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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [swr] piglit ext_transform_feedback-immediate-reuse-uniform-buffer has a ~5% pass rate"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103762">103762</a>
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<th>Summary</th>
<td>[swr] piglit ext_transform_feedback-immediate-reuse-uniform-buffer has a ~5% pass rate
</td>
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>17.2
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>Drivers/Gallium/swr
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<th>Assignee</th>
<td>mesa-dev@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>agomez@igalia.com
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<th>QA Contact</th>
<td>mesa-dev@lists.freedesktop.org
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<p>
<div>
<pre>When running the complete "all" profile in piglit against mesa's swr driver,
ext_transform_feedback-immediate-reuse-uniform-buffer most of the time fails,
but not always.
It seems its pass rate is ~5%.
AFAIK, this is not new for 17.2.x not a recent regression.
A typical piglit report is as follows, although varies from failed run to run:
Detail | Value
------------+---------------
Returncode | 1
------------+---------------
Time | 0:00:00.211612
------------+---------------
Stdout | Probe color at (224,0)
| Expected: 223 31 223
| Observed: 0 0 0
| Probe color at (240,0)
| Expected: 239 15 239
| Observed: 0 0 0
------------+---------------
Stderr | WR detected AVX2
| vert shader 0x7f492c287000
| frag shader 0x7f492c285000
| so shader 0x7f492c283000
| fetch shader 0x7f492c281000
| fetch shader 0x7f492c27f000
| SWR destroy screen!
------------+---------------
Environment | PIGLIT_PLATFORM="mixed_glx_egl"
PIGLIT_SOURCE_DIR="/home/local/piglit"
------------+---------------
Command |
/home/local/piglit/bin/ext_transform_feedback-immediate-reuse-uniform-buffer
-auto -fbo
------------+---------------
dmesg |
----------------------------
Environment is an Ubuntu Xenial with custom LLVM packages installed and locally
compiled mesa and mesa dependencies. If needed, I can provide a docker image
with which to test.</pre>
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