It happen also for me. It happens only when during a video reproduction by vlc screensaver or energy savig engage. I'm using Kubuntu LTS with only canonical ropository.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1199201 Title: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1199201/+subscriptions _______________________________________________ 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