[Bug 76808] New: GPU crash with kernel 3.13.5 while playing video

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76808

          Priority: medium
            Bug ID: 76808
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: GPU crash with kernel 3.13.5 while playing video
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: freedesktop at jaseg.net
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 96630
  --> https://bugs.freedesktop.org/attachment.cgi?id=96630&action=edit
GPU crash dump

I am using a Lenovo x230. I was using the integrated display and an external
monitor via DisplayPort and watching a video in fullscreen on the integrated
display. The other monitor was just showing firefox. The video froze and I was
unable to close the window, though firefox on the second display and my window
manager stayed responsive. A couple of seconds later, both screens turned black
for a moment and afterwards the video continued to play. I still had to restart
X since my terminal started showing weird symbols instead of certain characters
(think: most are displayed correctly, but n and t are suddenly displayed as
something from an entirely differend unicode range). Since I re-started X,
everything is working fine again.

newton~ <3 X -version
X.Org X Server 1.15.0
Release Date: 2013-12-27
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.12.5-1-ARCH x86_64 
Current Operating System: Linux newton 3.13.5-1-ARCH #1 SMP PREEMPT Sun Feb 23
00:25:24 CET 2014 x86_64
Kernel command line: [censored]
Build Date: 09 January 2014  08:47:24AM
Current version of pixman: 0.32.4

newton~ <3 dmesg|tail
[71833.402842] [drm] stuck on render ring
[71833.402843] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[71833.402844] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[71833.402844] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[71833.402844] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[71833.402844] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.

PS: I think it is still kind of cool that my GPU can crash and I can just
restart X and continue to work like nothing happened. Thanks for the awesome
work!

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