<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW Regression]Piglit spec_ARB_sample_shading_builtin-gl-sample-mask_2 is core dumped"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83081">83081</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>idr@freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BDW Regression]Piglit spec_ARB_sample_shading_builtin-gl-sample-mask_2 is core dumped
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@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>System Environment:
--------------------------
Platform: bdw
Libdrm:
(master)libdrm-2.4.56-10-g22b995d8cbf1059535c5de5ba1869c1623ae5b08
Mesa: (master)306e421887720b149be77c749108bcffcebe34f6
Xserver:
(master)xorg-server-1.15.99.902-121-g2f5cf9ff9a0f713b7e038636484c77f113a5f10a
Xf86_video_intel:(master)2.99.914-68-gd209b03915e4d12ce445d72ac09bb4fe664ba664
Libva: (master)acfcd5f0637a951d50c5112c7dfbd46f1d0dcdb3
Libva_intel_driver:(master)f3f49f2f0e6b3669d9b09341a11cf0b96e138674
Kernel: (drm-intel-nightly)257d90d13794c2eb545ab0d6c708f21e2a0378b6
ug detailed description:
---------------------------
It fails on BDW with mesa master branch, works well on Mesa 10.3 branch.
The latest known bad commit 306e421887720b149be77c749108bcffcebe34f6
The latest known good commit f80c6847e969016596b5ce3202236c15663cc61a
(It has <a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED DUPLICATE - [BDW Bisected]glxgears causes X hang"
href="show_bug.cgi?id=82929">bug 82929</a>, bisect is slow)
output:
FBO attachment = TEXTURE, result = pass
Floating point exception (core dumped)
(gdb) bt
#0 0x00007ffff3d53344 in get_fast_clear_rect (irb=<optimized out>,
rect=0x7fffffffdf50, fb=0x84c330, brw=0x7ffff39d7038) at
brw_meta_fast_clear.c:310
#1 brw_meta_fast_clear (brw=brw@entry=0x7ffff39d7038, fb=fb@entry=0x84c330,
buffers=buffers@entry=256, partial_clear=partial_clear@entry=false) at
brw_meta_fast_clear.c:512
#2 0x00007ffff3d0dc00 in brw_clear (ctx=0x7ffff39d7038, mask=256) at
brw_clear.c:246
#3 0x000000000040185f in test_builtin_sample_mask (ms_fbo=...) at
/GFX/Test/Piglit/piglit/tests/spec/arb_sample_shading/execution/builtin-gl-sample-mask.cpp:191
#4 0x0000000000401ad7 in piglit_display () at
/GFX/Test/Piglit/piglit/tests/spec/arb_sample_shading/execution/builtin-gl-sample-mask.cpp:228
#5 0x00007ffff7d84baa in run_test (gl_fw=0x604010, argc=2,
argv=0x7fffffffe288) at
/GFX/Test/Piglit/piglit/tests/util/piglit-framework-gl/piglit_winsys_framework.c:78
#6 0x00007ffff7d6a205 in piglit_gl_test_run (argc=2, argv=0x7fffffffe288,
config=0x7fffffffe150) at
/GFX/Test/Piglit/piglit/tests/util/piglit-framework-gl.c:151
#7 0x00000000004014cd in main (argc=2, argv=0x7fffffffe288) at
/GFX/Test/Piglit/piglit/tests/spec/arb_sample_shading/execution/builtin-gl-sample-mask.cpp:44
Reproduce steps:
----------------------------
1. xinit
2. bin/arb_sample_shading-builtin-gl-sample-mask 2 -auto</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>