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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<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>
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<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>
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<th>Component</th>
<td>Drivers/DRI/i965
</td>
</tr>
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<th>Product</th>
<td>Mesa
</td>
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<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>
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