<html>
    <head>
      <base href="https://bugs.freedesktop.org/" />
    </head>
    <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 --- - [drm] stuck on render ring on Haswell HD4400"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=80964">80964</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>[drm] stuck on render ring on Haswell HD4400
          </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>elladan@eskimo.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=102318" name="attach_102318" title="/sys/class/drm/card0/error">attachment 102318</a> <a href="attachment.cgi?id=102318&action=edit" title="/sys/class/drm/card0/error">[details]</a></span>
/sys/class/drm/card0/error

I randomly had Xorg seize up while using a web browser.  The mouse pointer
still updated.

I got this message in dmesg asking me to file a bug report:

Jul  5 17:42:53 cayenne kernel: [74020.869279] [drm] stuck on render ring
Jul  5 17:42:53 cayenne kernel: [74020.869287] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Jul  5 17:42:53 cayenne kernel: [74020.869288] [drm] GPU hangs can indicate a
bug anywhere in the entire gfx stack, including userspace.
Jul  5 17:42:53 cayenne kernel: [74020.869289] [drm] Please file a _new_ bug
report on bugs.freedesktop.org against DRI -> DRM/Intel
Jul  5 17:42:53 cayenne kernel: [74020.869290] [drm] drm/i915 developers can
then reassign to the right component if it's not a kernel issue.
Jul  5 17:42:53 cayenne kernel: [74020.869291] [drm] The gpu crash dump is
required to analyze gpu hangs, so please always attach it.
Jul  5 17:42:59 cayenne kernel: [74026.875107] [drm] stuck on render ring
Jul  5 17:43:09 cayenne kernel: [74036.875500] [drm] stuck on render ring

This is using Linux Mint Petra with a mainline kernel:

Linux cayenne 3.14.8-031408-lowlatency #201406161755 SMP PREEMPT Mon Jun 16
22:03:46 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

Attached is the output of drm/card0/error.</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the QA Contact for the bug.</li>
          <li>You are on the CC list for the bug.</li>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>