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 325328 __float128 loses precision under memcheck 8 == 197915 9 326821 Double overflow/underflow handling broken (after exp()) 10 327285 amd64->IR: 0x8F 0xEA 0xF8 0x10 0xCE 0x3 0x1D 0x0 11 == 323431 (probably amd specific, vpcmov) 12 328357 amd64->IR: 0x8F 0xEA 0xF8 0x10 0xEF 0x3 0x5 0x0 (amd XOP pfx) 13 329245 amd64->IR: 0x48 0xF 0x5A 0x7 (rex.W cvtps2pd (%rdi),%xmm0) 14 330319 amd64->IR: 0xF 0x1 0xD5 0x31 0xC0 0xC3 0x48 0x8D (xend) 15 330590 Missing support for multiple VEX CMP instruction Opcodes (Causes SIGILL) 16 330808 Crash with Intel IPP samples (MMX related assertion) 17 18 === VEX/arm ============================================================ 19 20 329963 Half precision floating point conversion on ARM is not supported 21 330349 Endless loop happen when using lackey with --trace-mem=yes on ARM 22 331178 disInstr(arm): unhandled instruction: 0xEE190F1D (read PMCCNTR) 23 Probably WONTFIX or CANTFIX 24 == 328423 25 26 === VEX/x86 ============================================================ 27 28 333625 Program under valgrind calculates complex exp() wrongly 29 30 === VEX/mips =========================================================== 31 32 327223 Support for Cavium MIPS Octeon Atomic and Count Instructions 33 328147 vex mips->IR: unhandled instruction bytes: 0x0 0x0 0x0 0xE 34 35 === VEX/ppc ============================================================ 36 37 334384 Valgrind does not have support Little Endian support for 38 IBM POWER PPC 64 39 40 === VEX general ======================================================== 41 42 326026 Iop names for count leading zeros/sign bits incorrectly imply a 43 "signedness" in incoming lanes 44 330887 doRegisterAllocation performance improvements 45 46 === Syscalls/ioctls ==================================================== 47 48 330594 Missing sysalls on PowerPC / uClibc 49 331311 Valgrind shows open files in /proc/self/fd that don't 50 work for the process 51 Probable wontfix 52 333434 In some weird corner case Valgrind cannot execute 53 executable files symlinked by /proc/self/fd (related to 331311?) 54 331476 Patch to handle ioctl 0x5422 on Linux (x86 and amd64) (landable?) 55 331829 Unexpected ioctl opcode sign extension 56 333051 handling hugepages (is largely broken) 57 333788 Valgrind does not support the CDROM_DISC_STATUS ioctl (has patch) 58 333817 Valgrind reports the memory areas written to by the SG_IO 59 ioctl as untouched 60 334585 recvmmsg unhandled (+patch) (arm) 61 62 === Debuginfo reader =================================================== 63 64 327427 ifunc wrapper crashes when symbols are discarded because of false mmap 65 overlaps 66 328454 add support Backtraces with ARM unwind tables (EXIDX) (wishlist) 67 328468 unwind x86/amd64 gcc <= 4.4 compiled code does not unwind properly 68 at "ret" instruction 69 328559 Some back trace generation (from mmap function) problem on ARM 70 330321 Serious error when reading debug info: 71 DW_AT_signature 9b d0 55 13 bb 1e e9 37 72 333175 dwarf3 reader problems with Fortran 73 74 === Tools/Memcheck ===================================================== 75 76 329619 leak-check gets assertion failure when nesting VALGRIND_MALLOCLIKE_BLOCK 77 329694 clang warns about using uninitialized variable 78 330617 ppc false positive conditional jump depends on uninitialised value 79 331833 the memory initialized by semget(key, 0, GETALL, semun) 80 is treated as uninitialized on some platforms 81 82 331550 Detect the potential of mis-malloc/free in different libraries 83 (wishlist) 84 333775 Wishlist: Have valgrind (memcheck) only check memory 85 alloc/free traces 86 87 === Tools/DRD ========================================================== 88 89 333072 DRD: semaphore annotations 90 91 === Tools/Helgrind ===================================================== 92 93 325333 VALGRIND_HG_DISABLE_CHECKING does not seem to work locally 94 probably invalid 95 327548 Helgrind: false positive while destroying mutex 96 327881 Helgrind: False Positive Warning on std::atomic_bool 97 98 === Tools/SGCheck ====================================================== 99 100 332577 exp-sgcheck: sg_main.c:560 (add_blocks_to_StackTree): 101 Assertion '!already_present' failed. 102 332591 False positive: invalid read in vfprintf (KNOWN BUG) 103 104 === Tools/Massif ======================================================= 105 106 332765 ms_print reports bad error if temp file can't be created 107 in current directory 108 109 === Tools/Cachegrind =================================================== 110 111 333501 [cachegrind - 3.9] LL cache configuration not supported: 112 Cache set count is not a power of two. 113 114 === other/mips ========================================================= 115 116 325538 cavim octeon mips64, valgrind reported "dumping core" and 117 "Assertion 'sizeof(*regs) == sizeof(prs->pr_reg)' failed. 118 QUERIED, maybe closable 119 328441 valgrind_3.9.0 failed to compile in mips32 120 Error: illegal operands `cfc1 $t0,$31' 121 331126 Compiling with mipsbe toolchain 122 331314 [MIPS]Valgrind crash just after startup 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 126 127 === other/arm ========================================================== 128 129 327583 libpixman error on ARM system (memcheck false +) 130 331033 valgrind crashes on arm-linux while running an executable (ARM TLS?) 131 132 === other/s390 ========================================================= 133 134 327943 s390x missing index/strchr suppression for ld.so (bad backtrace?) 135 136 === other/MacOS ======================================================== 137 138 326724 Valgrind does not compile on OSX 1.9 Mavericks 139 326797 Assertion 'sizeof(UWord) == sizeof(UInt)' failed. 140 327745 valgrind 3.9.0 build fails on Mac OS X 10.6.8 141 330257 LLVM does not support `-mno-dynamic-no-pic` option 142 333248 WARNING: unhandled syscall: unix:443 143 144 === GDB server ========================================================= 145 146 328081 embedded gdbserver and non-stop mode (wishlist) 147 148 === Output ============================================================= 149 150 328563 make track-fds support xml output 151 152 === MPI ================================================================ 153 154 330147 libmpiwrap: byte count from PMPI_Get_count should be made defined 155 156 === Documentation ====================================================== 157 158 332060 Please document how best to use massif with libgc 159 332917 Valgrind should warn the user that SSE4 is not supported 160 in the 32-bit mode 161 162 === Uncategorised ====================================================== 163 164 326487 child of debugged process exits without becoming zombie 165 327665 out of memory error 166 328721 MSVC 2008 compiler warns about while(0) in warning level 4 167 330293 Please add a AppData application description (Valkyrie) 168 333628 Out of tree build 169 == 256174 170 334110 Why install internal headers/libraries/.pc file? 171 172 ======================================================================== 173 ======================================================================== 174 175 335034 Unhandled ioctl: HCIGETDEVLIST 176 334936 patch to fix false positives on alsa SNDRV_CTL_* ioctls 177 333628 Out of tree build (is fixed, but needs to land) 178 335143 Capabilities not supported 179 197259 (wine) Unsupported arch_prtctl option 180
