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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Google Hangouts video with Chrome caused "stuck on render ring""
   href="https://bugs.freedesktop.org/show_bug.cgi?id=79954">79954</a>
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Google Hangouts video with Chrome caused "stuck on render ring"
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>bugzilla@joshuajhill.com
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=100942" name="attach_100942" title="Contents of /sys/class/drm/card0/error">attachment 100942</a> <a href="attachment.cgi?id=100942&action=edit" title="Contents of /sys/class/drm/card0/error">[details]</a></span>
Contents of /sys/class/drm/card0/error

While on a Google Hangouts video call, Chrome locked up and the video froze.
Chrome had to be killed, and the following appeared in the syslog:

Jun 12 13:33:34 kernel: [150622.222686] [drm] stuck on render ring
Jun 12 13:33:34 kernel: [150622.222691] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Jun 12 13:33:34 kernel: [150622.222692] [drm] GPU hangs can indicate a bug
anywhere in the entire gfx stack, including userspace.
Jun 12 13:33:34 kernel: [150622.222693] [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Jun 12 13:33:34 kernel: [150622.222694] [drm] drm/i915 developers can then
reassign to the right component if it's not a kernel issue.
Jun 12 13:33:34  kernel: [150622.222695] [drm] The gpu crash dump is required
to analyze gpu hangs, so please always attach it.

I'm running Ubuntu 14.04, with Ivy Bridge integrated graphics.</pre>
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