[Bug 93434] [drm] GPU HANG: ecode 8:2:0x94027ff6, in gnome-shell [2406], reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93434

yann <yann.argotti at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #2 from yann <yann.argotti at intel.com> ---
(In reply to Chris Wilson from comment #1)
> The register state is very inconsistent. What it looks like is the blitter
> ringbuffer became corrupt causing that engine to implode. There is a hope
> that since this a bug after resume, this is fixed by
> 
> commit 0c82312f3f15538f4e6ceda2a82caee8fbac4501
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Fri Dec 4 16:05:26 2015 +0000
> 
>     drm/i915: Pin the ifbdev for the info->system_base GGTT mmapping

Closing this old bug, assuming this is fixed from Chris'comment. Please reopen
if this is occurring again.

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