1 2 Created Mon Sep 8 13:22:16 CEST 2014. All new bugs after this point 3 go in here. 4 5 === VEX/amd64 ========================================================== 6 7 339596 vex amd64->IR: 0x8F 0xE8 0x78 0xCD 0xC1 0x4 0xC5 0xF9 8 XOP/FMA -- should take, but not before 3.11 release 9 10 340469 vex amd64->IR: unhandled instruction bytes: 0x66 0xA7 11 Not clear what's going on here 12 Probably legit, but low impact (few users) 13 14 342988 INT 80 not recognised on amd64 15 Probably legit, but low impact (few users) 16 17 349304 vex amd64->IR: 0xF 0x33 0x89 0x45 0xFC 0x89 0x55 0xF8 (rdpmc) 18 Is going to be difficult to do 19 20 === VEX/arm ============================================================ 21 22 342780 arm + gcc 4.9 produce false positive: Use of uninitialised value of 23 size 4 and segfault on stack extention 24 Has patch 25 DEFER till 3.11.1 unless I can repro in the wild 26 27 344802 disInstr(arm): unhandled instruction: 0xEC510F1E 28 maybe easy fix? 29 but doesn't run natively either 30 31 348536 ARM32: Unhandled instructions 0xEE190F1D & 0xEC510F1E 32 == 331178 33 34 === VEX/arm64 ========================================================== 35 36 === VEX/x86 ============================================================ 37 38 339416 unhandled instruction bytes 0xC5 0xF1 0xEF 0xC9 39 (possible AVX on 32-bit, can't tell) 40 41 340849 unsupported AVX instruction on 32 bit 42 we should WONTFIX this 43 44 342192 Unhandled instruction on OS X 10.9 in libsystem_m.dylib 45 possibly a wontfix 46 47 344139 vex x86->IR: 0x36 0x8A 0x18 0x22 (and many other examples) 48 stack segment overrides 49 50 344547 vex x86->IR: 0xC5 0xF8 0x77 0xE9 51 avx on x86 52 53 345261 Unsupported instruction 0xC5 0xFB 0x10 0x44 (vmovsd 54 0x8(%esp),%xmm0) 55 avx on x86 56 57 348749 guest_generic_x87.c:458: bad ? : operator 58 59 349891 vex x86->IR: unhandled instruction bytes: 0xF3 0xF 0xB8 0xC9 60 61 350062 3.11 SVN cannot start application (x86 ROUNDSD ?) 62 63 === VEX/mips =========================================================== 64 65 340777 Illegal instruction on mips (ar71xx) 66 67 344524 store conditional of guest applications always fail (Octeon3(MIPS) 68 discussed, complex, partial fix available 69 70 === VEX/ppc ============================================================ 71 72 342610 disInstr(ppc): declined to decode an AltiVec insn. 73 74 === VEX/s390x ========================================================== 75 76 === VEX general ======================================================== 77 78 === Syscalls/ioctls ==================================================== 79 80 339424 Full support of KVM ioctl 81 In progress -- maybe can be closed? QUERIED 82 83 341537 POST(sys_io_getevents) shouldn't check iocb or iovec 84 Hard to fix (inter-syscall dependencies) 85 86 335143 Capabilities not supported 87 == 342009 88 possibly unfixable 89 90 342040 Valgrind mishandles clone with CLONE_VFORK | CLONE_VM that clones 91 to a different stack 92 Nothing happened so far 93 94 342809 mremap fails when protection is enabled 95 Possibly to do with huge pages (is it == 348269 ?) 96 97 343099 Linux setns syscall wrapper missing, unhandled syscall: 308 98 HAS PATCH. Check that mayBlock is enabled. 99 100 345077 linux syscall execveat support (linux 3.19) 101 QUERIED -- how critical is it? 102 103 345414 WARNING: unhandled syscall: 317 (sys_seccomp) 104 Requires investigation 105 106 348616 Wine/valgrind: Warning: noted but unhandled ioctl 0x5390 with 107 no size/direction hints. (DVD_READ_STRUCT) 108 (from AustinE) 109 110 349952 Valgrind terminates process upon a call to remap_file_pages 111 112 350228 Unhandled ioctl 0x6458 (i965/mesa) 113 (from AustinE) 114 115 351029 factor our m_sigframe functions 116 (wishlist) 117 118 === Debuginfo reader =================================================== 119 120 327427 ifunc crash when symbols are discarded 121 unclear what to do 122 123 330321 debuginfo readers complain about DT_AT_signature 124 no action so far 125 126 339744 warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0xf2 127 Has comments from MJW 128 129 340854 valgrind-di-server: allow specification of multiple paths 130 has patch, unclear if Right Thing To Do 131 132 344052 Cost of dynamically loaded library is not properly linked to 133 source code lines if the library is unloaded before exit 134 This is the usual "debuginfo not available after dlclose" problem 135 136 345975 Artificial functions in backtrace 137 more Dwarf complexity 138 139 === Tools/Memcheck ===================================================== 140 141 340392 Incorrect "Conditional jump..." message 142 Optimised code a la Clang 143 Probable CANTFIX 144 (but should we add a command line flag for it?) 145 146 345307 Please suppress warning about "still reachable" memory 147 when using libstdc++ from gcc 5 148 149 345751 OS X: Incorrect result for operator Iop_Add32 and Iop_Add64 150 due to mce.useLLVMworkarounds = True 151 Probably harmless 152 153 345753 OS X: sanityCheckFail: exiting due to bad IR for Iop_AddF64 154 IR type error; should look at it 155 NEEDS INVESTIGATION. I can't repro this. 156 157 345811 annotate also FP for memcheck dirty helpers 158 has patch, should commit 159 NEEDS INVESTIGATION 160 161 350405 Support for Intel DPDK custom allocator rte_malloc 162 Seems dubious 163 164 350928 mc_malloc_wrappers.c:244 (in_block_list): 165 Assertion 'found_mc == mc' failed 166 NEEDS INVESTIGATION, Has patch 167 168 === Tools/DRD ========================================================== 169 === Tools/Helgrind ===================================================== 170 171 339330 Feature request: Add support for C++11's std::atomic 172 Helgrind 173 174 340905 hg_main.c:291 (lockN_acquire_reader): Assertion 'lk->kind 175 == LK_rdwr' failed. 176 against 3.8.1 177 178 345121 helgrind/tests/hg05_race2 fails intermittently 179 180 === Tools/SGCheck ====================================================== 181 182 340021 sgcheck tool does not work properly on ARM 183 == 296166 184 185 === Tools/Massif ======================================================= 186 187 342353 Allow dumping full massif output while valgrind is still running 188 Has patch 189 190 350934 massif VALGRIND INTERNAL ERROR: Valgrind received a signal 7 (SIGBUS) 191 192 === Tools/Cachegrind =================================================== 193 194 === Tools/Lackey ======================================================= 195 196 343385 Improve lackey's address traces 197 w/ several patches 198 199 === other/mips ========================================================= 200 201 341036 dumping core and Assertion 'sizeof(*regs) == sizeof(prs->pr_reg) 202 possibly a dup of 328670 ? 203 204 341481 MIPS64: Iop_CmpNE32 triggers false warning on MIPS64 platforms 205 (memcheck) 206 207 342356 MIPS: determine page size at runtime 208 Has patch; could possibly land? 209 210 345763 MIPS N32 ABI support 211 various patches, no upstream action so far 212 213 348924 MIPS: Load doubles through memory so the code compiles with the FPXX ABI 214 215 === other/ppc ========================================================== 216 217 350496 unhandled instruction: 0xE8040000 for powerpc e6500 218 e500 ? 219 220 === other/arm ========================================================== 221 222 348252 ARM: test vcvt_fixed_float_VFP causes compiler errors 223 224 348325 Valgrind becomes noisy when compiled with gcc 4.9 225 226 === other/s390 ========================================================= 227 === other/tilegx ======================================================= 228 229 345921 Add TileGX instruction set test in non/tests/tilegx/ 230 231 === other/Android ====================================================== 232 233 339605 vgpreload_helgrind-arm-linux.so is not liked to libc.so 234 and can't find sched_yield, pthread_self and so on 235 recent Android 236 237 339861 Remove Elf32_Nhdr definition for Android 238 uh, do we want this? Requires conditionalisation. 