Ubuntu
xserver-xorg-video-intel package

  1. Bug #577308
  2. Comment #16

Comment 16 for bug 577308

Revision history for this message
MoLE (moleonthehill) wrote : Re: computer freezes on screensaver after upgrade to 10.04

It appears you have run into an intermittent freezing bug with the intel graphics driver.

There is a wiki page with possible solutions you may want to try.
Probably the simplest is to boot from an older kernel and see if the problem recurs.

https://wiki.ubuntu.com/X/Bugs/Lucidi8xxFreezes