<html>
    <head>
      <base href="https://bugs.freedesktop.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - stuck on render ring"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=84936">84936</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>stuck on render ring
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>unspecified
          </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>major
          </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>stephan@walter.name
          </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=107741" name="attach_107741" title="/sys/class/drm/card0/error">attachment 107741</a> <a href="attachment.cgi?id=107741&action=edit" title="/sys/class/drm/card0/error">[details]</a></span>
/sys/class/drm/card0/error

X stopped responding to mouse and keyboard.

Partial dmesg output:

[11759.532741] [drm] stuck on render ring
[11759.532812] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[11759.532815] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[11759.532817] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[11759.532819] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[11759.532825] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[11759.535807] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo
(0xf64a000 ctx 0) at 0xf64bec4
[11765.544030] [drm] stuck on render ring
[11771.519331] [drm] stuck on render ring
[11777.518648] [drm] stuck on render ring

Full dmesg output and contents of /sys/class/drm/card0/error are attached.

Possibly relevant version information:

libdrm-intel1:amd64    2.4.52-1
libdrm-intel1:i386    2.4.52-1
libdrm2:amd64    2.4.52-1
libdrm2:i386    2.4.52-1
xorg    1:7.7+1ubuntu8
xserver-xorg-core    2:1.15.1-0ubuntu2
xserver-xorg-video-intel    2:2.99.910-0ubuntu1

I'd be happy to give more information if necessary.</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>