[Bug 73649] New: SIGSEGV: r600_sb::bc_parser::decode_shader() - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 73649] New: SIGSEGV: r600_sb::bc_parser::decode_shader()
Date: Wed, 15 Jan 2014 06:36:54 +0000	[thread overview]
Message-ID: <bug-73649-502@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=73649

          Priority: medium
            Bug ID: 73649
          Assignee: dri-devel@lists.freedesktop.org
           Summary: SIGSEGV: r600_sb::bc_parser::decode_shader()
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: octoploid@yandex.com
          Hardware: Other
            Status: NEW
           Version: 10.0
         Component: Drivers/Gallium/r600
           Product: Mesa

Trying to run the http://code.google.com/p/glyphy/ demo with 
r600 LLVM backend enabled I get:

Enter: demo_glstate_create
Enter: demo_shader_create_program
Enter: compile_shader
Leave: compile_shader
Enter: compile_shader
Leave: compile_shader
Enter: link_program
Leave: link_program
Leave: demo_shader_create_program
Enter: demo_atlas_create
Leave: demo_atlas_create
Leave: demo_glstate_create
Enter: demo_view_create
Leave: demo_view_create
Welcome to GLyphy demo
 45 glyphs; avg num endpoints 23.78; avg error 60.4%; avg tex fetch 2.96; avg 
2.23kb per glyph
Setting vsync on.
Setting sRGB framebuffer on.
No sRGB framebuffer extension found; failed to set sRGB framebuffer
Setting debug to 0
Setting contrast to 1
Setting gamma_adjust to 1
Setting outline to 0
Setting outline_thickness to 1
Setting boldness to 0

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6a865e6 in r600_sb::bc_parser::decode_shader() () from
/usr/lib64/dri/r600_dri.so
(gdb) bt
#0  0x00007ffff6a865e6 in r600_sb::bc_parser::decode_shader() () from
/usr/lib64/dri/r600_dri.so
#1  0x00007ffff6a8b23e in r600_sb_bytecode_process () from
/usr/lib64/dri/r600_dri.so
#2  0x00007ffff6a20966 in r600_shader_select () from /usr/lib64/dri/r600_dri.so
#3  0x00007ffff6a22100 in r600_create_shader_state () from
/usr/lib64/dri/r600_dri.so
#4  0x00007ffff6b69bae in st_translate_fragment_program () from
/usr/lib64/dri/r600_dri.so
#5  0x00007ffff6b6bf66 in st_get_fp_variant () from /usr/lib64/dri/r600_dri.so
#6  0x00007ffff6a60a15 in update_fp () from /usr/lib64/dri/r600_dri.so
#7  0x00007ffff6a7a63f in st_validate_state () from /usr/lib64/dri/r600_dri.so
#8  0x00007ffff68e807a in st_Clear.lto_priv.2949 () from
/usr/lib64/dri/r600_dri.so
#9  0x0000000000406df2 in demo_view_display (vu=0x9f0ae0, buffer=0x83e260) at
demo-view.cc:640
#10 0x00007ffff7bc2934 in fghcbDisplayWindow () from /usr/lib/libglut.so.3
#11 0x00007ffff7bc63f9 in fgEnumWindows () from /usr/lib/libglut.so.3
#12 0x00007ffff7bc2f55 in glutMainLoopEvent () from /usr/lib/libglut.so.3
#13 0x00007ffff7bc373d in glutMainLoop () from /usr/lib/libglut.so.3
#14 0x0000000000403250 in main (argc=1, argv=<optimized out>) at
glyphy-demo.cc:136

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