With semaphore set to "0" on 2.6.39-0.5~20110427: [ 5136.145217] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer elapsed... blt ring idle [waiting on 1132622, at 1132622], missed IRQ? [ 5382.346399] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer elapsed... blt ring idle [waiting on 1242913, at 1242913], missed IRQ? [ 5551.951435] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer elapsed... blt ring idle [waiting on 1327817, at 1327817], missed IRQ?
It's actually easy to reproduce this (at least on my system): just click the ubuntu menu in the upper left corner, and start typing in the search box until the UI freezes for 1-2 seconds. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/761065 Title: [Sandybridge] Spurious "*ERROR* Hangcheck timer elapsed... blt ring idle" messages in dmesg when using compiz -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
