Bug#661253: Same problem here

[Diederik de Haas]

On Monday 05 March 2012 15:42:57 Mark Fletcher wrote:
> Anyway, the pretty-much-universally recommended solution is to downgrade
> to 290.10 -- which I would do except that I don't have the packages
> anymore as I did an aptitude autoclean after the last upgrade... Where
> can I get my hands on the old packages now? They don't seem to be in the
> debian package pool any more...

http://snapshot.debian.org/

I have no (practical) experience with it, but the explanation on the site should suffice.

HTH,
  Diederik