<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [snb 3.5] stale semaphore sync seqno (typically as seen on bcs->rcs)" href="https://bugs.freedesktop.org/show_bug.cgi?id=54226#c86">Comment # 86</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [snb 3.5] stale semaphore sync seqno (typically as seen on bcs->rcs)" href="https://bugs.freedesktop.org/show_bug.cgi?id=54226">bug 54226</a> from <a class="email" href="mailto:cwawak@redhat.com" title="Christopher Wawak <cwawak@redhat.com>"> Christopher Wawak</a> <pre>Created <a href="attachment.cgi?id=79979" name="attach_79979" title="i915_error_state - 3.9.2-201.rhbz879823.fc18.x86_64 (included patch write mbox regs twice on snb, v2)">attachment 79979</a> <a href="attachment.cgi?id=79979&action=edit" title="i915_error_state - 3.9.2-201.rhbz879823.fc18.x86_64 (included patch write mbox regs twice on snb, v2)">[details]</a> i915_error_state - 3.9.2-201.rhbz879823.fc18.x86_64 (included patch write mbox regs twice on snb, v2) Linux bobloblaw 3.9.2-201.rhbz879823.fc18.x86_64 #1 SMP Thu May 16 13:35:12 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux [45482.757631] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung [45482.757645] [drm] capturing error event; look for more information in/sys/kernel/debug/dri/0/i915_error_state [45482.766942] [drm:kick_ring] *ERROR* Kicking stuck semaphore on render ring [45482.770617] [drm:__gen6_gt_force_wake_get] *ERROR* Timed out waiting for forcewake old ack to clear. I added patch (drm/i915: Resurrect ring kicking for semaphores, selectively) to Fedora 18's 3.9.2-200 x86_64 kernel.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>