[Bug 43769] New: [i915g] src/gallium/drivers/i915/i915_fpc_translate.c:658:i915_translate_instruction: Assertion `0' failed.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=43769

             Bug #: 43769
           Summary: [i915g]
                    src/gallium/drivers/i915/i915_fpc_translate.c:658:i915
                    _translate_instruction: Assertion `0' 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 at lists.freedesktop.org
        ReportedBy: vlee at vmware.com


mesa: 23895cc006f3dbf96a502ddd15e291e071aff25a (master)

Run piglit glsl-fs-discard-03 test on i915g.

$ ./bin/shader_runner tests/shaders/glsl-fs-discard-03.shader_test -auto
src/gallium/drivers/i915/i915_fpc_translate.c:658:i915_translate_instruction:
Assertion `0' failed.
Trace/breakpoint trap (core dumped)

(gdb) bt
#0  0x01126e18 in _debug_assert_fail (expr=0x1aa052a "0", file=0x1aa03d8
"src/gallium/drivers/i915/i915_fpc_translate.c", line=658, 
    function=0x1aa0860 "i915_translate_instruction") at
src/gallium/auxiliary/util/u_debug.c:278
#1  0x010d4666 in i915_translate_instruction (p=0xa1b7528, inst=0xa1c08c8,
fs=0xa1c0118) at src/gallium/drivers/i915/i915_fpc_translate.c:658
#2  0x010d62fe in i915_translate_token (p=0xa1b7528, token=0xa1c08c8,
fs=0xa1c0118) at src/gallium/drivers/i915/i915_fpc_translate.c:1157
#3  0x010d6372 in i915_translate_instructions (p=0xa1b7528, tokens=0xa15af08,
fs=0xa1c0118) at src/gallium/drivers/i915/i915_fpc_translate.c:1178
#4  0x010d690c in i915_translate_fragment_program (i915=0xa0678c0,
fs=0xa1c0118) at src/gallium/drivers/i915/i915_fpc_translate.c:1340
#5  0x010ce7d6 in i915_create_fs_state (pipe=0xa0678c0, templ=0xa1ebee4) at
src/gallium/drivers/i915/i915_state.c:577
#6  0x010f8910 in aaline_create_fs_state (pipe=0xa0678c0, fs=0xa1ebee4) at
src/gallium/auxiliary/draw/draw_pipe_aaline.c:856
#7  0x010faa2f in aapoint_create_fs_state (pipe=0xa0678c0, fs=0xa1ebee4) at
src/gallium/auxiliary/draw/draw_pipe_aapoint.c:839
#8  0x01955608 in st_translate_fragment_program (st=0xa155488, stfp=0xa1dbb88,
key=0xbf932470) at src/mesa/state_tracker/st_program.c:710
#9  0x01955729 in st_get_fp_variant (st=0xa155488, stfp=0xa1dbb88,
key=0xbf932470) at src/mesa/state_tracker/st_program.c:747
#10 0x01a0113d in update_fp (st=0xa155488) at
src/mesa/state_tracker/st_atom_shader.c:86
#11 0x019fd43b in st_validate_state (st=0xa155488) at
src/mesa/state_tracker/st_atom.c:177
#12 0x01a07eec in st_Clear (ctx=0xa0ff3d8, mask=2) at
src/mesa/state_tracker/st_cb_clear.c:507
#13 0x0197eeb3 in _mesa_Clear (mask=16384) at src/mesa/main/clear.c:242
#14 0x08072795 in piglit_display () at
piglit/tests/shaders/shader_runner.c:1084
#15 0x08074147 in display () at piglit/tests/util/piglit-framework.c:56
#16 0x0076bc1e in fghRedrawWindow (window=0xa05fa28) at freeglut_main.c:210
#17 fghcbDisplayWindow (window=0xa05fa28, enumerator=0xbf9327b8) at
freeglut_main.c:227
#18 0x0076f590 in fgEnumWindows (enumCallback=0x76bb20 <fghcbDisplayWindow>,
enumerator=0xbf9327b8) at freeglut_structure.c:394
#19 0x0076c02e in fghDisplayAll () at freeglut_main.c:249
#20 glutMainLoopEvent () at freeglut_main.c:1450
#21 0x0076c935 in glutMainLoop () at freeglut_main.c:1498
#22 0x0807487e in main (argc=2, argv=0xbf932a24) at
piglit/tests/util/piglit-framework.c:294
(gdb) frame 1
#1  0x010d4666 in i915_translate_instruction (p=0xa1b7528, inst=0xa1c08c8,
fs=0xa1c0118) at src/gallium/drivers/i915/i915_fpc_translate.c:658
658          assert(0); /* not tested yet */
(gdb) l
653                          T0_TEXKILL,            /* opcode */
654                          1);                    /* num_coord */
655          break;
656    
657       case TGSI_OPCODE_KILP:
658          assert(0); /* not tested yet */
659          break;
660    
661       case TGSI_OPCODE_LG2:
662          src0 = src_vector(p, &inst->Src[0], fs);

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