https://bugs.freedesktop.org/show_bug.cgi?id=43770

Bug #: 43770 Summary: [i915g] src/gallium/drivers/i915/i915_fpc_emit.c:153:i915_emit _arith: Assertion `(((dest)>>29)&0x7) != 2' failed. Classification: Unclassified Product: Mesa Version: git Platform: x86 (IA32) OS/Version: Linux (All) Status: NEW Severity: critical Priority: medium Component: Drivers/Gallium/i915g AssignedTo: dri-devel@lists.freedesktop.org ReportedBy: vlee@vmware.com

mesa: 23895cc006f3dbf96a502ddd15e291e071aff25a (master)

Run piglit fs-temp-array-mat3-index-col-row-rd test on i915g.

$ ./bin/shader_runner tests/spec/glsl-1.20/execution/variable-indexing/fs-temp-array-mat3-index-col-row-rd.shader_test -auto Too many temps (16) Too many temps (17) Too many temps (18) Too many temps (19) Too many temps (20) Too many temps (21) Too many temps (22) Too many temps (23) Too many temps (24) Too many temps (25) Too many temps (26) Too many temps (27) Too many temps (28) Too many temps (29) Too many temps (30) Too many temps (31) Too many temps (32) Too many temps (33) Too many temps (34) Too many temps (35) Too many temps (36) Too many temps (37) Too many temps (38) Too many temps (39) Too many temps (40) Too many temps (41) Too many temps (42) Too many temps (43) Too many temps (44) Too many temps (45) Too many temps (46) Too many temps (47) Too many temps (48) Too many temps (49) Too many temps (50) Too many temps (51) Too many temps (52) Too many temps (53) Too many temps (54) Too many temps (55) Too many temps (56) Too many temps (57) Too many temps (58) Too many temps (59) Too many temps (60) Too many temps (61) Too many temps (62) Too many temps (63) Too many temps (64) Too many temps (65) Too many temps (66) Too many temps (67) i915_program_error: Exceeded max temporary reg i915_program_error: bad opcode 0 i915_program_error: Exceeded max temporary reg i915_program_error: bad opcode 0 i915_program_error: Exceeded max temporary reg i915_program_error: Exceeded max temporary reg i915_program_error: Exceeded max temporary reg i915_program_error: bad opcode 0 i915_program_error: Exceeded max temporary reg i915_program_error: Exceeded max temporary reg i915_program_error: Exceeded max temporary reg src/gallium/drivers/i915/i915_fpc_emit.c:153:i915_emit_arith: Assertion `(((dest)>>29)&0x7) != 2' failed. Trace/breakpoint trap (core dumped)

(gdb) bt #0 0x01093e18 in _debug_assert_fail (expr=0x1a0edfd "(((dest)>>29)&0x7) != 2", file=0x1a0edd4 "src/gallium/drivers/i915/i915_fpc_emit.c", line=153, function=0x1a0ef40 "i915_emit_arith") at src/gallium/auxiliary/util/u_debug.c:278 #1 0x0104a6fa in i915_emit_arith (p=0x826d840, op=318767104, dest=1090593605, mask=15360, saturate=0, src0=1073741893, src1=0, src2=0) at src/gallium/drivers/i915/i915_fpc_emit.c:153 #2 0x0104251f in i915_translate_instruction (p=0x826d840, inst=0x8266a40, fs=0x825ca90) at src/gallium/drivers/i915/i915_fpc_translate.c:884 #3 0x010432fe in i915_translate_token (p=0x826d840, token=0x8266a40, fs=0x825ca90) at src/gallium/drivers/i915/i915_fpc_translate.c:1157 #4 0x01043372 in i915_translate_instructions (p=0x826d840, tokens=0x82598f8, fs=0x825ca90) at src/gallium/drivers/i915/i915_fpc_translate.c:1178 #5 0x0104390c in i915_translate_fragment_program (i915=0x81068c0, fs=0x825ca90) at src/gallium/drivers/i915/i915_fpc_translate.c:1340 #6 0x0103b7d6 in i915_create_fs_state (pipe=0x81068c0, templ=0x828f134) at src/gallium/drivers/i915/i915_state.c:577 #7 0x01065910 in aaline_create_fs_state (pipe=0x81068c0, fs=0x828f134) at src/gallium/auxiliary/draw/draw_pipe_aaline.c:856 #8 0x01067a2f in aapoint_create_fs_state (pipe=0x81068c0, fs=0x828f134) at src/gallium/auxiliary/draw/draw_pipe_aapoint.c:839 #9 0x018c2608 in st_translate_fragment_program (st=0x81f4488, stfp=0x827edd8, key=0xbfe38da0) at src/mesa/state_tracker/st_program.c:710 #10 0x018c2729 in st_get_fp_variant (st=0x81f4488, stfp=0x827edd8, key=0xbfe38da0) at src/mesa/state_tracker/st_program.c:747 #11 0x0196e13d in update_fp (st=0x81f4488) at src/mesa/state_tracker/st_atom_shader.c:86 #12 0x0196a43b in st_validate_state (st=0x81f4488) at src/mesa/state_tracker/st_atom.c:177 #13 0x01974eec in st_Clear (ctx=0x819e3d8, mask=2) at src/mesa/state_tracker/st_cb_clear.c:507 #14 0x018ebeb3 in _mesa_Clear (mask=16384) at src/mesa/main/clear.c:242 #15 0x08072795 in piglit_display () at piglit/tests/shaders/shader_runner.c:1084 #16 0x08074147 in display () at piglit/tests/util/piglit-framework.c:56 #17 0x007f2c1e in fghRedrawWindow (window=0x80fea28) at freeglut_main.c:210 #18 fghcbDisplayWindow (window=0x80fea28, enumerator=0xbfe390e8) at freeglut_main.c:227 #19 0x007f6590 in fgEnumWindows (enumCallback=0x7f2b20 <fghcbDisplayWindow>, enumerator=0xbfe390e8) at freeglut_structure.c:394 #20 0x007f302e in fghDisplayAll () at freeglut_main.c:249 #21 glutMainLoopEvent () at freeglut_main.c:1450 #22 0x007f3935 in glutMainLoop () at freeglut_main.c:1498 #23 0x0807487e in main (argc=2, argv=0xbfe39354) at piglit/tests/util/piglit-framework.c:294 (gdb) frame 1 #1 0x0104a6fa in i915_emit_arith (p=0x826d840, op=318767104, dest=1090593605, mask=15360, saturate=0, src0=1073741893, src1=0, src2=0) at src/gallium/drivers/i915/i915_fpc_emit.c:153 153 assert(GET_UREG_TYPE(dest) != REG_TYPE_CONST); (gdb) print /x dest $1 = 0x41012345