[Bug 31568] New: [r300g] SIGSEGV src/mesa/vbo/vbo_exec_array.c:1154

[bugzilla-daemon@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=31568

           Summary: [r300g] SIGSEGV src/mesa/vbo/vbo_exec_array.c:1154
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/Gallium/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: vlee@vmware.com


mesa: d18df9e336b5d2e68a4a6185f7b9d0d0c095c3c4 (master)

chipset: RV530 71C5 (ATI Radeon X1600)
system architecture: i686
libdrm-dev: 2.4.21-1ubuntu2.1
kernel version: 2.6.35-22-generic
Linux distribution: Ubuntu 10.10 i386
Machine model: iMac4,1

Run piglit bgra-sec-color-pointer test.

$ ./bin/bgra-sec-color-pointer-test
...
Segmentation fault (core dumped)

(gdb) bt
#0  0x0183d923 in vbo_exec_MultiDrawElements (mode=3, count=0x1401, type=4,
indices=0x804f1d0, primcount=143224880) at src/mesa/vbo/vbo_exec_array.c:1154
#1  0x0804a622 in piglit_display () at
piglit/tests/general/bgra-sec-color-pointer.c:82
#2  0x0804c847 in display () at piglit/tests/util/piglit-framework.c:52
#3  0x00755820 in fghRedrawWindow (window=0x88a2060, enumerator=0xbfd29688) at
freeglut_main.c:210
#4  fghcbDisplayWindow (window=0x88a2060, enumerator=0xbfd29688) at
freeglut_main.c:227
#5  0x00759660 in fgEnumWindows (enumCallback=0x755790 <fghcbDisplayWindow>,
enumerator=0xbfd29688) at freeglut_structure.c:394
#6  0x00755cdb in fghDisplayAll () at freeglut_main.c:249
#7  glutMainLoopEvent () at freeglut_main.c:1450
#8  0x00756605 in glutMainLoop () at freeglut_main.c:1498
#9  0x0804c9f0 in main (argc=1, argv=0xbfd29914) at
piglit/tests/util/piglit-framework.c:118
(gdb) frame 0
#0  0x0183d923 in vbo_exec_MultiDrawElements (mode=3, count=0x1401, type=4,
indices=0x804f1d0, primcount=143224880) at src/mesa/vbo/vbo_exec_array.c:1154
1154          if (!_mesa_validate_DrawElements(ctx, mode, count[i], type,
indices[i],
(gdb) l
1149       GLint i;
1150    
1151       ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
1152    
1153       for (i = 0; i < primcount; i++) {
1154          if (!_mesa_validate_DrawElements(ctx, mode, count[i], type,
indices[i],
1155                           0))
1156         return;
1157       }
1158

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