Ubuntu
xserver-xorg-video-intel package

  1. Bug #993187
  2. Comment #15

Comment 15 for bug 993187

Revision history for this message
Christophe (touil1976) wrote : Re: ubuntu 12.04 64bit completely freezes frequently

I think this could help. The bug just appeared again as I was within a gnome classic (WITH effects) session with my ubuntu 12.04 64 bits.

So it looks like it's really a issue of compiz and not really a bug in unity.