<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 --- - [HSW_GT3e Bisected]Show "black vertical stripes" when running GpuTest v0.5_triangle_fullscreen"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=82891">82891</a>
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>idr@freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[HSW_GT3e Bisected]Show "black vertical stripes" when running GpuTest v0.5_triangle_fullscreen
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-3d-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>major
          </td>
        </tr>

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

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>jianx.zhou@intel.com
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Drivers/DRI/i965
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Platform:HSW_GT3e
 Libdrm:(master)libdrm-2.4.56-8-gd9ce09de12131fa8c5ff2d7c2dbd6b61d8a5fd14
 Mesa:(master)a4359bcaa599291ef1588376a419a0bcfbd02396
 Xserver:(master)xorg-server-1.15.99.902-121-g2f5cf9ff9a0f713b7e0386
 Xf86_video_intel:(master)2.99.914-60-gf5469681b620d9d6ccaf53e92ed31f931cb03b0d
 Cairo:(master)932548ef25864958ef966ffe83e7c945c3ff3cd4
 Libva:(master)acfcd5f0637a951d50c5112c7dfbd46f1d0dcdb3
 Libva_intel_driver:(master)f3f49f2f0e6b3669d9b09341a11cf0b96e138674
 Kernel:   (drm-intel-nightly)09fcefee6357c6b3a30016adc0e306496172d6b7
Bug detailed description:
------------------------------------
Show "black vertical stripes" when running GpuTest v0.5_triangle_fullscreen on
HSW_GT3e,This problem both on gnome-session and RAW X,this issue doesn't exist
on IVB/BDW/BYT,you can see triangle.png.
It's Mesa regression,bisected the result first bad commit is:
commit 2f28a0dc23165123cf1e8b5942acad37878edd8a
Author:     Kristian Høgsberg <<a href="mailto:krh@bitplanet.net">krh@bitplanet.net</a>>
AuthorDate: Mon Jul 7 16:44:58 2014 -0700
Commit:     Kristian Høgsberg <<a href="mailto:krh@bitplanet.net">krh@bitplanet.net</a>>
CommitDate: Fri Aug 15 11:25:47 2014 -0700
    i965: Implement fast color clears using meta operations
Reproduce steps:
---------------------------------------------
1. xinit&
2. ./GpuTest /test=triangle /width=1920 /height=1080 /fullscreen /benchmark
/no_scorebox</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the QA Contact for the bug.</li>
      </ul>
    </body>
</html>