[GHC] #9148: tryReadMVar locks up the process with +RTS -N2 or greater

[GHC]

#9148: tryReadMVar locks up the process with +RTS -N2 or greater
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        Reporter:  simonmar          |            Owner:  simonmar
            Type:  bug               |           Status:  new
        Priority:  highest           |        Milestone:  7.8.3
       Component:  Runtime System    |          Version:  7.8.2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Runtime crash     |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by Simon Marlow <marlowsd@…>):

 In [changeset:"96a95f0513de785a185fd8a46c7ed2643f698295/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="96a95f0513de785a185fd8a46c7ed2643f698295"
 Fix missing unlockClosure() call in tryReadMVar (#9148)
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9148#comment:2>
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