https://bugs.freedesktop.org/show_bug.cgi?id=52250
Bug #: 52250
Summary: [softpipe] SIGSEGV sp_tex_sample.c:1536
Classification: Unclassified
Product: Mesa
Version: git
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: critical
Priority: medium
Component: Other
AssignedTo: mesa-dev@lists.freedesktop.org
ReportedBy: v...@freedesktop.org
mesa: 768be75c44a5ce2d11306ad5eb838f0e6a614c19 (master)
Run piglit fbo-cubemap on softpipe.
$ ./bin/fbo-cubemap -auto
Mesa warning: failed to remap index 173
Segmentation fault (core dumped)
(gdb) bt
#0 0x00007fd33e3fab6a in mip_filter_nearest (tgsi_sampler=0x17e8340,
s=0x7fff910ce8d0, t=0x7fff910ce8e0, p=0x0, c0=<optimized out>,
control=<optimized out>, rgba=0x7fff910ce980)
at sp_tex_sample.c:1536
#1 0x00007fd33e3f6a13 in sample_cube (tgsi_sampler=<optimized out>,
s=<optimized out>, t=<optimized out>, p=<optimized out>, c0=<optimized out>,
control=<optimized out>,
rgba=0x7fff910ce980) at sp_tex_sample.c:2160
#2 0x00007fd33e5f170b in fetch_texel (a=0x7fff910ce970, b=0x7fff910ce960,
g=0x7fff910ce950, r=0x7fff910ce940, control=tgsi_sampler_lod_bias,
c0=0x7fd33e7895b0, p=0x7fff910ce960,
t=0x7fff910ce950, s=0x7fff910ce940, sampler=<optimized out>) at
tgsi/tgsi_exec.c:1731
#3 exec_tex (mach=0x1694cd0, inst=0x1828ef0, modifier=<optimized out>) at
tgsi/tgsi_exec.c:1886
#4 0x00007fd33e5f496a in exec_instruction (mach=0x1694cd0, inst=0x1828ef0,
pc=0x7fff910ceecc) at tgsi/tgsi_exec.c:3686
#5 0x00007fd33e5f7848 in tgsi_exec_machine_run (mach=0x1694cd0) at
tgsi/tgsi_exec.c:4288
#6 0x00007fd33e401728 in exec_run (var=0x18aa420, machine=0x1694cd0,
quad=0x16e0c30) at sp_fs_exec.c:133
#7 0x00007fd33e3ebd3a in shade_quad (quad=<optimized out>, qs=<optimized out>)
at sp_quad_fs.c:78
#8 shade_quads (qs=0x1605fe0, quads=0x16e30b0, nr=1) at sp_quad_fs.c:131
#9 0x00007fd33e3f0711 in flush_spans (setup=0x16e0bb0) at sp_setup.c:250
#10 0x00007fd33e3f0c41 in subtriangle (setup=0x16e0bb0, eleft=0x16e0bd8,
eright=0x16e0c08, lines=32) at sp_setup.c:759
#11 0x00007fd33e3f15ff in sp_setup_tri (setup=<optimized out>, v0=<optimized
out>, v1=<optimized out>, v2=<optimized out>) at sp_setup.c:854
#12 0x00007fd33e3e86b9 in sp_vbuf_draw_arrays (vbr=<optimized out>,
start=<optimized out>, nr=4) at sp_prim_vbuf.c:473
#13 0x00007fd33e663934 in draw_pt_emit_linear (emit=<optimized out>,
vert_info=<optimized out>, prim_info=0x7fff910cf2d0) at draw/draw_pt_emit.c:255
#14 0x00007fd33e5d9a28 in emit (prim_info=0x7fff910cf2d0,
vert_info=0x7fff910cf240, emit=<optimized out>) at
draw/draw_pt_fetch_shade_pipeline.c:169
#15 fetch_pipeline_generic (middle=0x16b3800, fetch_info=0x0,
prim_info=0x7fff910cf2d0) at draw/draw_pt_fetch_shade_pipeline.c:287
#16 0x00007fd33e5d9b64 in fetch_pipeline_linear_run (middle=<optimized out>,
start=<optimized out>, count=4, prim_flags=<optimized out>) at
draw/draw_pt_fetch_shade_pipeline.c:346
#17 0x00007fd33e5dd504 in vsplit_run_linear (frontend=0x16b0c00, start=0,
