<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [snb 3.5] stale semaphore sync seqno (typically as seen on bcs->rcs)" href="https://bugs.freedesktop.org/show_bug.cgi?id=54226#c161">Comment # 161</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [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:rootkit85@yahoo.it" title="Matteo Croce <rootkit85@yahoo.it>"> Matteo Croce</a> <pre>same happens with 3.15.0 on Ubuntu 14.04 64 bit Jul 11 12:43:41 localhost kernel: [42049.462542] [drm] stuck on render ring Jul 11 12:43:41 localhost kernel: [42049.463330] [drm] GPU HANG: ecode 0:0x00ffffff, in chrome [2172], reason: Ring hung, action: reset Jul 11 12:43:41 localhost kernel: [42049.463334] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. Jul 11 12:43:41 localhost kernel: [42049.463335] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel Jul 11 12:43:41 localhost kernel: [42049.463336] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. Jul 11 12:43:41 localhost kernel: [42049.463337] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. Jul 11 12:43:41 localhost kernel: [42049.463338] [drm] GPU crash dump saved to /sys/class/drm/card0/error Jul 11 12:43:43 localhost kernel: [42051.464623] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off Jul 11 12:43:47 localhost kernel: [42055.468816] [drm] stuck on render ring Jul 11 12:43:47 localhost kernel: [42055.469614] [drm] GPU HANG: ecode 0:0x00ffffff, in chrome [2172], reason: Ring hung, action: reset Jul 11 12:43:49 localhost kernel: [42057.470899] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off Jul 11 12:43:53 localhost kernel: [42061.439056] [drm] stuck on render ring Jul 11 12:43:53 localhost kernel: [42061.439867] [drm] GPU HANG: ecode 0:0xfeffffff, in chrome [2172], reason: Ring hung, action: reset</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>