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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 display lock on agd5f drm-next-4.3-wip since drm/amdgpu: fix syncing to VM updates"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=91522">91522</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Tonga display lock on agd5f  drm-next-4.3-wip since drm/amdgpu: fix syncing to VM updates
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>DRI 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>normal
          </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>adf.lists@gmail.com
          </td>
        </tr></table>
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        <div>
        <pre>Tried agd5f drm-next-4.3-wip without enabling anything new. agd5f mesa/drm
amdgpu.

I can startx but doing anything 3d/vdpau results in a display lock.

Nothing is logged, there is no gpu reset. SysRq works (and gets logged).

bisecting using glxgears to trigger came up with -

commit 928db3aef53b0e74e26a6815890b6162cff2f4e7
Author: Christian K├Ânig <<a href="mailto:christian.koenig@amd.com">christian.koenig@amd.com</a>>
Date:   Mon Jul 27 15:40:35 2015 +0200

    drm/amdgpu: fix syncing to VM updates</pre>
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