Please take a look at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/476874/comments/4 it looks like a bug in gdm.
** Package changed: xserver-xorg-video-intel (Ubuntu) => gdm (Ubuntu) -- Cannot start X after today Karmic upgrade https://bugs.launchpad.net/bugs/476874 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm in ubuntu. -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
