[Bug 100362] New: gpu hang on ubuntu 14.04 - stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100362

            Bug ID: 100362
           Summary: gpu hang on ubuntu 14.04 - stuck on render ring
           Product: DRI
           Version: XOrg git
          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: paul59584 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 130404
  --> https://bugs.freedesktop.org/attachment.cgi?id=130404&action=edit
from syslog, includes trace

Hi,

Was seeing a lot of these using chrome with hardware acceleration. Not for a
while after starting to use --disable-gpu with chrome.
Just updated chrome from 39.0.2171.95-1 to 57.0.2987.110-1 yesterday and got
one of these. Was updated on a lot of machines but so far have only seen 1
hang. Still using  --disable-gpu.

from syslog

Mar 24 06:42:21 cafemedia035 kernel: [ 2522.667382] [drm] stuck on render ring
Mar 24 06:42:21 cafemedia035 kernel: [ 2522.687669] [drm] GPU HANG: ecode
8:0:0xef9ffffd, in chrome [2094], reason: Ring hung, action: reset


More, including trace in attached file gpuhang035-240317.txt

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