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    <head>
      <base href="https://bugs.freedesktop.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [llvmpipe] piglit gl-1.0-swapbuffers-behavior regression"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=94253">94253</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[llvmpipe] piglit gl-1.0-swapbuffers-behavior regression
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>11.2
          </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>Keywords</th>
          <td>bisected, regression
          </td>
        </tr>

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

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Mesa core
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>mesa-dev@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>vlee@freedesktop.org
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>mesa-dev@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>brianp@vmware.com, idr@freedesktop.org, jfonseca@vmware.com, marta.lofstedt@intel.com, nanleychery@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>mesa: 571bd9ac4280b0d3c10281e9899afb33bc67d589 (master 11.3.0-devel)

$ ./bin/gl-1.0-swapbuffers-behavior -auto
SwapBuffers apparently failed!
PIGLIT: {"result": "fail" }

605832736a6d9427ad894d403cceeb74a5b18dc1 is the first bad commit
commit 605832736a6d9427ad894d403cceeb74a5b18dc1
Author: Nanley Chery <<a href="mailto:nanley.g.chery@intel.com">nanley.g.chery@intel.com</a>>
Date:   Fri Feb 5 16:21:33 2016 -0800

    mesa/readpix: Clip ReadPixels() area to the ReadBuffer's

    The fast path for Intel's ReadPixels() unintentionally omits clipping
    the specified area to a valid one. Rather than clip in various
    corner-cases, perform this operation in the API validation stage.

    The bug in intel_readpixels_tiled_memcpy() showed itself when the winsys
    ReadBuffer's height was smaller than the one specified by ReadPixels().
    yoffset became negative, which was an invalid input for tiled_to_linear().

    v2: Move clipping to validation stage (Jason)

    Bugzilla: <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [SKL] ES2-CTS.gtf.GL2ExtensionTests.compressed_astc_texture.compressed_astc_texture fails"
   href="show_bug.cgi?id=92193">https://bugs.freedesktop.org/show_bug.cgi?id=92193</a>
    Reported-by: Marta Löfstedt <<a href="mailto:marta.lofstedt@intel.com">marta.lofstedt@intel.com</a>>
    Cc: "11.0 11.1" <<a href="mailto:mesa-stable@lists.freedesktop.org">mesa-stable@lists.freedesktop.org</a>>
    Signed-off-by: Nanley Chery <<a href="mailto:nanley.g.chery@intel.com">nanley.g.chery@intel.com</a>>
    Reviewed-by: Ian Romanick <<a href="mailto:ian.d.romanick@intel.com">ian.d.romanick@intel.com</a>>
    Reviewed-by: Brian Paul <<a href="mailto:brianp@vmware.com">brianp@vmware.com</a>>

:040000 040000 0f8b2af912e9f15eb83e20c0dfbf625fc7577e6b
08261118001653553be85da5b3d8f9bd3a7ad6f8 M    src
bisect run success</pre>
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