#8209: Race condition in setNumCapabilities -------------------------------------+---------------------------------- Reporter: akio | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Runtime System | Version: 7.7 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: x86_64 (amd64) Type of failure: Runtime crash | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+---------------------------------- Comment (by parcs): Perhaps related, I am getting a rare deadlock with this test case: === Test.hs {{{ import GHC.Conc main :: IO () main = do setNumCapabilities 2 setNumCapabilities 3 }}} === Command Line {{{ $ ghc-stage2 -threaded Test.hs [1 of 1] Compiling Main ( Test.hs, Test.o ) Linking Test ... $ while true; do ./B; echo -n .; done .............................................<eventually stops> }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8209#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler