[Haskell-cafe] SIGSEGV in yieldCapability ()

Erik Hesselink hesselink at gmail.com
Mon May 23 10:55:34 CEST 2011

On Sun, May 22, 2011 at 15:03, Johannes Waldmann
<waldmann at imn.htwk-leipzig.de> wrote:
>>  I think you should file a bug report with a test case
>> on GHC.
> I am willing to work on this, but I thought I'd go fishing for some
> advice first. My program uses: forkIO, STM, and FFI.

I've seen something like this, using only forkIO, so I'd start looking
there. I was trying to create a reduced test case, but haven't
reported a bug yet.

> I think that "heap exhausted" sometimes gets reported
> as "evacuate: strange closure",
> (cf.  http://hackage.haskell.org/trac/ghc/ticket/5085 )
> and yieldCapability() might be another instance.

Thank you, we just had this message, and I had no idea what it was.


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