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      <base href="https://bugs.freedesktop.org/" />
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    <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 --- - [drm:r600] UVD not responding OR failed testing IB on GFX ring"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=71067">71067</a>
          </td>
        </tr>

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

        <tr>
          <th>Summary</th>
          <td>[drm:r600] UVD not responding OR failed testing IB on GFX ring
          </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>timothee.romain.ravier@gmail.com
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>XOrg CVS
          </td>
        </tr>

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

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr></table>
      <p>
        <div>
        <pre>When I boot 3.10 or 3.11 kernels, I get either one of those errors, apparently
at random :
  * UVD not responding, trying to reset the VCPU
    -> Full log attached: *freeze-boot-then-yellow.log
    The display turns yellow when the X server starts. I can still use VT and
there is no corruption there. I made sure that I got the latest firmware and I
also checked my initrd (following instructions in 65270);

  * GPU lockup CP stall for more than 10000msec
    GPU lockup (waiting for 0x000000000000020e last fence id
0x00000000000001ec)
    r600_ib_test] *ERROR* radeon: fence wait failed (-35)
    radeon_ib_ring_tests] *ERROR* radeon: failed testing IB on GFX ring (-35)
    -> Full log attached: *freeze-cursor.log
    I can log into my graphical session, but quickly after that, everything
freeze and I can only move the cursor which displays as a "corrupted" square.
    Again VT are fine.

I filed only one bug report as I get both issue using the same software and
boot command line.

At the beginning I had <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Lockup with UVD and DPM on RV730"
   href="show_bug.cgi?id=67994">bug 67994</a>, which turned into this one. I tried
downgrading the kernel without much success for now.

Booting with nomodeset works perfectly (with no accel/KMS obviously) and
booting under Windows 7 too.</pre>
        </div>
      </p>
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