Ubuntu
xserver-xorg-video-ati package

  1. Bug #565835
  2. Comment #13

Comment 13 for bug 565835

Revision history for this message
Bryce Harrington (bryce) wrote : Re: [RV250] User switching breaks X-session(s)

Andreas, yes that's right.

Another idea, if you uninstall gnome-screensaver does the issue go away? If so then this is probably a dupe of bug #546578