[Bug 76491] [hsw regression] stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76491

--- Comment #5 from bruno.pagani at ens-lyon.org ---
Created attachment 96633
  --> https://bugs.freedesktop.org/attachment.cgi?id=96633&action=edit
/sys/class/drm/card0/error

At random times, my screen freezes and I have to restart X. Nothing appears in
X.org log, but there is this in dmesg:

[ 6513.878111] [drm] stuck on render ring
[ 6513.878120] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 6513.878123] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 6513.878124] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 6513.878126] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 6513.878128] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.

Then the log get spammed with the first of those lines. I think this started to
happen like a month ago (either from mesa, intel or kernel update), together
with random font rendering corruption (where random set of letters are replaced
with black boxes).

I’m running an up-to-date arch linux install, on a Core i7-4702HQ.

So I think I may be affected too. However, I don’t know how I could help you in
any way, I’m new to bugreporting.

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