[Bug 101041] New: [i965] GPU HANG: ecode 4:0:0x8644f8fe, in chrome [1674], reason: Hang on render ring, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101041

            Bug ID: 101041
           Summary: [i965] GPU HANG: ecode 4:0:0x8644f8fe, in chrome
                    [1674], 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: cdouglass at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 131354
  --> https://bugs.freedesktop.org/attachment.cgi?id=131354&action=edit
/sys/class/drm/card0/error

I encounter a hang during which X does not respond to key or mouse events and
recovery some seconds later. The following messages are from a tail of dmesg.

```
[ 1204.829037] [drm] GPU HANG: ecode 4:0:0x8644f8fe, in chrome [1674], reason:
Hang on render ring, action: reset
[ 1204.829040] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 1204.829041] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 1204.829042] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 1204.829043] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 1204.829044] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 1205.136582] drm/i915: Resetting chip after gpu hang
[ 1215.140428] drm/i915: Resetting chip after gpu hang
[ 1413.363513] perf: interrupt took too long (4910 > 4908), lowering
kernel.perf_event_max_sample_rate to 40500
[ 1425.134080] drm/i915: Resetting chip after gpu hang
[ 1437.128358] drm/i915: Resetting chip after gpu hang
[ 1449.123365] drm/i915: Resetting chip after gpu hang
[ 1459.143450] drm/i915: Resetting chip after gpu hang
[ 1462.794884] [drm] HPD interrupt storm detected on connector VGA-1: switching
from hotplug detection to polling

```

Thinkpad R16

uname -a
Linux thicky 4.9.0-0.bpo.2-rt-amd64 #1 SMP PREEMPT RT Debian 4.9.18-1~bpo8+1
(2017-04-10) x86_64 GNU/Linux

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