Simon Peyton Jones via ghc-devs <ghc-devs@haskell.org> writes:
> I'm trying to update my installation of alex, on Unix (Ubuntu).  But I get the dump below
> It's complaining about a lock file being an invalid argument (see highlight below).
> If I manually remove the file I get past that, it successfully
> installs tf-random, but the same thing happens on the next package. So
> I can install packages one at a time, but that's silly.

Hmm. Here's a shot in the dark: is home home directory mounted via NFS
by any chance?