I'm affected with a similar bug, only happened once, the GPU seemed wedged, so I took the dmesg log from SSH, I wasn't able to get a console with Sysrq, Xorg, compiz, i915 were all deadlocked.
** Attachment added: "i915-frozen-dmesg.log" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/481349/+attachment/1766224/+files/i915-frozen-dmesg.log -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. https://bugs.launchpad.net/bugs/481349 Title: [i915g] Karmic: intel i915 crash (locked up - had to power off) _______________________________________________ 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
