This is a known bug in 6.4.1, I don't have a link off-hand (you should be able to find more info from Google though). You have a missing package dependency somewhere (the error message should be reporting a missing package rather than "unknown exceptino").
Cheers, Simon On 19 December 2005 09:08, Simon Peyton-Jones wrote: > That should never happen. It's 'impossible', after all. If you can > give us a little repro script we'll look into it. > > You are a genius at finding GHC bugs :-) > > Simon > >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:glasgow-haskell-bugs- [EMAIL PROTECTED] On Behalf Of Joel >> Reymont >> Sent: 18 December 2005 11:20 >> To: glasgow-haskell-bugs@haskell.org >> Cc: Simon Marlow >> Subject: The impossible happened >> >> ghc -O --make -debug randomplay.hs -o randomplay -lssl -lcrypto -lz >> >> ghc-6.4.1: ghc-6.4.1: panic! (the `impossible' happened, GHC version >> 6.4.1): >> unknown exception >> >> Please report it as a compiler bug to >> glasgow-haskell-bugs@haskell.org, >> or http://sourceforge.net/projects/ghc/. >> >> I unregistered my library package, registered again and tried to make >> the program that was using it. The program consists of two modules >> and they were built and not touched, thus no rebuild. >> >> Got the error above. Removed *.o and *.hi for the two program modules >> and the rebuild went smoothly. >> >> -- >> http://wagerlabs.com/ >> >> >> >> >> >> _______________________________________________ >> Glasgow-haskell-bugs mailing list >> Glasgow-haskell-bugs@haskell.org >> http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs _______________________________________________ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs