[Bug 103065] New: GPU HANG: ecode 9:0:0x42edb95c, in Xorg [3895], reason: Hang on render ring, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103065

            Bug ID: 103065
           Summary: GPU HANG: ecode 9:0:0x42edb95c, in Xorg [3895],
                    reason: Hang on render ring, action: reset
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: ewfalor at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 134624
  --> https://bugs.freedesktop.org/attachment.cgi?id=134624&action=edit
/sys/class/drm/card0/error contents

Some Google Chrome and Opera gets into a state where their windows do not
update, and the programs appear unresponsive. Some of their child processes
will begin using 100% CPU.

My other X11 programs remain unaffected (mostly urxvt).

Logging out of Xorg is not sufficient to restore functionality; I must I go
down to runlevel 1 and back the problem goes away.

I finally noticed the following in my dmesg:

[  +4.013261] [drm] GPU HANG: ecode 9:0:0x42edb95c, in Xorg [3895], reason:
Hang on render ring, action: reset
[  +0.000003] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  +0.000001] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  +0.000001] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  +0.000001] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[  +0.000002] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  +0.000058] drm/i915: Resetting chip after gpu hang
[  +0.001575] [drm] RC6 on
[  +0.016133] [drm] GuC firmware load skipped
[  +9.965862] drm/i915: Resetting chip after gpu hang
[  +0.001992] [drm] RC6 on
[  +0.018227] [drm] GuC firmware load skipped

Please find the dri error log attached

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