[Bug 91399] [i965] brw::vec4_visitor::run SIGSEGV on OpenBSD
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sun Jul 19 18:58:53 PDT 2015
https://bugs.freedesktop.org/show_bug.cgi?id=91399
Bug ID: 91399
Summary: [i965] brw::vec4_visitor::run SIGSEGV on OpenBSD
Product: Mesa
Version: 10.6
Hardware: Other
OS: OpenBSD
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/i965
Assignee: idr at freedesktop.org
Reporter: jsg at openbsd.org
QA Contact: intel-3d-bugs at lists.freedesktop.org
When building the 10.6 branch I ran into the Following crash on OpenBSD with
glxgears. I didn't see the same with master. My 10.6 has a few additional
patches to build on OpenBSD but none in src/mesa/drivers/dri/i965.
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.
0x0000026dba64bd6a in brw::vec4_visitor::run (this=0x7f7ffffc5ca0) at
brw_vec4.cpp:1714
1714 sanity_param_count = prog->Parameters->NumParameters;
Current language: auto; currently c++
(gdb) bt
#0 0x0000026dba64bd6a in brw::vec4_visitor::run (this=0x7f7ffffc5ca0) at
brw_vec4.cpp:1714
#1 0x0000026dba64c6f9 in brw_vs_emit (brw=0x26d720ed030, prog=0x26d1285ec30,
c=0x7f7ffffc6ca0,
prog_data=0x7f7ffffc6bb0, mem_ctx=0x26cf41adb70,
final_assembly_size=0x7f7ffffc6d54) at brw_vec4.cpp:1936
#2 0x0000026dba673238 in brw_codegen_vs_prog (brw=0x26d720ed030,
prog=0x26d1285ec30, vp=0x26d25b66000, key=Variable "key" is not available.
)
at brw_vs.c:293
#3 0x0000026dba6734a3 in brw_vs_precompile (ctx=0x26d720ed030,
shader_prog=0x26d1285ec30, prog=0x26d25b66000)
at brw_vs.c:529
#4 0x0000026dba640ca7 in brw_link_shader (ctx=0x26d720ed030,
shProg=0x26d1285ec30) at brw_shader.cpp:84
#5 0x0000026dba427ee9 in _mesa_glsl_link_shader (ctx=0x26d720ed030,
prog=0x26d1285ec30)
at program/ir_to_mesa.cpp:2964
#6 0x0000026dba3357aa in link_program (ctx=0x26d720ed030, program=Variable
"program" is not available.
) at main/shaderapi.c:946
#7 0x0000026dba425338 in meta_clear (ctx=0x26d720ed030, buffers=18, glsl=true)
at drivers/common/meta.c:1546
#8 0x0000026dba57d809 in brw_clear (ctx=0x26d720ed030, mask=0) at
brw_clear.c:263
#9 0x0000026aeab0302e in __register_frame_info () from /usr/X11R6/bin/glxgears
#10 0x0000026aeab03c6d in __register_frame_info () from /usr/X11R6/bin/glxgears
#11 0x0000026aeab01e31 in ?? () from /usr/X11R6/bin/glxgears
#12 0x0000000000000000 in ?? ()
(gdb) p prog
$1 = (gl_program * const) 0x0
Extended renderer info (GLX_MESA_query_renderer):
Vendor: Intel Open Source Technology Center (0x8086)
Device: Mesa DRI Intel(R) Ironlake Mobile (0x46)
Version: 10.6.2
Accelerated: yes
Video memory: 192MB
Unified memory: yes
Preferred profile: compat (0x2)
Max core profile version: 0.0
Max compat profile version: 2.1
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 2.0
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Ironlake Mobile
OpenGL version string: 2.1 Mesa 10.6.2 (git-e7f2411)
OpenGL shading language version string: 1.20
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