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      <base href="https://bugs.freedesktop.org/">
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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 - blank/dpms off causes X freezing on Redwood with commit 9090309e057dc703d1a5bffd88e6cae14108cfc3"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=97392">97392</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>blank/dpms off causes X freezing on Redwood with commit 9090309e057dc703d1a5bffd88e6cae14108cfc3
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>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>Driver/Radeon
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>xorg-driver-ati@lists.x.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>mkgmafbt@gmail.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>xorg-team@lists.x.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=125872" name="attach_125872" title="Xorg log after terminating X">attachment 125872</a> <a href="attachment.cgi?id=125872&action=edit" title="Xorg log after terminating X">[details]</a></span>
Xorg log after terminating X

blank/dpms off causes X freezing. Freezing in this case means no unblanking,
keyboard and mouse not working. (dead lock while unblanking?)
When I kill X via ssh, the two displays unblank and I can start X just fine. 

I did a git bisect and commit 9090309e057dc703d1a5bffd88e6cae14108cfc3 "Wait
for pending flips to complete before turning off an output or CRTC" causes the
issue here.

AMD Redwood aka HD5670 (retail), Linux 4.7.x, amd64, mesa and libdrm git, llvm
svn</pre>
        </div>
      </p>


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