[Haskell-cafe] ghci seg faulting, have no idea why.

this just started happening, don't know why. Could anyone offer suggestions, troubleshooting methods? 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. Segmentation fault