[snb] GPU hang ecode 6:0:0x85fffffc, in gnome-shell 
Submitted by Sumit Anantwar
Assigned to Intel 3D Bugs Mailing List
Created attachment 137010 GP Crash Dump
GPU Hang was observed, and the below explanation was found in dmesg. GPU crash dump is attached.
[Jan28 22:39] [drm] GPU HANG: ecode 6:0:0x85fffffc, in gnome-shell , reason: Hang on rcs0, action: reset [ +0.000002] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ +0.000000] [drm] Please file a new bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ +0.000001] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ +0.000000] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ +0.000001] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ +0.000052] i915 0000:00:02.0: Resetting chip after gpu hang
Attachment 137010, "GP Crash Dump":