[GHC] #11615: ghci -threaded

GHC ghc-devs at haskell.org
Sat Feb 20 19:55:21 UTC 2016


#11615: ghci -threaded
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        Reporter:  franz             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      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:                    |
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Comment (by franz):

 I have some more information about the problem: I found out that the
 problem occurs only when I run "cabal exec ghci +RTS -N". When I run it
 without "cabal exec", getNumCapabilities returns the correct number of
 kernels, but within "cabal exec ghci +RTS -N" or "cabal repl +RTS -N", the
 number of kernels is 1. (Even though also "cabal exec ghci +RTS --info"
 contains "_thr"!

 Any ideas?

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11615#comment:3>
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