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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [swrast] ralloc.c:84: get_header: Assertion `info->canary == CANARY' failed."
href="https://bugs.freedesktop.org/show_bug.cgi?id=98767">98767</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[swrast] ralloc.c:84: get_header: Assertion `info->canary == CANARY' failed.
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Keywords</th>
<td>bisected, have-backtrace, regression
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>Mesa core
</td>
</tr>
<tr>
<th>Assignee</th>
<td>mesa-dev@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>vlee@freedesktop.org
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>mesa-dev@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>mesa: 0cee3fd5c73acf7e3841a7d790e3ec3031b0fe41 (master 13.1.0-devel)
1000+ piglit tests have regressed on swrast.
$ ./bin/fcc-read-after-clear blit rb -auto
fcc-read-after-clear: ralloc.c:84: get_header: Assertion `info->canary ==
CANARY' failed.
Aborted (core dumped)
(gdb) bt
#0 0x00007f0f4a242428 in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:54
#1 0x00007f0f4a24402a in __GI_abort () at abort.c:89
#2 0x00007f0f4a23abd7 in __assert_fail_base (fmt=<optimized out>,
assertion=assertion@entry=0x7f0f450e98a4 "info->canary == CANARY",
file=file@entry=0x7f0f450e9891 "ralloc.c", line=line@entry=84,
function=function@entry=0x7f0f450e9a70 <__PRETTY_FUNCTION__.3839>
"get_header") at assert.c:92
#3 0x00007f0f4a23ac82 in __GI___assert_fail
(assertion=assertion@entry=0x7f0f450e98a4 "info->canary == CANARY",
file=file@entry=0x7f0f450e9891 "ralloc.c", line=line@entry=84,
function=function@entry=0x7f0f450e9a70 <__PRETTY_FUNCTION__.3839>
"get_header") at assert.c:101
#4 0x00007f0f44d88922 in get_header (ptr=<optimized out>) at ralloc.c:84
#5 0x00007f0f45019948 in get_header (ptr=<optimized out>) at ralloc.c:223
#6 ralloc_free (ptr=<optimized out>) at ralloc.c:229
#7 0x00007f0f44f94f35 in _mesa_delete_instructions (prog=prog@entry=0x24061c0,
start=0, count=<optimized out>, mem_ctx=mem_ctx@entry=0x24061c0) at
program/program.c:419
#8 0x00007f0f44f90ac0 in remove_instructions (prog=prog@entry=0x24061c0,
removeFlags=removeFlags@entry=0x240edf0 "\001",
mem_ctx=mem_ctx@entry=0x24061c0) at program/prog_optimize.c:196
#9 0x00007f0f44f90e7f in _mesa_remove_dead_code_global
(prog=prog@entry=0x24061c0, mem_ctx=mem_ctx@entry=0x24061c0) at
program/prog_optimize.c:329
#10 0x00007f0f44f9193d in _mesa_optimize_program (ctx=ctx@entry=0x7f0f4adb7010,
program=program@entry=0x24061c0, mem_ctx=mem_ctx@entry=0x24061c0) at
program/prog_optimize.c:1325
#11 0x00007f0f44f863dc in get_mesa_program (shader=<optimized out>,
shader_program=0x24089f0, ctx=<optimized out>) at program/ir_to_mesa.cpp:2936
#12 _mesa_ir_link_shader (ctx=<optimized out>, prog=0x24089f0) at
program/ir_to_mesa.cpp:3029
#13 0x00007f0f44f86732 in _mesa_glsl_link_shader (ctx=ctx@entry=0x7f0f4adb7010,
prog=prog@entry=0x24089f0) at program/ir_to_mesa.cpp:3071
#14 0x00007f0f44e89050 in _mesa_link_program (ctx=0x7f0f4adb7010,
shProg=0x24089f0) at main/shaderapi.c:1086
#15 0x00007f0f4a8ffbf2 in piglit_link_simple_program (vs=1, fs=4) at
piglit/tests/util/piglit-shader.c:262
#16 0x0000000000401b3c in piglit_init (argc=3, argv=0x7fff613b3c08) at
piglit/tests/fast_color_clear/read-after-clear.c:178
#17 0x00007f0f4a918dcb in run_test (gl_fw=0x222bc20, argc=3,
argv=0x7fff613b3c08) at
piglit/tests/util/piglit-framework-gl/piglit_fbo_framework.c:50
#18 0x00007f0f4a8fefdf in piglit_gl_test_run (argc=3, argv=0x7fff613b3c08,
config=0x7fff613b3ac0) at piglit/tests/util/piglit-framework-gl.c:203
#19 0x000000000040182d in main (argc=3, argv=0x7fff613b3c08) at
piglit/tests/fast_color_clear/read-after-clear.c:61
0ad69e6b51b06c483db37c3b7eeb1da1a95d0629 is the first bad commit
commit 0ad69e6b51b06c483db37c3b7eeb1da1a95d0629
Author: Timothy Arceri <<a href="mailto:timothy.arceri@collabora.com">timothy.arceri@collabora.com</a>>
Date: Sat Nov 5 22:35:41 2016 +1100
mesa: make use of ralloc when creating ARB asm gl_program fields
This will allow us to move the ARB asm fields in gl_program into
a union as we will be able call ralloc_free() on the entire struct
when destroying the context.
In this change we switch over to using ralloc for the Instructions,
String and LocalParams fields of gl_program.
Reviewed-by: Emil Velikov <<a href="mailto:emil.velikov@collabora.com">emil.velikov@collabora.com</a>>
:040000 040000 6d741cefa8974f3c0066a58b63f83381c5567352
b6509f8164fd3dfac726b0a3761bde263471c2d0 M src
bisect run success</pre>
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