[Bug 32887] New: [r600g] SIGSEGV src/gallium/drivers/r600/r600_state.c:237

[bugzilla-daemon@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=32887

           Summary: [r600g] SIGSEGV
                    src/gallium/drivers/r600/r600_state.c:237
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: vlee@vmware.com


mesa: 6d9ca78ef7bf831b9b63f4bda68623cbae627508 (master)

chipset: RV620
system architecture: i686
libdrm-dev: 2.14.21-1ubuntu2.1
kernel version: 2.6.35-24-generic
Linux distribution: Ubuntu 10.10 i386

Run piglit fbo-generatemipmap-formats test.

$ ./bin/fbo-generatemipmap-formats -auto

Using test set: Core formats
Testing 3
Testing 4
Testing GL_RGB
Testing GL_RGBA
Testing GL_ALPHA
Probe at (129,1)
  Expected: 1.000000 1.000000 1.000000 0.250000
  Observed: 1.000000 1.000000 1.000000 0.000000
Testing GL_LUMINANCE
Probe at (1,1)
  Expected: 1.000000 1.000000 1.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 1.000000
Testing GL_LUMINANCE_ALPHA
Testing GL_INTENSITY
Probe at (1,1)
  Expected: 1.000000 1.000000 1.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.000000
Testing GL_ALPHA4
Probe at (129,1)
  Expected: 1.000000 1.000000 1.000000 0.250000
  Observed: 1.000000 1.000000 1.000000 0.000000
Testing GL_ALPHA8
Probe at (129,1)
  Expected: 1.000000 1.000000 1.000000 0.250000
  Observed: 1.000000 1.000000 1.000000 0.000000
Testing GL_ALPHA12
Segmentation fault (core dumped)


Program terminated with signal 11, Segmentation fault.
#0  0x01108338 in r600_draw_common (draw=0xbf9537b4) at
src/gallium/drivers/r600/r600_state.c:237
237        if (rctx->vertex_elements->count <
rctx->vs_shader->shader.bc.nresource) {
(gdb) bt
#0  0x01108338 in r600_draw_common (draw=0xbf9537b4) at
src/gallium/drivers/r600/r600_state.c:237
#1  0x011087c9 in r600_draw_vbo (ctx=0x8fdad50, info=0xbf953c34) at
src/gallium/drivers/r600/r600_state.c:307
#2  0x0125fbcd in st_draw_vbo (ctx=0x92ec4b0, arrays=0x932e590,
prims=0xbf953cdc, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001', min_index=0,
max_index=3) at src/mesa/state_tracker/st_draw.c:732
#3  0x012e5961 in vbo_draw_arrays (ctx=0x92ec4b0, mode=7, start=0, count=4,
numInstances=1) at src/mesa/vbo/vbo_exec_array.c:588
#4  0x012e5ac8 in vbo_exec_DrawArrays (mode=7, start=0, count=4) at
src/mesa/vbo/vbo_exec_array.c:619
#5  0x0804d636 in piglit_draw_rect_tex ()
#6  0x0804b4e3 in draw_mipmap ()
#7  0x0804bbd9 in test_format ()
#8  0x0804bd02 in piglit_display ()
#9  0x0804de93 in display ()
#10 0x00a8b820 in fghRedrawWindow (window=DWARF-2 expression error: DW_OP_reg
operations must be used either alone or in conjuction with DW_OP_piece or
DW_OP_bit_piece.
) at freeglut_main.c:210
#11 fghcbDisplayWindow (window=DWARF-2 expression error: DW_OP_reg operations
must be used either alone or in conjuction with DW_OP_piece or DW_OP_bit_piece.
) at freeglut_main.c:227
#12 0x00a8f660 in fgEnumWindows (enumCallback=0xa8b790 <fghcbDisplayWindow>,
enumerator=0xbf953f88) at freeglut_structure.c:394
#13 0x00a8bcdb in fghDisplayAll () at freeglut_main.c:249
#14 glutMainLoopEvent () at freeglut_main.c:1450
#15 0x00a8c605 in glutMainLoop () at freeglut_main.c:1498
#16 0x0804e03c in main ()
(gdb) frame 0
#0  0x01108338 in r600_draw_common (draw=0xbf9537b4) at
src/gallium/drivers/r600/r600_state.c:237
237        if (rctx->vertex_elements->count <
rctx->vs_shader->shader.bc.nresource) {
(gdb) print rctx->vertex_elements
$1 = (struct r600_vertex_element *) 0x0

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