.<br>
|
||
It can now correctly establish the addresses for ELF data symbols,<br>
|
||
which is something that has never worked properly before now.<br>
|
||
<br>
|
||
Also, Valgrind can now read DWARF3 type and location information for<br>
|
||
stack and global variables. This makes it possible to use the<br>
|
||
framework to build tools that rely on knowing the type and locations<br>
|
||
of stack and global variables, for example exp-Ptrcheck.<br>
|
||
<br>
|
||
Reading of such information is disabled by default, because most<br>
|
||
tools don't need it, and because it is expensive in space and time.<br>
|
||
However, you can force Valgrind to read it, using the<br>
|
||
--read-var-info=yes flag. Memcheck, Helgrind and DRD are able to<br>
|
||
make use of such information, if present, to provide source-level<br>
|
||
descriptions of data addresses in the error messages they create.<br>
|
||
<br>
|
||
(3.4.0.RC1: 24 Dec 2008, vex r1878, valgrind r8882).<br>
|
||
(3.4.0: 3 Jan 2009, vex r1878, valgrind r8899).<br>
|
||
<br>
|
||
</p></div>
|
||
</div>
|
||
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|
||
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||
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|
||
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|
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|
||
<td width="20%" align="center"><a accesskey="u" href="dist.html">Up</a></td>
|
||
<td rowspan="2" width="40%" align="right"> <a accesskey="n" href="dist.news.old.html">3. OLDER NEWS >></a>
|
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|
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|
||
<tr><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td></tr>
|
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