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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 - Skylake GPU hang ecode 9:0:0x85dfffff, in plasmashell, kernel 4.5.0-rc3"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=94082">94082</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Skylake GPU hang ecode 9:0:0x85dfffff, in plasmashell, kernel 4.5.0-rc3
          </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>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>myemailu@gmail.com
          </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=121656" name="attach_121656" title="gpu error log">attachment 121656</a> <a href="attachment.cgi?id=121656&action=edit" title="gpu error log">[details]</a></span>
gpu error log

hardware: Intel NUC6i5, 
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 78
model name      : Intel(R) Core(TM) i5-6260U CPU @ 1.80GHz
stepping        : 3
microcode       : 0x6a
cpu MHz         : 1194.257
cache size      : 4096 KB


on skylake system running kernel 4.5.0-rc3, plasamshell crashes randomly,
journal message is:

Feb 10 21:11:21 linux.suse kernel: [drm] GPU HANG: ecode 9:0:0x85dfffff, in
plasmashell [1647], reason: Ring hung, action
Feb 10 21:11:21 linux.suse kernel: [drm] GPU hangs can indicate a bug anywhere
in the entire gfx stack, including userspa
Feb 10 21:11:21 linux.suse kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Feb 10 21:11:21 linux.suse kernel: [drm] drm/i915 developers can then reassign
to the right component if it's not a kerne
Feb 10 21:11:21 linux.suse kernel: [drm] The gpu crash dump is required to
analyze gpu hangs, so please always attach it.
Feb 10 21:11:21 linux.suse kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Feb 10 21:11:21 linux.suse kernel: drm/i915: Resetting chip after gpu hang
Feb 10 21:11:23 linux.suse kernel: [drm] RC6 on</pre>
        </div>
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