[GHC] #13970: Segmentation fault inside threadPaused

[GHC]

#13970: Segmentation fault inside threadPaused
-------------------------------------+-------------------------------------
        Reporter:  albertov          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Runtime System    |              Version:  8.2.1-rc3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by albertov):

 My hunch was wrong. Substituting HashMap for Map in the variable stored in
 a TMVar which threads contend for did not eliminate the segfaults. It made
 them much more frequent however.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13970#comment:11>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler