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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] GPU HANG: ecode 0:0x95fdfffd, in systemd-logind [424], reason: Ring hung, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=89865">89865</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[drm] GPU HANG: ecode 0:0x95fdfffd, in systemd-logind [424], reason: Ring hung, action: reset
          </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>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>freedesktop.org@the-compiler.org
          </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=114822" name="attach_114822" title="/sys/class/drm/card0/error">attachment 114822</a> <a href="attachment.cgi?id=114822&action=edit" title="/sys/class/drm/card0/error">[details]</a></span>
/sys/class/drm/card0/error

A Qt application suddently hung and stopped redrawing, a few seconds later my
screen was black quickly and I got this in my dmesg:

kern  :info  : [Apr 1 21:34] [drm] stuck on render ring
kern  :info  : [  +0.001517] [drm] GPU HANG: ecode 0:0x95fdfffd, in
systemd-logind [424], reason: Ring hung, action: reset
kern  :info  : [  +0.000005] [drm] GPU hangs can indicate a bug anywhere in the
entire gfx stack, including userspace.
kern  :info  : [  +0.000003] [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
kern  :info  : [  +0.000003] [drm] drm/i915 developers can then reassign to the
right component if it's not a kernel issue.
kern  :info  : [  +0.000002] [drm] The gpu crash dump is required to analyze
gpu hangs, so please always attach it.
kern  :info  : [  +0.000003] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
kern  :info  : [  +5.990725] [drm] stuck on render ring
kern  :info  : [  +0.002213] [drm] GPU HANG: ecode 0:0x85effffd, in
systemd-logind [424], reason: Ring hung, action: reset
kern  :err   : [  +0.000138] [drm:i915_context_is_banned] *ERROR* gpu hanging
too fast, banning!

This is on Archlinux, Linux 3.18.6-1-ARCH, X.org 1.17.1-3, xf86-video-intel
2.99.917-4.</pre>
        </div>
      </p>
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