Created attachment 99501 [details]
GPU crash dump
[26080.485217] [drm] stuck on render ring
[26080.486099] [drm] GPU HANG: ecode 0:0x85dffffd, in Xorg , reason: Ring hung, action: reset
[26080.486100] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[26080.486101] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[26080.486101] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[26080.486102] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[26080.486102] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[26082.484549] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
X.Org X Server 1.15.1
Release Date: 2014-04-13
*** This bug has been marked as a duplicate of bug 78533 ***