239 240 339862 v6intThumb.c does not compile when -pie options is specified 241 should possible takes; causes build failures on newer Android 242 Might be important 243 244 339945 Patch: replace #if !defined (VGPV_*_linux_android) with 245 #ifndef AT_FPUCW (probably WONTFIX) 246 247 341704 [patch] Remove unnecessary ifdef android for 'sh' 248 do we want this? 249 250 341726 [patch] Remove uneccessary ifdef _android_ from launcher-linux.c 251 do we want this? 252 253 === other/OS X ======================================================== 254 255 338781 Unable to read debug information (3.10.0 BETA1) 256 257 339745 Valgrind crash when check Marmalade app 258 WONTFIX Requires 64 bit support in client application Marmalade 259 260 343306 OS X 10.10: UNKNOWN mach_msg unhandled MACH_SEND_TRAILER option 261 Partially fixed 262 263 348909 Support OS X 10.11 (El Capitan) 264 265 349128 Access not within mapped region in _pthread_find_thread (OS X 10.11) 266 267 349129 memcheck/tests/wrap6 fails on OS X 10.11 268 269 349521 Valgrind misses some line numbers in output on OS X 10.11 270 271 349804 wine/osx: mmap-FIXED(0x1000, 1073741824) failed in UME (load_segment2) 272 273 351632 UNKNOWN fcntl 97 on OS X 10.11 274 275 === other/Win32 ======================================================= 276 277 344382 Memcheck has high false error rates on MSVC2013 compiled, 278 optimised, code in progress 279 fixed, but preffed off 280 281 === GDB server ========================================================= 282 283 348358 describe should show info about main stack guard page 284 285 === Output ============================================================= 286 287 339405 Adds ability to invoke a script in order to determine a 288 log-file name for a child being forked 289 Has plausible patch, should take, but needs test case 290 291 342423 Log files should have the history 'execve' calls in them 292 Wishlist 293 294 351043 Invalid XML output when tracing into forked child processes 295 296 === MPI ================================================================ 297 298 === Documentation ====================================================== 299 300 340571 x86/Linux should no longer claim "almost complete" 301 302 === Uncategorised/run ================================================== 303 304 326487 child of debugged process exits without becoming zombie 305 fork can fail if it receives a signal? 306 307 339160 Running signal handler with alternate stack allocated on current 308 stack crashes callgrind 309 m_stacks.c brokenness? 310 311 343357 Please fix semaphore starvation when running threads-per-CPU 312 Unclear if we should do anything 313 314 343715 valgrind hangs after vgdb help request 315 316 350491 Handling of nested scripts 317 Bizarre 318 319 === Uncategorised/build================================================= 320 321 343553 e500 chip now supports it? and,how about armv5 322 323 344019 new tool: trackptr to track pointer usage 324 325 344401 x32 ABI support 326 327 348342 Valgrind does not support android-x86_64 328 329 349954 Cannot start memcheck: permission denied 330 331 ======================================================================== 332 ======================================================================== 333 ======================================================================== 334 335 arm64 critical regtest fails: 336 getregset.stderr.out sys 117, ptrace 337 proc-auxv no auxv? 338 memcheck/tests/linux/stack_changes asserts 339 sigaltstack.stderr.out segfaults -- host seems broken too 340 recursive signal delivery (!) 341 342 ======================================================================== 343 ======================================================================== 344 ======================================================================== 345 346 Check: space recovery in aspacemgr segnames array re-implemented? 347 Check: missing copyright notices in include/vki/*xen*.h 348 Check: update copyright dates in source files 349 350 Wed 12 Aug 15:52:27 CEST 2015 351
