https://bugs.freedesktop.org/show_bug.cgi?id=79472
Priority: medium
Bug ID: 79472
Keywords: have-backtrace
Assignee: mesa-dev at lists.freedesktop.org
Summary: [llvmpipe] SIGSEGV
src/gallium/auxiliary/draw/draw_cliptest_tmp.h:91
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: vlee at freedesktop.org
Hardware: x86-64 (AMD64)
Status: NEW
Version: git
Component: Mesa core
Product: Mesa
mesa: 83bba8f14603022c6c80bef95020e079d7cb73c0 (master 10.3.0-devel)
Run piglit clip-distance-out-values on llvmpipe.
$ ./bin/shader_runner
tests/spec/glsl-1.50/execution/geometry/clip-distance-out-values.shader_test
-auto
Segmentation fault (core dumped)
(gdb) bt
#0 0x00007fb187cb25d9 in do_cliptest_xy_fullz_user_viewport (pvs=0x165dce0,
info=0x7fff08c97e80, prim_info=0x7fff08c97ec0)
at src/gallium/auxiliary/draw/draw_cliptest_tmp.h:91
#1 0x00007fb187cb3e10 in draw_pt_post_vs_run (pvs=0x165dce0,
info=0x7fff08c97e80, prim_info=0x7fff08c97ec0)
at src/gallium/auxiliary/draw/draw_pt_post_vs.c:123
#2 0x00007fb187d7adbf in llvm_pipeline_generic (middle=0x165dbb0,
fetch_info=0x0, in_prim_info=0x7fff08c97fa0)
at src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c:456
#3 0x00007fb187d7af95 in llvm_middle_end_linear_run (middle=0x165dbb0,
start=0, count=1, prim_flags=0)
at src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c:532
#4 0x00007fb187cb6f71 in vsplit_segment_simple_linear (vsplit=0x165ad60,
flags=0, istart=0, icount=1)
at src/gallium/auxiliary/draw/draw_pt_vsplit_tmp.h:240
#5 0x00007fb187cb7268 in vsplit_run_linear (frontend=0x165ad60, start=0,
count=1) at src/gallium/auxiliary/draw/draw_split_tmp.h:60
#6 0x00007fb187cab18b in draw_pt_arrays (draw=0x164bb30, prim=0, start=0,
count=1) at src/gallium/auxiliary/draw/draw_pt.c:149
#7 0x00007fb187cabff0 in draw_vbo (draw=0x164bb30, info=0x7fff08c98100) at
src/gallium/auxiliary/draw/draw_pt.c:564
#8 0x00007fb1878f2fb1 in llvmpipe_draw_vbo (pipe=0x1649f50,
info=0x7fff08c98250) at src/gallium/drivers/llvmpipe/lp_draw_arrays.c:126
#9 0x00007fb187c8fea3 in cso_draw_vbo (cso=0x16dda70, info=0x7fff08c98250) at
src/gallium/auxiliary/cso_cache/cso_context.c:1428
#10 0x00007fb187a9de6b in st_draw_vbo (ctx=0x7fb18b112010,
prims=0x7fff08c98320, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001',
min_index=0,
max_index=0, tfb_vertcount=0x0, indirect=0x0) at
src/mesa/state_tracker/st_draw.c:276
#11 0x00007fb187b76c0b in vbo_draw_arrays (ctx=0x7fb18b112010, mode=0, start=0,
count=1, numInstances=1, baseInstance=0)
at src/mesa/vbo/vbo_exec_array.c:667
#12 0x00007fb187b77656 in vbo_exec_DrawArrays (mode=0, start=0, count=1) at
src/mesa/vbo/vbo_exec_array.c:819
#13 0x00007fb18ac3709e in stub_glDrawArrays (mode=0, first=0, count=1) at
piglit/tests/util/generated_dispatch.c:6274
#14 0x0000000000409343 in piglit_display () at
piglit/tests/shaders/shader_runner.c:1939
#15 0x00007fb18ac287e2 in display () at
piglit/tests/util/piglit-framework-gl/piglit_glut_framework.c:60
#16 0x00007fb18a3c0244 in fghRedrawWindow (window=0x1646490) at
freeglut_main.c:231
#17 fghcbDisplayWindow (window=0x1646490, enumerator=0x7fff08c985f0) at
freeglut_main.c:248
#18 0x00007fb18a3c3aa9 in fgEnumWindows
(enumCallback=enumCallback at entry=0x7fb18a3c01d0 <fghcbDisplayWindow>,
enumerator=enumerator at entry=0x7fff08c985f0) at freeglut_structure.c:396
#19 0x00007fb18a3c07fd in fghDisplayAll () at freeglut_main.c:271
#20 glutMainLoopEvent () at freeglut_main.c:1523
#21 0x00007fb18a3c0ffd in glutMainLoop () at freeglut_main.c:1571
#22 0x00007fb18ac28ac4 in run_test (gl_fw=0x7fb18af17380 <glut_fw>, argc=2,
argv=0x7fff08c989c8)
at piglit/tests/util/piglit-framework-gl/piglit_glut_framework.c:154
#23 0x00007fb18ac26819 in piglit_gl_test_run (argc=2, argv=0x7fff08c989c8,
config=0x7fff08c98890)
at piglit/tests/util/piglit-framework-gl.c:151
#24 0x000000000040468e in main (argc=2, argv=0x7fff08c989c8) at
piglit/tests/shaders/shader_runner.c:60
(gdb) frame 0
#0 0x00007fb187cb25d9 in do_cliptest_xy_fullz_user_viewport (pvs=0x165dce0,
info=0x7fff08c97e80, prim_info=0x7fff08c97ec0)
at src/gallium/auxiliary/draw/draw_cliptest_tmp.h:91
91 out->clip[i] = clipvertex[i];
(gdb) print i
$1 = 0
(gdb) print out->clip[i]
$2 = 4.58070455e-41
(gdb) print clipvertex[i]
Cannot access memory at address 0x1001addd44
(gdb) print clipvertex
$3 = (float *) 0x1001addd44
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