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

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - GPU hang (i915_error_state attached)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=68913">68913</a>
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>chris@chris-wilson.co.uk
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>GPU hang (i915_error_state attached)
          </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>josh@freedesktop.org
          </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>git
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Driver/intel
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=85159" name="attach_85159" title="i915_error_state after GPU hang">attachment 85159</a> <a href="attachment.cgi?id=85159&action=edit" title="i915_error_state after GPU hang">[details]</a></span>
i915_error_state after GPU hang

Lenovo ThinkPad X220.

00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller [8086:0126] (rev 09)

Running Linux 3.10.7 from the Debian linux-image-3.10-2-amd64 package, version
3.10.7-1.

Running X server 1.12.4 (xserver-xorg-core 2:1.12.4-6.2+b2), and version
2.21.15 of the Intel driver (xserver-xorg-video-intel 2:2.21.15-1).

Hit several GPU hangs:

[ 2738.269904] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU
hung
[ 2738.269910] [drm] capturing error event; look for more information in
/sys/kernel/debug/dri/0/i915_error_state
[ 2738.279235] [drm:kick_ring] *ERROR* Kicking stuck semaphore on render ring

i915_error_state attached.</pre>
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