#2563: With -N4: "internal error: RELEASE_LOCK: I do not own this lock: Task.c
269"
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Reporter: TomMD | Owner:
Type: bug | Status: closed
Priority: normal | Milestone: 6.10.1
Component: Compiler | Version: 6.8.2
Severity: normal | Resolution: duplicate
Keywords: | Difficulty: Unknown
Testcase: | Architecture: x86_64 (amd64)
Os: Linux |
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Changes (by simonmar):
* status: new => closed
* resolution: => duplicate
Comment:
This works fine with 6.10 (actually it was probably #2192 that fixed it,
in 6.8.3).
Incedentally, if you want the program to really work in parallel, you'll
have to change the definition of `hashAndPrint` to something like this:
{{{
hashAndPrint str f = do
bs <- L.readFile f
let z = f ++ ": " ++ show (md5 bs)
seq (length z) $ putMVar str z
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2563#comment:2>
GHC <http://www.haskell.org/ghc/>
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