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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>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ILK Bisected]ES2-CTS.gtf.GL2Tests.framebuffer_objects.framebuffer_objects crash"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83033">83033</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>idr@freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>mattst88@gmail.com
</td>
</tr>
<tr>
<th>Summary</th>
<td>[ILK Bisected]ES2-CTS.gtf.GL2Tests.framebuffer_objects.framebuffer_objects 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>
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<th>Product</th>
<td>Mesa
</td>
</tr></table>
<p>
<div>
<pre>System Environment:
--------------------------
Platform: ILK
Libdrm:
(master)libdrm-2.4.56-10-g22b995d8cbf1059535c5de5ba1869c1623ae5b08
Mesa: (master)8d8a5eb792c662a8def7c9ab65d2df67972cf659
Xserver:
(master)xorg-server-1.15.99.902-121-g2f5cf9ff9a0f713b7e038636484c77f113a5f10a
Xf86_video_intel:(master)2.99.914-67-g12c051d5c673d79c16a3a1478c0977799484ca95
Libva: (master)acfcd5f0637a951d50c5112c7dfbd46f1d0dcdb3
Libva_intel_driver:(master)f3f49f2f0e6b3669d9b09341a11cf0b96e138674
Kernel: (drm-intel-nightly)257d90d13794c2eb545ab0d6c708f21e2a0378b6
Bug detailed description:
---------------------------
It crash on ILK with mesa master branch.works well on 10.3 branch.
Bisect shows:20a849b4aa63c7fce96b04de674a4c70f054ed9c is the first bad commit
commit 20a849b4aa63c7fce96b04de674a4c70f054ed9c
Author: Matt Turner <<a href="mailto:mattst88@gmail.com">mattst88@gmail.com</a>>
AuthorDate: Sat Jul 12 21:18:39 2014 -0700
Commit: Matt Turner <<a href="mailto:mattst88@gmail.com">mattst88@gmail.com</a>>
CommitDate: Fri Aug 22 10:23:34 2014 -0700
i965: Use basic-block aware insertion/removal functions.
To avoid invalidating and recreating the control flow graph. Also stop
invalidating the CFG in places we didn't add or remove an instruction.
cfg calculations: 202951 -> 80307 (-60.43%)
Reviewed-by: Topi Pohjolainen <<a href="mailto:topi.pohjolainen@intel.com">topi.pohjolainen@intel.com</a>>
output:
dEQP Core GL-CTS-2.0 (0x0052484b) starting..
target implementation = 'X11'
Test case 'ES2-CTS.gtf.GL2Tests.framebuffer_objects.framebuffer_objects'..
Segmentation fault (core dumped)
(gdb) bt
#0 fs_visitor::remove_duplicate_mrf_writes (this=this@entry=0x7fffffffc770) at
brw_fs.cpp:2421
#1 0x00007ffff5e4d964 in fs_visitor::run (this=this@entry=0x7fffffffc770) at
brw_fs.cpp:3263
#2 0x00007ffff5e4e155 in brw_wm_fs_emit (brw=brw@entry=0x7ffff56cb038,
mem_ctx=mem_ctx@entry=0x16f8b98, key=key@entry=0x7fffffffd590,
prog_data=prog_data@entry=0x7fffffffd410, fp=fp@entry=0x16ed0c0,
prog=prog@entry=0x16ff818,
final_assembly_size=final_assembly_size@entry=0x7fffffffd40c) at
brw_fs.cpp:3400
#3 0x00007ffff5e9f025 in do_wm_prog (brw=0x7ffff56cb038, prog=0x16ff818,
fp=0x16ed0c0, key=0x7fffffffd590) at brw_wm.c:183
#4 0x00007ffff5e4d6a5 in brw_fs_precompile (ctx=ctx@entry=0x7ffff56cb038,
prog=prog@entry=0x16ff818) at brw_fs.cpp:3528
#5 0x00007ffff5e7d251 in brw_shader_precompile (prog=0x16ff818,
ctx=0x7ffff56cb038) at brw_shader.cpp:73
#6 brw_link_shader (ctx=0x7ffff56cb038, shProg=0x16ff818) at
brw_shader.cpp:269
#7 0x00007ffff5d31706 in _mesa_glsl_link_shader (ctx=0x7ffff56cb038,
prog=0x16ff818) at ../../src/mesa/program/ir_to_mesa.cpp:3082
#8 0x00007ffff5c38b5a in link_program (ctx=0x7ffff56cb038, program=<optimized
out>) at ../../src/mesa/main/shaderapi.c:915
#9 0x0000000000f6871d in glwLinkProgram ()
#10 0x0000000000827d9d in GTFBuildShader_2_0 ()
#11 0x0000000000ad53f8 in GTFGL2TestFramebufferObjectsApply ()
#12 0x0000000000aa5821 in GTFTestGL2TestApply ()
#13 0x0000000000866a39 in GTFTestEncapsulateApply ()
#14 0x0000000000812907 in GTFRunTest ()
#15 0x000000000080ae9b in gtf::TestCase::iterate() ()
#16 0x0000000000f00a97 in tcu::TestCaseWrapper::iterateTestCase(tcu::TestCase*)
()
#17 0x00000000007da1a1 in
glcts::TestCaseWrapper::iterateTestCase(tcu::TestCase*) ()
#18 0x0000000000f02190 in tcu::TestExecutor::iterate() ()
#19 0x0000000000ef5141 in tcu::App::iterate() ()
#20 0x0000000000541638 in main ()
Reproduce steps:
-------------------------
1. xinit
2. ./glcts
--deqp-case=ES2-CTS.gtf.GL2Tests.framebuffer_objects.framebuffer_objects</pre>
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