#8402: throwTo segfaults under -prof -threaded -with-rtsopts=N2 ----------------------------------+---------------------------------- Reporter: akio | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.7 Resolution: | Keywords: Operating System: Linux | Architecture: x86_64 (amd64) Type of failure: Runtime crash | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: ----------------------------------+---------------------------------- Comment (by akio): I see many different stack traces from this program, here is one of them: {{{ Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7ffff56fe700 (LWP 14605)] 0x00000000008382d4 in overwritingClosure (p=0x7ffff6007a38) at includes/rts/storage/ClosureMacros.h:500 500 ((StgThunk *)(p))->payload[i] = 0; (gdb) bt #0 0x00000000008382d4 in overwritingClosure (p=0x7ffff6007a38) at includes/rts/storage/ClosureMacros.h:500 #1 0x0000000000830eb4 in doneWithMsgThrowTo (m=0x7ffff6007a38) at rts/Messages.h:25 #2 0x0000000000831a52 in maybePerformBlockedException (cap=0xbbc0c0, tso=0x7ffff60079b0) at rts/RaiseAsync.c:539 #3 0x000000000083aa9f in threadPaused (cap=0xbbc0c0, tso=0x7ffff60079b0) at rts/ThreadPaused.c:209 #4 0x0000000000852dc5 in stg_returnToSchedButFirst () #5 0x0000000000000000 in ?? () }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8402#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler