If you have Intel GM965 graphics then this could be xserver-xorg-video- intel driver bug, Ubuntu X developers, please confirm this bug or assign to another package. Btw, there is a post in Ubuntu forums about the same problem, look at http://ubuntuforums.org/showthread.php?t=1287511
** Package changed: ubuntu => xserver-xorg-video-intel (Ubuntu) -- white screen with colored vertical lines https://bugs.launchpad.net/bugs/403866 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp