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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 - [IVB]igt gem_caching doesn't exit /sys/kernel/debug/dri/0/clients"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=85828">85828</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[IVB]igt gem_caching doesn't exit /sys/kernel/debug/dri/0/clients
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </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>huax.lu@intel.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=108868" name="attach_108868" title="run log">attachment 108868</a> <a href="attachment.cgi?id=108868&action=edit" title="run log">[details]</a></span>
run log

==System Environment==
--------------------------
Regression: not sure 
Non-working platforms: IVB

==kernel==
--------------------------
drm-intel-nightly/203b34bf78a127a85cf89bbd8cf4decd935d780f

==Bug detailed description==
Run automation testing, run gem_basic_create-fd-close then run
gem_caching_reads, it doesn't exit /sys/kernel/debug/dri/0/clients. 
Run it 5 cycles manually, I can't reproduce this issue.

/sys/kernel/debug/dri/0/clients   
          command   pid dev master a   uid      magic
         gem_caching  8043   0   y    y     0          0
         gem_caching  8043   0   n    y     0          0</pre>
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