It happened again. I tried to shutdown from terminal, it apparently worked but in fact it does not. Had to reboot :-(
kern.log: Sep 18 00:27:42 ayida kernel: [264012.588056] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung Sep 18 00:27:42 ayida kernel: [264012.588073] render error detected, EIR: 0x00000000 Sep 18 00:27:42 ayida kernel: [264012.588109] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 21692688 at 21692687) ** Attachment added: "xorg.log after hang" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/594129/+attachment/1600099/+files/xorg.log ** Summary changed: - X crashs on Intel 945 card (task i915:679 blocked for more than 120 seconds/GPU hung) + X crashs on Intel 945 video (GPU hung: render error detected/task i915: blocked for more than 120 seconds) ** Also affects: xserver-xorg-video-intel Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: Incomplete => New -- X crashs on Intel 945 video (GPU hung: render error detected/task i915: blocked for more than 120 seconds) https://bugs.launchpad.net/bugs/594129 You received this bug notification because you are a member of Ubuntu-X, which is the registrant for xf86-video-intel. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

