Hmm, it sort of sounds like you've gotten your system into a weird configuration. You may want to try doing a reinstall of mesa, xserver, the kernel, and video driver (or just reinstall the whole system if that's easier).
Alternately, we have a new 2.7 version of the -intel driver available you could try, available at: https://edge.launchpad.net/~ubuntu-x-swat/+archive/x-updates/ ** Changed in: xserver-xorg-video-intel (Ubuntu) Status: Confirmed => Incomplete -- [i965gm] Corrupted X after enabling UXA, unable to log into KDE (UXA bug) https://bugs.launchpad.net/bugs/364479 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs