[GHC] #2171: Parallel program crashes

[GHC]

#2171: Parallel program crashes
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 Reporter:  fed                              |          Owner:          
     Type:  bug                              |         Status:  new     
 Priority:  normal                           |      Milestone:  6.8.3   
Component:  Runtime System                   |        Version:  6.8.2   
 Severity:  critical                         |     Resolution:          
 Keywords:  parallel, crash, race condition  |     Difficulty:  Unknown 
 Testcase:                                   |   Architecture:  Multiple
       Os:  Multiple                         |  
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Comment (by simonmar):

 Can someone who can reproduce this bug please try the fix from #2192 (now
 pushed to HEAD)?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2171#comment:9>
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