[GHC] #13751: Runtime crash with <<loop>> after concurrent stressing of STM computations

[GHC]

#13751: Runtime crash with <<loop>> after concurrent stressing of STM computations
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        Reporter:  literon           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.2.1
       Component:  Runtime System    |              Version:  8.0.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Runtime crash     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  10414             |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonmar):

 I reproduced it too.  It does look like a lost wakeup somewhere in the
 blackhole handling code, but I haven't narrowed it down further yet.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13751#comment:5>
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