count=4) at draw/draw_split_tmp.h:61
#18 0x00007fd33e5d7f08 in draw_pt_arrays (draw=0x16a9cc0, prim=7, start=0,
count=4) at draw/draw_pt.c:142
#19 0x00007fd33e5d82bd in draw_vbo (draw=0x16a9cc0, info=0x7fff910cf490) at
draw/draw_pt.c:526
#20 0x00007fd33e3e8051 in softpipe_draw_vbo (pipe=0x15da060,
info=0x7fff910cf490) at sp_draw_arrays.c:107
#21 0x00007fd33e4ab2f7 in st_draw_vbo (ctx=0x16e6480, prims=0x175d84c,
nr_prims=1, ib=0x0, index_bounds_valid=<optimized out>, min_index=0,
max_index=3, tfb_vertcount=0x0)
at ../../src/mesa/state_tracker/st_draw.c:265
#22 0x00007fd33e583095 in vbo_exec_vtx_flush (exec=0x175cfb8, keepUnmapped=1
'\001') at ../../src/mesa/vbo/vbo_exec_draw.c:409
#23 0x00007fd33e576c7c in vbo_exec_FlushVertices_internal (exec=0x175cfb8,
unmap=<optimized out>) at ../../src/mesa/vbo/vbo_exec_api.c:539
#24 0x00007fd33e5801c8 in vbo_exec_FlushVertices (ctx=0x16e6480,
flags=<optimized out>) at ../../src/mesa/vbo/vbo_exec_api.c:1296
#25 0x00007fd33e54bfde in enable_texture (ctx=0x16e6480, state=<optimized out>,
texBit=<optimized out>) at ../../src/mesa/main/enable.c:248
#26 0x00007fd33e54d68e in _mesa_set_enable (ctx=0x16e6480, cap=34067, state=0
'\000') at ../../src/mesa/main/enable.c:663
#27 0x00007fd341c8fa81 in stub_glDisable (cap=34067) at
piglit/tests/util/generated_dispatch.c:4933
#28 0x000000000040189f in draw_face (x=1, y=1, dim=32, face=0) at
piglit/tests/fbo/fbo-cubemap.c:152
#29 0x0000000000401959 in piglit_display () at
piglit/tests/fbo/fbo-cubemap.c:178
#30 0x00007fd341c8329d in display () at
piglit/tests/util/piglit-framework-glut.c:53
#31 0x00007fd341f5e220 in fghRedrawWindow (window=0x15d5e60) at
freeglut_main.c:210
#32 fghcbDisplayWindow (window=0x15d5e60, enumerator=0x7fff910cf760) at
freeglut_main.c:227
#33 0x00007fd341f61939 in fgEnumWindows (enumCallback=0x7fd341f5e120
<fghcbDisplayWindow>, enumerator=0x7fff910cf760) at freeglut_structure.c:394
#34 0x00007fd341f5e65a in fghDisplayAll () at freeglut_main.c:249
#35 glutMainLoopEvent () at freeglut_main.c:1450
#36 0x00007fd341f5ef65 in glutMainLoop () at freeglut_main.c:1498
#37 0x00007fd341c8343f in piglit_framework_glut_run (info=0x7fff910cfa00) at
piglit/tests/util/piglit-framework-glut.c:139
#38 0x00007fd341c82e29 in piglit_gl_test_run (argc=1, argv=0x7fff910cfb08,
info=0x7fff910cfa00) at piglit/tests/util/piglit-framework.c:138
#39 0x00000000004013d9 in main (argc=2, argv=0x7fff910cfb08) at
piglit/tests/fbo/fbo-cubemap.c:39
(gdb) frame 0
#0 0x00007fd33e3fab6a in mip_filter_nearest (tgsi_sampler=0x17e8340,
s=0x7fff910ce8d0, t=0x7fff910ce8e0, p=0x0, c0=<optimized out>,
control=<optimized out>, rgba=0x7fff910ce980)
at sp_tex_sample.c:1536
1536 samp->min_img_filter(tgsi_sampler, s[j], t[j], p[j], level,
samp->faces[j], tgsi_sampler_lod_bias, &rgba[0][j]);
(gdb) print p
$1 = (const float *) 0x0
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