Hi, I may have a similar bug or even a duplicate. See bug #642825 if you are interested.
For me, running normal updates fixed half of the issue - I did at one point get the 'render ring head not reset to zero' output, but after updates I only get 'hangcheck_timer_elapsed'. -- [gm45] Running piglit/occlusion-query-discard locks GPU https://bugs.launchpad.net/bugs/634683 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