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<base href="https://bugs.freedesktop.org/" />
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<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 --- - [SNB+]Piglit spec_EXT_shader_integer_mix_execution_fs-mix-if-bool crash"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83515">83515</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>idr@freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SNB+]Piglit spec_EXT_shader_integer_mix_execution_fs-mix-if-bool crash
</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>
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<div>
<pre>System Environment:
--------------------------
Platform: SNB
Libdrm: (master)libdrm-2.4.56-21-g8c2ae1695913990cbe6c6a8aa294f354eba33bd0
Mesa: (master)504f5f9d1a4fb5a0ddc8a5d0bf73fd6eba96b1d0
Xserver:(master)xorg-server-1.16.0-152-g3a51418b2db353519a1779cf3cebbcc9afba2520
Xf86_video_intel:(master)2.99.914-89-gaa10f480c566b8523cdd49b3e23f64b7b9625987
Libva: (master)c356638098e55453d2fac8bbb92eafc8cc32d6f4
Libva_intel_driver:(master)865f288d6821dfea5a9dc2a0525eba69ef786b23
Kernel: (drm-intel-nightly)4144c90b76dfe6eaa2205ac947090786b5091cff
Bug detailed description:
---------------------------
It crash on SNB+ platforms with mesa 10.3 branch and SNB with mesa master
branch.
It works well on IVB+ with mesa master branch.
It's a new case.
spec_EXT_shader_integer_mix_execution_vs-mix-if-bool also has this issue.
output:
Segmentation fault (core dumped)
(gdb) bt
#0 exec_list_push_tail (n=0x810957c, list=0xbfffe4f8) at
../../../../../src/glsl/list.h:439
#1 push_tail (n=0x810957c, this=0xbfffe4f8) at
../../../../../src/glsl/list.h:567
#2 emit (inst=0x810957c, this=0xbfffe4d8) at brw_fs_visitor.cpp:2759
#3 fs_visitor::resolve_ud_negate (this=this@entry=0xbfffe4d8,
reg=reg@entry=0xbfffe520) at brw_fs_visitor.cpp:3230
#4 0xb79af119 in resolve_ud_negate (reg=0xbfffe520, this=0xbfffe4d8) at
brw_fs_visitor.cpp:2262
#5 fs_visitor::emit_bool_to_cond_code (this=0x10001, ir=0x0) at
brw_fs_visitor.cpp:2259
#6 0xb79afa01 in exec_list_get_tail (list=0x20) at
../../../../../src/glsl/list.h:407
#7 get_tail (this=0x20) at ../../../../../src/glsl/list.h:552
#8 fs_visitor::visit (this=0x70001, ir=0x0) at brw_fs_visitor.cpp:1109
#9 0xb79afe01 in fs_visitor::visit (this=0x0, ir=0x0) at
brw_fs_visitor.cpp:2534
#10 0x00000000 in ?? ()
Reproduce steps:
-------------------------
1. xinit
2. bin/shader_runner
tests/spec/ext_shader_integer_mix/execution/fs-mix-if-bool.shader_test -auto</pre>
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