Sounds like a bug in the graphics driver. Can you please attach your /etc/X11/xorg.conf?
(This bug belongs to linux-restricted-modules-2.6.19 or xserver-xorg- driver-xxx. It will be reassigned when we have your xorg.conf to determine the driver you use). ** Changed in: apport (Ubuntu) Sourcepackagename: apport => xorg Status: Unconfirmed => Needs Info -- automatically log out https://launchpad.net/bugs/72959 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs