[GHC] #8515: Biographical profiling (-hb) crashes, other profiling modes have truncated output

[GHC]

#8515: Biographical profiling (-hb) crashes, other profiling modes have truncated
output
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       Reporter:  blitzcode       |             Owner:  simonmar
           Type:  bug             |            Status:  new
       Priority:  normal          |         Milestone:
      Component:  Runtime System  |           Version:  7.6.3
       Keywords:                  |  Operating System:  MacOS X
   Architecture:  x86             |   Type of failure:  Runtime crash
     Difficulty:  Unknown         |         Test Case:
     Blocked By:                  |          Blocking:
Related Tickets:                  |
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 I have a (non-trivial) threaded program which always crashes with a Bus
 Error when running with +RTS -hb. gdb didn't provide much useful
 information. Valgrind seems to have some issues with Haskell programs, but
 here is what it spits out:

 jacky: ioManagerDie: write: Bad file descriptor
 ==56255== Invalid read of size 4
 ==56255==    at 0x1AAC4BD: LdvCensusForDead (in ./jacky)
 ==56255==    by 0x1ABBAAC: scheduleDoGC (in ./jacky)
 ==56255==    by 0x1ABBEBE: exitScheduler (in ./jacky)
 ==56255==  Address 0x9c88090 is 0 bytes inside a block of size 8 free'd
 ==56255==    at 0x3E7511F: realloc (vg_replace_malloc.c:525)
 ==56255==    by 0x1AB9E77: stgReallocBytes (in ./jacky)
 ==56255==
 ==56255== Invalid read of size 4
 ==56255==    at 0x1AAC4BD: LdvCensusForDead (in ./jacky)
 ==56255==  Address 0x9c88090 is 0 bytes inside a block of size 8 free'd
 ==56255==    at 0x3E7511F: realloc (vg_replace_malloc.c:525)
 ==56255==    by 0x1AB9E77: stgReallocBytes (in ./jacky)

 ==56251== Invalid read of size 4
 ==56251==    at 0x1AAC4BD: LdvCensusForDead (in ./jacky)
 ==56251==    by 0x1ABBAAC: scheduleDoGC (in ./jacky)
 ==56251==    by 0x1ABBEBE: exitScheduler (in ./jacky)
 ==56251==  Address 0x9c88090 is 0 bytes inside a block of size 8 free'd
 ==56251==    at 0x3E7511F: realloc (vg_replace_malloc.c:525)
 ==56251==    by 0x1AB9E77: stgReallocBytes (in ./jacky)
 ==56251==
 ==56251== Invalid read of size 4
 ==56251==    at 0x1AAC4BD: LdvCensusForDead (in ./jacky)
 ==56251==  Address 0x9c88090 is 0 bytes inside a block of size 8 free'd
 ==56251==    at 0x3E7511F: realloc (vg_replace_malloc.c:525)
 ==56251==    by 0x1AB9E77: stgReallocBytes (in ./jacky)

 running with +'RTS -hb -s' gets us this from valgrind:

 jacky(56272,0xa0707540) malloc: *** error for object 0x4c05684: incorrect
 checksum for freed object - object was probably modified after being
 freed.
 *** set a breakpoint in malloc_error_break to debug
 jacky(56272,0xa0707540) malloc: *** error for object 0x4c03894: incorrect
 checksum for freed object - object was probably modified after being
 freed.
 ...

 The program seems to work just fine when running without profiling.
 Profiling modes other than -hb haven't crashed so far, but it seems the
 output is truncated. Cost-center profiling seems to work the most
 reliable, but all the other memory profiling options only output data for
 the first few seconds, even when the program runs for minutes.

 I haven't managed to narrow this one down further in the program, please
 let me know if this is already helpful or if I need to provide more
 information.

 I also attached the OS X crash report file.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8515>
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