ghc-err-info

gatoatigrado@oliver:~> ghc --version
The Glorious Glasgow Haskell Compilation System, version 7.0.4
gatoatigrado@oliver:~> ghc-pkg list
/usr/local/lib/ghc-7.0.4/package.conf.d
   Cabal-1.10.2.0
   GLUT-2.1.2.1
   HTTP-4000.1.1
   HUnit-1.2.2.3
   OpenGL-2.2.3.0
   QuickCheck-2.4.0.1
   array-0.3.0.2
   base-4.3.1.0
   bin-package-db-0.0.0.0
   bytestring-0.9.1.10
   cgi-3001.1.7.4
   containers-0.4.0.0
   deepseq-1.1.0.2
   directory-1.1.0.0
   extensible-exceptions-0.1.1.2
   ffi-1.0
   fgl-5.4.2.3
   filepath-1.2.0.0
   ghc-7.0.4
   ghc-binary-0.5.0.2
   ghc-prim-0.2.0.0
   haskell-platform-2011.2.0.1
   haskell-src-1.0.1.4
   haskell2010-1.0.0.0
   haskell98-1.1.0.1
   hpc-0.5.0.6
   html-1.0.1.2
   integer-gmp-0.2.0.3
   mtl-2.0.1.0
   network-2.3.0.2
   old-locale-1.0.0.2
   old-time-1.0.0.6
   parallel-3.1.0.1
   parsec-3.1.1
   pretty-1.0.1.2
   process-1.0.1.5
   random-1.0.0.3
   regex-base-0.93.2
   regex-compat-0.93.1
   regex-posix-0.94.4
   rts-1.0
   stm-2.2.0.1
   syb-0.3
   template-haskell-2.5.0.0
   text-0.11.0.6
   time-1.2.0.3
   transformers-0.2.2.0
   unix-2.4.2.0
   xhtml-3000.2.0.1
   zlib-0.5.3.1
/home/gatoatigrado/.ghc/x86_64-linux-7.0.4/package.conf.d
   MaybeT-0.1.2
   QuickCheck-2.4.0.1
   QuickCheck-2.4.1.1
   aeson-0.3.2.9
   attoparsec-0.9.1.1
   binary-0.5.0.2
   blaze-builder-0.3.0.1
   blaze-builder-enumerator-0.2.0.2
   blaze-textual-0.2.0.0
   case-insensitive-0.2.0.2
   cmdargs-0.7
   cpphs-1.12
   criterion-0.5.0.10
   diffarray-0.1
   double-conversion-0.2.0.0
   enumerator-0.4.13.1
   erf-2.0.0.0
   hashable-1.1.2.1
   hashmap-1.2.0.0
   hashtables-1.0.0.0
   haskell-src-exts-1.11.1
   haskell-src-meta-0.4.0.1
   heap-1.0.0
   hoogle-4.2.5
   hslogger-1.1.4
   http-types-0.6.5.1
   language-c-0.3.2.1
   loop-while-1.0.0
   monad-par-0.1.0.1
   mtl-1.1.1.1
   mwc-random-0.9.0.0
   non-negative-0.1
   numeric-prelude-0.2.2
   primitive-0.3.1
   random-1.0.0.3
   repa-2.1.1.2
   safe-0.3
   simple-sendfile-0.1.2
   stateref-0.3
   statistics-0.9.0.0
   storable-record-0.0.2.4
   tagsoup-0.12.2
   text-0.11.1.5
   th-lift-0.5.3
   time-1.2.0.5
   uniplate-1.6
   unix-compat-0.2.2
   unordered-containers-0.1.4.0
   utility-ht-0.0.6
   vector-0.7.1
   vector-algorithms-0.4
   wai-0.4.1
   warp-0.4.3
gatoatigrado@oliver:~> ghc-pkg check
gatoatigrado@oliver:~>