#2131: concprog001(threaded2) occasional failures.
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Reporter: simonmar | Owner: simonmar
Type: bug | Status: new
Priority: normal | Milestone: 6.10 branch
Component: Runtime System | Version: 6.8.2
Severity: normal | Keywords:
Difficulty: Rocket Science | Testcase: concprog001
Architecture: Unknown | Os: Unknown
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This one has so far resisted my attempts to debug it. The most common
error is "thread blocked indefinitely": I don't know whether it's a bug in
the RTS or allowed behaviour for this program, but it only seems to occur
on a multiprocessor with `+RTS -N2`, and only in one out of 10 runs or so.
Also I've seen
* hanging using 100% CPU without apparently making any progress
* another type of crash I didn't make a note of at the time.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2131>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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