Confirmed! This bug (blt ring idle) seems to be fixed on 2.6.38-11. There are still issues and other GPU hungs though - after 2 seconds of playing sauerbraten in full-screen:
[ 54.562391] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung [ 54.563417] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -11 (awaiting 36628 at 36618, next 36629) Don't know if it's related to this bug though. Seems to be related to xserver-xorg-intel. The whole sandy bridge GPU issues are really annoying. And this nearly 8 months after first sandy bridge release ... -- 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/761065 Title: [Sandybridge] Spurious "*ERROR* Hangcheck timer elapsed... blt ring idle" messages in dmesg when using compiz To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/761065/+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