You have been subscribed to a public bug: see also here http://ubuntuforums.org/showthread.php?t=1305459
for some reasons the upgrade brakes the graphic driver, xserver or so. this means a flickering screen without the possibility to login or startx. ** Affects: xorg (Ubuntu) Importance: High Status: New -- upgrade breaks graphic drivers and x, preventing login or startx https://bugs.edge.launchpad.net/bugs/464591 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg 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