[Bug 92964] New: [drm] stuck on render ring GPU_Hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92964

            Bug ID: 92964
           Summary: [drm] stuck on render ring  GPU_Hang
           Product: DRI
           Version: unspecified
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: Manuel.h87 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 119685
  --> https://bugs.freedesktop.org/attachment.cgi?id=119685&action=edit
dmesg log (cut)

Hello,

I'm using Arch Linux and experience these GPU hangs occassionally (usually when
using firefox) at least once a week since I updated from 3.11-something to
4.2.5-1-ARCH. I also tried the lts Kernel 4.1.12-1 which has got the same
problem.
As a result, some windows are messed up (like a hurrican went through my
desktop); some windows are not affected at all. Usually, firefox is affected
and especially video playback stays messed up - but I don't know how helpful
that is.

I have not tested the nightly build (I just read about it) so I'm sorry for
that... I have prepared everything following the instructions of 'dmesg' which
are a lot different... I will read through the instructions and add the logs
and debugs ASAP.

--- Instructions ---
[ 6131.999503] [drm] stuck on render ring
[ 6132.006259] [drm] GPU HANG: ecode 3:0:0x7c7effc1, in Xorg [427], reason:
Ring hung, action: reset
[ 6132.006268] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 6132.006272] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 6132.006276] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 6132.006280] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 6132.006283] [drm] GPU crash dump saved to /sys/class/drm/card0/error

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