[GHC] #7993: ghc 7.6 (not 7.4) sometimes hangs at child process exit on s390x

[GHC]

#7993: ghc 7.6 (not 7.4) sometimes hangs at child process exit on s390x
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              Reporter:  cjwatson        |            Owner:
                  Type:  bug             |           Status:  infoneeded
              Priority:  normal          |        Milestone:
             Component:  Runtime System  |          Version:  7.6.3
            Resolution:                  |         Keywords:
      Operating System:  Linux           |     Architecture:  Other
       Type of failure:  Other           |       Difficulty:  Unknown
             Test Case:                  |       Blocked By:
              Blocking:                  |  Related Tickets:
Differential Revisions:                  |
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Changes (by thomie):

 * status:  new => infoneeded


Comment:

 Does this problem still occur with 7.8.3?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7993#comment:5>
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