Report it as a GHC bug to the GHC team, here:
http://hackage.haskell.org/trac/ghc/newticket?type=bug
if you believe it is a bug.
Cheers,
Don
anishmuttreja:
> Hi,
> I have a program that seems to run into occasional garbage
> collection-related core dumps. The problem typically only occurs after the
> program has been running for a while and is consuming a large amount of
> memory (5 - 16GB). The large memory consumption is expected because the
> program analyzes very large traces from verilog simulation and needs to
> maintain IntMaps with hundreds of thousands of entries.
>
> Is this a bug that I should report?I am afraid that my employer will not
> allow me to share my source code. I do have a stack trace, below.
> This was obtained using ghc 6.10.1, RTS -N2 on an RHEL 4 machine.
>
> Is there something I can do trace the problem or avoid it?
>
> Thanks.
> PS: This is my first Haskell program and one of the most complicated I
> ever wrote, in any language. Using Haskell has been (mostly :-)) a joy.
>
> (gdb) where
> #0 0x0000000000612f40 in slowIsHeapAlloced ()
> #1 0x000000000060f868 in evacuate ()
> #2 0x0000000000618d12 in scavenge_block ()
> #3 0x0000000000617c8d in scavenge_loop ()
> #4 0x0000000000610b25 in scavenge_until_all_done ()
> #5 0x0000000000610d02 in gc_thread_entry ()
> #6 0x000000000064859d in start_thread (arg=<value optimized out>)
> at pthread_create.c:297
> #7 0x000000000069e739 in clone ()
> #8 0x0000000000000000 in ?? ()
>
> --
> As an adolescent I aspired to lasting fame, I craved factual certainty,
> and I thirsted for a meaningful vision of human life - so I became a
> scientist. This is like becoming an archbishop so you can meet girls.
> -Matt Cartmill, anthropology professor and author (1943- )
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