1 2 Bugs reported after Thu Sep 19 10:34:49 CEST 2013 3 For bugs reported before this time, see 3_8_BUGSTATUS.txt 4 5 === VEX/amd64 ========================================================== 6 7 276252 callgrind / valgrind + intel ipp h264 decoder gets killed in 8 intel optimised ipp libraries 9 325328 __float128 loses precision under memcheck 10 == 197915 11 327285 amd64->IR: 0x8F 0xEA 0xF8 0x10 0xCE 0x3 0x1D 0x0 12 == 323431 (probably amd specific, vpcmov) 13 328357 amd64->IR: 0x8F 0xEA 0xF8 0x10 0xEF 0x3 0x5 0x0 (amd XOP pfx) 14 329245 amd64->IR: 0x48 0xF 0x5A 0x7 (rex.W cvtps2pd (%rdi),%xmm0) 15 330590 Missing support for multiple VEX CMP instruction Opcodes (Causes SIGILL) 16 330808 Crash with Intel IPP samples (MMX related assertion) 17 335785 vex amd64->IR: 0xC4 0xE2 0x75 0x2F 0xAC 0x18 0x40 0x7 (vmovupd) 18 338393 vex amd64->IR: 0x6E 0xD8 0x48 0x89 0xE5 0x41 0x55 0xC4 19 338559 vex amd64->IR: 0x66 0x41 0xF 0x3A 0x61 0x4 0x0 0x18 (pcmpestri 0x18) 20 338602 AVX2 bit in CPUID missing 21 22 === VEX/arm ============================================================ 23 24 329963 Half precision floating point conversion on ARM is not supported 25 330349 Endless loop happen when using lackey with --trace-mem=yes on ARM 26 331178 disInstr(arm): unhandled instruction: 0xEE190F1D (read PMCCNTR) 27 Probably WONTFIX or CANTFIX 28 == 328423 29 335618 arm(thumb): unhanded instruction: mov.w rN, pc/sp 30 31 === VEX/arm64 ========================================================== 32 33 335440 arm64: ld1 (single structure) is not implemented 34 335713 arm64: unhanded instruction: prfm (immediate) (PREFETCH) 35 36 === VEX/x86 ============================================================ 37 38 333625 Program under valgrind calculates complex exp() wrongly 39 335563 wine's kernel32/thread test fails under valgrind (x87 FPU limitations) 40 41 === VEX/mips =========================================================== 42 43 === VEX/ppc ============================================================ 44 45 338095 Not able to run Valgrind on Power Architecture PPC Linux. 46 47 === VEX general ======================================================== 48 49 330887 doRegisterAllocation performance improvements 50 51 === Syscalls/ioctls ==================================================== 52 53 197259 (wine) Unsupported arch_prtctl option 54 331311 Valgrind shows open files in /proc/self/fd that don't 55 work for the process 56 Probable wontfix 57 333434 In some weird corner case Valgrind cannot execute 58 executable files symlinked by /proc/self/fd (related to 331311?) 59 333051 handling hugepages (is largely broken) 60 337388 fcntl works on Valgrind's own file descriptors 61 337716 False positive for openat system call with absolute paths 62 338877 sys_capget and sys_catset not correctly handled 63 64 === Debuginfo reader =================================================== 65 66 306340 parse_var_DIE confused by DWARF from clang-3.1 67 327427 ifunc wrapper crashes when symbols are discarded because of false mmap 68 overlaps 69 328468 unwind x86/amd64 gcc <= 4.4 compiled code does not unwind properly 70 at "ret" instruction 71 328559 Some back trace generation (from mmap function) problem on ARM 72 330321 Serious error when reading debug info: 73 DW_AT_signature 9b d0 55 13 bb 1e e9 37 74 333175 dwarf3 reader problems with Fortran (against 3.8.1) 75 335907 segfault when running wine's ddrawex/tests/surface.c under 76 valgrind (stack unwind, QUERIED) 77 338803 Handling of dwz debug alt files or cross-CU is broken 78 79 === Tools/Memcheck ===================================================== 80 81 329619 leak-check gets assertion failure when nesting 82 VALGRIND_MALLOCLIKE_BLOCK (has patch, needs looking at) 83 330617 ppc false positive conditional jump depends on uninitialised value 84 (probably fixable) 85 331833 the memory initialized by semget(key, 0, GETALL, semun) 86 is treated as uninitialized on some platforms 87 331550 Detect the potential of mis-malloc/free in different libraries 88 (wishlist) 89 333775 Have valgrind (memcheck) only check memory alloc/free traces (wishlist) 90 336393 Implement new user request to get redzone size (wishlist) 91 337794 memcheck: stack overflow segv message should show callstack (wishlist) 92 93 === Tools/DRD ========================================================== 94 95 === Tools/Helgrind ===================================================== 96 97 325333 VALGRIND_HG_DISABLE_CHECKING does not seem to work locally 98 probably invalid 99 327548 Helgrind: false positive while destroying mutex 100 327881 Helgrind: False Positive Warning on std::atomic_bool 101 337735 Helgrind does not know pthread_once is a memory barrier 102 103 === Tools/SGCheck ====================================================== 104 105 332577 exp-sgcheck: sg_main.c:560 (add_blocks_to_StackTree): 106 Assertion '!already_present' failed. 107 332591 False positive: invalid read in vfprintf (KNOWN BUG) 108 335353 expected output of exp-sgcheck/tests/hackedbz2 mismatch with gcc 4.8.1 109 110 === Tools/Massif ======================================================= 111 112 === Tools/Cachegrind =================================================== 113 114 338141 Cachegrind's Cycle Estimation is very different from the 115 free run 116 117 === other/mips ========================================================= 118 119 328441 valgrind_3.9.0 failed to compile in mips32 120 Error: illegal operands `cfc1 $t0,$31' 121 QUERIED 122 331126 Compiling with mipsbe toolchain 123 334649 Cavium Octeon 2 MIPS64: valgrind is up but ld.so assert 124 "rtld.c: 1257: dl_main: Assertion 125 '_rtld_local._dl_rtld_map.l_relocated' failed" and exits 126 336768 vex mips->IR: unhandled instruction bytes: 0x3B 0xE8 0x3 0xEC 127 (possibly invalid) 128 129 === other/arm ========================================================== 130 131 327583 libpixman error on ARM system (memcheck false +) 132 331033 valgrind crashes on arm-linux while running an executable (ARM TLS?) 133 134 === other/s390 ========================================================= 135 136 137 === other/MacOS ======================================================== 138 139 326797 Assertion 'sizeof(UWord) == sizeof(UInt)' failed. 140 POSSIBLY INVALID; QUERIED 141 327745 valgrind 3.9.0 build fails on Mac OS X 10.6.8 142 OLD; QUERIED. 143 144 === GDB server ========================================================= 145 146 328081 embedded gdbserver and non-stop mode (wishlist) 147 338633 gdbserver_tests/nlcontrolc.vgtest hangs on arm64 148 149 === Output ============================================================= 150 151 328563 make track-fds support xml output (wishlist) 152 153 === MPI ================================================================ 154 155 330147 libmpiwrap: byte count from PMPI_Get_count should be made defined 156 157 === Documentation ====================================================== 158 159 332060 Please document how best to use massif with libgc 160 332917 Valgrind should warn the user that SSE4 is not supported 161 in the 32-bit mode 162 163 === Uncategorised ====================================================== 164 165 326487 child of debugged process exits without becoming zombie 166 327665 out of memory error 167 328721 MSVC 2008 compiler warns about while(0) in warning level 4 168 330293 Please add a AppData application description (Valkyrie) 169 333628 Out of tree build (has incomplete patch) 170 == 256174 171 334110 Why install internal headers/libraries/.pc file? 172 334802 valgrind does not always explain why a given option is bad 173 335143 Capabilities not supported 174 337869 Eliminate fixed size buffers (in progress) 175 Hercules, Augean stables, etc 176 338252 CFLAGS="-flto" and VEX/pub/libvex_guest_offsets.h (wishlist) 177 338606 Strange error message for invalid interpreter 178 338365 New client request to fetch valgrind version (probably invalid) 179 QUERIED. PROBABLY INVALID. 180 181 ======================================================================== 182 ======================================================================== 183 184 338731 ppc testsuite does not build in case compiler doesnot support -maltivec 185 338781 Unable to read debug information (3.10.0 BETA1) (OSX) 186 338896 Valgrind refuses to run SUID programs 187 188 Mon Sep 8 13:20:50 CEST 2014 189
