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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [BSW]Piglit/spec/nv_conditional_render/dlist fails intermittently"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90691">90691</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[BSW]Piglit/spec/nv_conditional_render/dlist fails intermittently
          </td>
        </tr>

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

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

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

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

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

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

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

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

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

        <tr>
          <th>Reporter</th>
          <td>huax.lu@intel.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-3d-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>System Environment:
--------------------------
Platform: BSW
Libdrm:       
(master)libdrm-2.4.61-4-gfde4969176822fe54197b6baa78f8b0ef900baba
Mesa:        (master)2b8c51834bcc34a70dec9b470a28c0ef972d6993
Xserver:   
(master)xorg-server-1.17.0-156-g806470b9f623089dc81b985f250f0c3a4e8edbe8
Xf86_video_intel:(master)2.99.917-312-ga6dd2655cb41000943e554ccea16e5781bcbf012
Libva:        (master)4763db1c2133d4e6b92355938ecb6f23a7767b6b
Libva_intel_driver:(master)4a1c4d21f3428b08ef765d7f7de75b97006514ac
Kernel:   (drm-intel-nightly)5267b96e584de7aa76434cc9fefad61169664c2f

Bug detailed description:
-----------------------------
It intermittently fails on BSW with mesa master and 10.6 branch, fail rate:2/5.
Run 10 cycles on 10.5 branch(commit ea0d1f575c214c09ba3df12644a960e86e031766),
it works well.
spec@nv_conditional_render@vertex_array also has this issue.

output:
root@x-bsw06:/GFX/Test/Piglit/piglit# bin/nv_conditional_render-dlist -auto
libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so
libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so
libGL: Using DRI2 for screen 0
Probe color at (0,0)
  Expected: 0.000000 1.000000 0.000000 0.000000
  Observed: 1.000000 0.000000 0.000000 0.000000
PIGLIT: {"result": "fail" }
root@x-bsw06:/GFX/Test/Piglit/piglit# bin/nv_conditional_render-dlist -auto
libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so
libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so
libGL: Using DRI2 for screen 0
PIGLIT: {"result": "pass" }
root@x-bsw06:/GFX/Test/Piglit/piglit# bin/nv_conditional_render-dlist -auto
libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so
libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so
libGL: Using DRI2 for screen 0
Probe color at (0,0)
  Expected: 0.000000 1.000000 0.000000 0.000000
  Observed: 1.000000 0.000000 0.000000 0.000000
PIGLIT: {"result": "fail" }
root@x-bsw06:/GFX/Test/Piglit/piglit# bin/nv_conditional_render-dlist -auto
libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so
libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so
libGL: Using DRI2 for screen 0
PIGLIT: {"result": "pass" }
root@x-bsw06:/GFX/Test/Piglit/piglit# bin/nv_conditional_render-dlist -auto
libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so
libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so
libGL: Using DRI2 for screen 0
PIGLIT: {"result": "pass" }

Reproduce steps:
---------------------------- 
1. xinit
2. bin/nv_conditional_render-dlist -auto</pre>
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