[Bug 87163] GPU hang when using Chromium

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87163

--- Comment #3 from Donjan <bryonak at freenet.de> ---
This is most certainly not a duplicate of #62373 as the symptoms don't match
(no hard lockups, using SMPlayer as default without any freezes so far).

I regularly (roughly twice a week) observe this bug while watching YouTube
videos with Chromium on two otherwise flawlessly working Intel HD Graphics
(Sandy Bridge and Ivy Bridge) laptops. It tends to crop up more often when
using external monitors, and there have been no lockups without Chromium
running so far.

The workaround is to either wait a few minutes or (which I generally do) to
switch to a virtual console and back, which kills Chromium.

With the latter, my syslog at the corresponding time says:

Mar 25 15:59:39 sorin kernel: [13603.322727] [drm] stuck on render ring
Mar 25 15:59:39 sorin kernel: [13603.322729] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Mar 25 15:59:39 sorin kernel: [13603.322729] [drm] GPU hangs can indicate a bug
anywhere in the entire gfx stack, including userspace.
Mar 25 15:59:39 sorin kernel: [13603.322729] [drm] Please file a _new_ bug
report on bugs.freedesktop.org against DRI -> DRM/Intel
Mar 25 15:59:39 sorin kernel: [13603.322730] [drm] drm/i915 developers can then
reassign to the right component if it's not a kernel issue.
Mar 25 15:59:39 sorin kernel: [13603.322730] [drm] The gpu crash dump is
required to analyze gpu hangs, so please always attach it.
Mar 25 15:59:39 sorin kernel: [13603.515187] detected fb_set_par error, error
code: -22
Mar 25 15:59:41 sorin kernel: [13605.297718] traps: compiz[2561] trap divide
error ip:7fcb2dafd8de sp:7fff9114a610 error:0 in
libstaticswitcher.so[7fcb2daf0$
Mar 25 15:59:43 sorin kernel: [13607.239522] [UFW BLOCK] IN=eth0 OUT=
MAC=01:00:5e:00:00:01:c8:2a:14:12:08:00:08:00 SRC=143.129.131.124 DST=224.0.0.1
LEN=44$
Mar 25 15:59:45 sorin gnome-session[2500]: WARNING: Application
'compiz.desktop' killed by signal 8
Mar 25 15:59:45 sorin gnome-session[2500]: WARNING: App 'compiz.desktop'
respawning too quickly
Mar 25 15:59:45 sorin gnome-session[2500]: CRITICAL: We failed, but the fail
whale is dead. Sorry....

Can also provide the 2.3MB drm/card0/error or any other logfiles if needed.

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