https://bugs.freedesktop.org/show_bug.cgi?id=64257
--- Comment #39 from Marc Dietrich marvin24@gmx.de --- maybe unrelated, but R600_DEBUG=sb crashes firefox
Program received signal SIGSEGV, Segmentation fault. 0x00007fffb5586c2e in r600_sb::bc_parser::prepare_alu_group(r600_sb::cf_node*, r600_sb::alu_group_node*) () from /usr/lib64/dri/r600_dri.so (gdb) bt #0 0x00007fffb5586c2e in r600_sb::bc_parser::prepare_alu_group(r600_sb::cf_node*, r600_sb::alu_group_node*) () from /usr/lib64/dri/r600_dri.so #1 0x00007fffb55871ce in r600_sb::bc_parser::prepare_alu_clause(r600_sb::cf_node*) () from /usr/lib64/dri/r600_dri.so #2 0x00007fffb5587b6f in r600_sb::bc_parser::prepare_ir() () from /usr/lib64/dri/r600_dri.so #3 0x00007fffb558a26a in r600_sb_bytecode_process () from /usr/lib64/dri/r600_dri.so #4 0x00007fffb5561564 in r600_pipe_shader_create () from /usr/lib64/dri/r600_dri.so #5 0x00007fffb5575a6d in r600_shader_select () from /usr/lib64/dri/r600_dri.so #6 0x00007fffb5575f1a in r600_create_vs_state () from /usr/lib64/dri/r600_dri.so #7 0x00007fffb52e6e47 in st_get_vp_variant () from /usr/lib64/dri/r600_dri.so #8 0x00007fffb52a646c in update_vp () from /usr/lib64/dri/r600_dri.so #9 0x00007fffb52a271f in st_validate_state () from /usr/lib64/dri/r600_dri.so #10 0x00007fffb52b91f2 in st_draw_vbo () from /usr/lib64/dri/r600_dri.so #11 0x00007fffb5284cb2 in vbo_validated_drawrangeelements () from /usr/lib64/dri/r600_dri.so #12 0x00007fffb5285053 in vbo_exec_DrawElements () from /usr/lib64/dri/r600_dri.so #13 0x00007ffff459dbf5 in ?? () from /usr/lib64/firefox/libxul.so