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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [drm] stuck on render ring"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=97252">97252</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[drm] stuck on render ring
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>XOrg git
          </td>
        </tr>

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

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

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

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

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

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

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

        <tr>
          <th>Reporter</th>
          <td>bzb@poczta.onet.pl
          </td>
        </tr>

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

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=125625" name="attach_125625" title="system log and gpu crash dump">attachment 125625</a> <a href="attachment.cgi?id=125625&action=edit" title="system log and gpu crash dump">[details]</a></span>
system log and gpu crash dump

>From time to time when I start some WebGL application in chrome, I get this
error:

[64414.495102] [drm] stuck on render ring
[64414.496855] [drm] GPU HANG: ecode 7:0:0x85dffffc, in chrome [3388], reason:
Ring hung, action: reset
[64414.496859] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[64414.496862] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[64414.496864] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[64414.496866] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[64414.496869] [drm] GPU crash dump saved to /sys/class/drm/card0/error


I get this error on both Mesa 11.2 (ubuntu 16.04) and 12.1 (updated from
<a href="https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers">https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers</a>)

GPU crash dump is attached.</pre>
        </div>
      </p>


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