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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 --- - [ivb:gt1 regression] Render corruption (HiZ?)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=75623">75623</a>
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[ivb:gt1 regression] Render corruption (HiZ?)
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </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>chris@chris-wilson.co.uk
          </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/Intel
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr></table>
      <p>
        <div>
        <pre>commit 3fac8978f5d353d350215d7d8dae977d65305f64
Author: Mika Kuoppala <<a href="mailto:mika.kuoppala@linux.intel.com">mika.kuoppala@linux.intel.com</a>>
Date:   Thu Jan 30 16:05:48 2014 +0200

    drm/i915: Tune down debug output when context is banned

    If we have stopped rings then we know that test is running
    so no need for spam. In addition, only spam when default
    context gets banned.

    v2: - make sure default context ban gets shown (Chris)
        - use helper for checking for default context, everywhere (Chris)

    v3: - dont be quiet when debug is set (Ben, Daniel)

    Reference: <a class="bz_bug_link 
          bz_status_VERIFIED  bz_closed"
   title="VERIFIED FIXED - [SNB/IVB/HSW/BYT/BDW]igt/gem_reset_stats causes *ERROR* context hanging too fast, declaring banned!"
   href="show_bug.cgi?id=73652">https://bugs.freedesktop.org/show_bug.cgi?id=73652</a>
    Signed-off-by: Mika Kuoppala <<a href="mailto:mika.kuoppala@intel.com">mika.kuoppala@intel.com</a>>
    Reviewed-by: Ben Widawsky <<a href="mailto:ben@bwidawsk.net">ben@bwidawsk.net</a>>
    Signed-off-by: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>

seems to be implicated in render corruption of glxgears on an ivg:gt1 1007U

Bizzare.</pre>
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