#4245: ghci panic: thread blocked indefinitely in an MVar operation
-------------------------------+--------------------------------------------
Reporter: pturnbull | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 7.0.2
Component: GHCi | Version: 6.12.3
Keywords: MVar | Testcase:
Blockedby: | Difficulty:
Os: MacOS X | Blocking:
Architecture: x86_64 (amd64) | Failure: GHCi crash
-------------------------------+--------------------------------------------
Changes (by paterno):
* version: 7.0.1 => 6.12.3
* os: Unknown/Multiple => MacOS X
* architecture: x86 => x86_64 (amd64)
Comment:
I can verify this problem appears in the Mac OS X release as well.
My output is below.
{{{
bash-$ uname -a
Darwin thomas 10.6.0 Darwin Kernel Version 10.6.0: Wed Nov 10 18:11:58 PST
2010; root:xnu-1504.9.26~3/RELEASE_X86_64 x86_64
bash-$ ghci
GHCi, version 6.12.3: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package ffi-1.0 ... linking ... done.
Prelude>
[1]+ Stopped ghci
bash-$ fg
ghci
^C^C
Prelude>
ghc: panic! (the 'impossible' happened)
(GHC version 6.12.3 for i386-apple-darwin):
thread blocked indefinitely in an MVar operation
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4245#comment:8>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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