[GHC] #3758: Huge regression in concurrent app performance and reliability under threaded runtime

[GHC]

#3758: Huge regression in concurrent app performance and reliability under
threaded runtime
-------------------------------+--------------------------------------------
    Reporter:  bos             |        Owner:  simonmar     
        Type:  bug             |       Status:  new          
    Priority:  high            |    Milestone:  6.12.2       
   Component:  Runtime System  |      Version:  6.12.1       
    Keywords:                  |   Difficulty:               
          Os:  Linux           |     Testcase:               
Architecture:  x86_64 (amd64)  |      Failure:  Runtime crash
-------------------------------+--------------------------------------------

Comment(by simonmar):

 Bryan: if you had a chance to test
 [http://www.haskell.org/ghc/dist/6.12.2-rc1/
  6.12.2 RC1], that would be most helpful, thanks.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3758#comment:17>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler