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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 - GPU fault with DRI3 on"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=98705">98705</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>GPU fault with DRI3 on
          </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>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>375gnu@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=127949" name="attach_127949" title="Kernel log">attachment 127949</a> <a href="attachment.cgi?id=127949&action=edit" title="Kernel log">[details]</a></span>
Kernel log

When playing Portal2 or L4D2 with DRI3 on, after some quite short time game
locks and kernel log has the following messages.

0000:01:00.0: GPU fault detected: 147 0x00060802
0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x00000000
0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x06008002
0000:01:00.0: VM fault (0x02, vmid 3) at page 0, read from '' (0x00000000) (8)

My hardware is HD7750, Linux is 4.9.0-rc4, rc1 was also affected. Mesa version
is 13.1-dev, 13.0 and 13.0-rc2 were affected as well.

I have the same issue with radeon kernel driver as well (Linux 4.6-4.9, Mesa
12.0 - 13.1 dev), but in this case kernel log is clear. So, possibly, this
issue is in Mesa code, or in code ported from radeon.ko. With DRI2 I don't have
this issue in any case.</pre>
        </div>
      </p>


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