unknown exception

Compiling hsgnutls-0.2.1, get the following error:

Glasgow Haskell Compiler, Version 6.4.1, for Haskell
98, compiled by GHC version 6.4
Using package config file: /usr/lib/ghc-6.4.1/package.conf
Hsc static flags: -static
*** Chasing dependencies:
Chasing modules from: Setup.lhs
*** Literate pre-processor
/usr/lib/ghc-6.4.1/unlit -h Setup.lhs Setup.lhs
/tmp/ghc15830.lpp
Stable modules:
*** Compiling Main             ( Setup.lhs, Setup.o ):
compile: input file /tmp/ghc15830.lpp
*** Checking old interface for Main:
Skipping  Main             ( Setup.lhs, Setup.o )
*** Deleting temp files
Deleting: /tmp/ghc15830.s
Warning: deleting non-existent /tmp/ghc15830.s
Upsweep completely successful.
*** Deleting temp files
Deleting:
link: linkables are ...
LinkableM (Thu Nov 10 09:33:46 CST 2005) Main
   [DotO Setup.o]
Linking ...
*** Deleting temp files
Deleting: /tmp/ghc15830.lpp
ghc-6.4.1: ghc-6.4.1: panic! (the `impossible'
happened, GHC version 6.4.1):
        unknown exception

This occured after I unregistered Cabal-1.0 , and
installed Cabal 1.1.1.  The compilation went fine
before this.

Trac metadata

Trac field	Value
Version	6.4.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	ResolvedFixed
Component	Compiler
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