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