[GHC] #840: GHC on "loosing" its handles takes 100% CPU

[GHC]

#840: GHC on "loosing" its handles takes 100% CPU
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  Reporter:  guest     |          Owner:         
      Type:  bug       |         Status:  new    
  Priority:  normal    |      Milestone:         
 Component:  Compiler  |        Version:  6.4.2  
  Severity:  normal    |     Resolution:         
  Keywords:            |             Os:  Windows
Difficulty:  Unknown   |   Architecture:  x86    
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Comment (by simonpj):

 Sigbjorn says "If any of you are running into this while invoking
 "ghci.exe", you may want to play with using "ghc.exe --interactive"
 instead to see if that improves matters. Not using "ghci.exe" avoids a
 layer of sub-process'ery and console event handling nonsense; a culprit,
 perhaps?"

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/840>
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