[Bug 104520] Intermittent X crashes: GPU HANG: ecode 9:0:0x85dffffb, in Xorg [443], reason: Hang on rcs0, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104520

--- Comment #22 from Alif Wahid <alif.wahid at gmail.com> ---
Created attachment 140127
  --> https://bugs.freedesktop.org/attachment.cgi?id=140127&action=edit
Log dump from /sys/class/drm/card0/error after GPU hang (as printed in dmesg
output).

I see this error intermittently when running the Xilinx Vivado v2016.4 software
on my Ubuntu 16.04 LTS desktop (kernel 4.4.0, Intel core i5-6400 cpu with Intel
skylake-gt2 gpu). Attached the full dump from /sys/class/drm/card0/error as
instructed by dmesg below.

[  255.622496] [drm] stuck on render ring
[  255.623115] [drm] GPU HANG: ecode 9:0:0x84dffff8, in Xorg [1006], reason:
Engine(s) hung, action: reset
[  255.623120] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  255.623122] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  255.623125] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  255.623127] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[  255.623130] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  255.624623] drm/i915: Resetting chip after gpu hang
[  257.622605] [drm] RC6 on
[  311.628103] [drm] stuck on render ring
[  311.628686] [drm] GPU HANG: ecode 9:0:0x84dffff8, in Xorg [1006], reason:
Engine(s) hung, action: reset
[  311.630227] drm/i915: Resetting chip after gpu hang
[  313.628765] [drm] RC6 on

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