[Bug 43768] New: [i915g] src/gallium/drivers/i915/i915_fpc_translate.c:1101:i915_translate_token: Assertion `ifs->constant_flags[i] == 0x0' failed.

[bugzilla-daemon@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=43768

             Bug #: 43768
           Summary: [i915g]
                    src/gallium/drivers/i915/i915_fpc_translate.c:1101:i91
                    5_translate_token: Assertion `ifs->constant_flags[i]
                    == 0x0' 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 glsl-fs-convolution-1 test on i915g.

$ ./bin/shader_runner tests/shaders/glsl-fs-convolution-1.shader_test -auto
src/gallium/drivers/i915/i915_fpc_translate.c:1101:i915_translate_token:
Assertion `ifs->constant_flags[i] == 0x0' failed.
Trace/breakpoint trap (core dumped)

(gdb) bt
#0  0x010eee18 in _debug_assert_fail (expr=0x1a68743 "ifs->constant_flags[i] ==
0x0", file=0x1a683d8 "src/gallium/drivers/i915/i915_fpc_translate.c", 
    line=1101, function=0x1a6884b "i915_translate_token") at
src/gallium/auxiliary/util/u_debug.c:278
#1  0x0109e0ad in i915_translate_token (p=0x98611f8, token=0x98a23f8,
fs=0x98602f8) at src/gallium/drivers/i915/i915_fpc_translate.c:1101
#2  0x0109e372 in i915_translate_instructions (p=0x98611f8, tokens=0x9867890,
fs=0x98602f8) at src/gallium/drivers/i915/i915_fpc_translate.c:1178
#3  0x0109e90c in i915_translate_fragment_program (i915=0x96ce8c0,
fs=0x98602f8) at src/gallium/drivers/i915/i915_fpc_translate.c:1340
#4  0x010967d6 in i915_create_fs_state (pipe=0x96ce8c0, templ=0x98d977c) at
src/gallium/drivers/i915/i915_state.c:577
#5  0x010c0910 in aaline_create_fs_state (pipe=0x96ce8c0, fs=0x98d977c) at
src/gallium/auxiliary/draw/draw_pipe_aaline.c:856
#6  0x010c2a2f in aapoint_create_fs_state (pipe=0x96ce8c0, fs=0x98d977c) at
src/gallium/auxiliary/draw/draw_pipe_aapoint.c:839
#7  0x0191d608 in st_translate_fragment_program (st=0x97bc488, stfp=0x98c9420,
key=0xbfa60ca0) at src/mesa/state_tracker/st_program.c:710
#8  0x0191d729 in st_get_fp_variant (st=0x97bc488, stfp=0x98c9420,
key=0xbfa60ca0) at src/mesa/state_tracker/st_program.c:747
#9  0x019c913d in update_fp (st=0x97bc488) at
src/mesa/state_tracker/st_atom_shader.c:86
#10 0x019c543b in st_validate_state (st=0x97bc488) at
src/mesa/state_tracker/st_atom.c:177
#11 0x01918144 in st_draw_vbo (ctx=0x97663d8, arrays=0x97bf8a0,
prims=0xbfa60dec, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001', min_index=0,
max_index=3)
    at src/mesa/state_tracker/st_draw.c:979
#12 0x019ab5ff in vbo_draw_arrays (ctx=0x97663d8, mode=7, start=0, count=4,
numInstances=1) at src/mesa/vbo/vbo_exec_array.c:620
#13 0x019ab757 in vbo_exec_DrawArrays (mode=7, start=0, count=4) at
src/mesa/vbo/vbo_exec_array.c:651
#14 0x0809cbf6 in piglit_draw_rect (x=-1, y=-1, w=2, h=2) at
piglit/tests/util/piglit-util-gl.c:647
#15 0x0807289d in piglit_display () at
piglit/tests/shaders/shader_runner.c:1095
#16 0x08074147 in display () at piglit/tests/util/piglit-framework.c:56
#17 0x0062ec1e in fghRedrawWindow (window=0x96c6a28) at freeglut_main.c:210
#18 fghcbDisplayWindow (window=0x96c6a28, enumerator=0xbfa61118) at
freeglut_main.c:227
#19 0x00632590 in fgEnumWindows (enumCallback=0x62eb20 <fghcbDisplayWindow>,
enumerator=0xbfa61118) at freeglut_structure.c:394
#20 0x0062f02e in fghDisplayAll () at freeglut_main.c:249
#21 glutMainLoopEvent () at freeglut_main.c:1450
#22 0x0062f935 in glutMainLoop () at freeglut_main.c:1498
#23 0x0807487e in main (argc=2, argv=0xbfa61384) at
piglit/tests/util/piglit-framework.c:294
(gdb) frame 1
#1  0x0109e0ad in i915_translate_token (p=0x98611f8, token=0x98a23f8,
fs=0x98602f8) at src/gallium/drivers/i915/i915_fpc_translate.c:1101
1101                assert(ifs->constant_flags[i] == 0x0);
(gdb) info locals
i = 32
ifs = 0x98602f8
__FUNCTION__ = "i915_translate_token"
(gdb) print ifs->constant_flags[i]
$1 = 255 '\377'

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