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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 - Tonga does not recover from standby"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=93615">93615</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Tonga does not recover from standby
          </td>
        </tr>

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

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

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>blocker
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/AMDgpu
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>dri-devel@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>EoD@xmw.de
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Standby worked flawlessly on my BARTS (radeon/r600). With the TONGA
(amdgpu/radeonsi) the system is not able to recover after the standby. Seems
like a hard-lockup.

I put my system into standby by doing:
  echo mem > /sys/power/state

I tried both kernel 4.4-rc7 and the 4.5-drm-next branch.</pre>
        </div>
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