<html>
    <head>
      <base href="https://bugs.freedesktop.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - 3D applications have blank screen with "export RADEON_HYPERZ=1" and git-da7029d"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=57763">57763</a>
          </td>
        </tr>

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

        <tr>
          <th>Summary</th>
          <td>3D applications have blank screen with "export  RADEON_HYPERZ=1" and git-da7029d
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>andabata12@yahoo.it
          </td>
        </tr>

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

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

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

        <tr>
          <th>Component</th>
          <td>Drivers/Gallium/r300
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </td>
        </tr></table>
      <p>
        <div>
        <pre>With last graphics drivers from Git-da7029d on ATI RV530 (X1700) all the 3D
applications with "radeon: Acquired Hyper-Z", as Second Life, Racer, Quake III
demo have blank screen and in their respective logs these lines appear:
...
radeon: The kernel rejected CS, see dmesg for more information.
radeon: The kernel rejected CS, see dmesg for more information.
radeon: The kernel rejected CS, see dmesg for more information.

With dmesg command I obtain:

[ 3637.361007] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
[ 3637.361220] Forbidden register 0x4F54 in cs at 36 (val=00000500)
[ 3637.361223] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
[ 3637.406861] Forbidden register 0x4F54 in cs at 683 (val=00000500)
[ 3637.406871] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
[ 3637.407391] Forbidden register 0x4F54 in cs at 36 (val=00000500)
[ 3637.407397] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>