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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [i965] brw::vec4_visitor::run SIGSEGV on OpenBSD"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91399#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [i965] brw::vec4_visitor::run SIGSEGV on OpenBSD"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91399">bug 91399</a>
from <span class="vcard"><a class="email" href="mailto:jsg@openbsd.org" title="Jonathan Gray <jsg@openbsd.org>"> <span class="fn">Jonathan Gray</span></a>
</span></b>
<pre>The same crash occurs on the 10.5 branch, the 10.4 branch doesn't have the
problem.
(gdb) run
Starting program: /usr/X11R6/bin/glxgears
Running synchronized to the vertical refresh. The framerate should be
approximately the same as the monitor refresh rate.
Program received signal SIGSEGV, Segmentation fault.
0x00001bc0f409ac9a in brw::vec4_visitor::run (this=0x7f7ffffe7790) at
brw_vec4.cpp:1729
warning: Source file is more recent than executable.
1729
Current language: auto; currently c++
(gdb) bt
#0 0x00001bc0f409ac9a in brw::vec4_visitor::run (this=0x7f7ffffe7790) at
brw_vec4.cpp:1729
#1 0x00001bc0f409b4ba in brw_vs_emit (brw=0x1bc136746030, prog=0x1bc141553e30,
c=0x7f7ffffe8770,
prog_data=0x7f7ffffe8680, mem_ctx=0x1bc150dea6b0,
final_assembly_size=0x7f7ffffe8824) at brw_vec4.cpp:1933
#2 0x00001bc0f40c10f0 in do_vs_prog (brw=0x1bc136746030, prog=0x1bc141553e30,
vp=0x1bc0c254f800, key=Variable "key" is not available.
) at brw_vs.c:291
#3 0x00001bc0f40c1353 in brw_vs_precompile (ctx=0x1bc136746030,
shader_prog=0x1bc141553e30, prog=0x1bc0c254f800)
at brw_vs.c:514
#4 0x00001bc0f4091912 in brw_link_shader (ctx=0x1bc136746030,
shProg=0x1bc141553e30) at brw_shader.cpp:71
#5 0x00001bc0f3eabed9 in _mesa_glsl_link_shader (ctx=0x1bc136746030,
prog=0x1bc141553e30) at program/ir_to_mesa.cpp:3035
#6 0x00001bc0f3dc358a in link_program (ctx=0x1bc136746030, program=Variable
"program" is not available.
) at main/shaderapi.c:932
#7 0x00001bc0f3ea9268 in meta_clear (ctx=0x1bc136746030, buffers=18,
glsl=true) at drivers/common/meta.c:1542
#8 0x00001bc0f3fde9d9 in brw_clear (ctx=0x1bc136746030, mask=0) at
brw_clear.c:263
#9 0x00001bbe5610302e in __register_frame_info () from /usr/X11R6/bin/glxgears
#10 0x00001bbe56103c6d in __register_frame_info () from /usr/X11R6/bin/glxgears
#11 0x00001bbe56101e31 in ?? () from /usr/X11R6/bin/glxgears
#12 0x0000000000000000 in ?? ()
(gdb) p prog
$1 = (gl_program * const) 0x0</pre>
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