Comment 6 for bug 568230

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff1d2fd79 in radeonFlush (ctx=0xbe72e0) at radeon_common.c:1107
1107 if ((ctx->DrawBuffer->Name == 0) && radeon->front_buffer_dirty) {
(gdb) bt
#0 0x00007ffff1d2fd79 in radeonFlush (ctx=0xbe72e0) at radeon_common.c:1107
#1 0x00007ffff1d20ae5 in radeon_firevertices (radeon=0xbe0a60) at radeon_cmdbuf.h:118
#2 0x00007ffff1d20a10 in r300DeleteTexture (ctx=0xbe72e0, texObj=0x12404d0)
    at r300_tex.c:262
#3 0x00007ffff1de3559 in _mesa_reference_texobj (ptr=0xbf2930, tex=0x0)
    at main/texobj.c:345
#4 0x00007ffff1de8963 in _mesa_free_texture_data (ctx=0xbe72e0) at main/texstate.c:788
#5 0x00007ffff1d511c5 in _mesa_free_context_data (ctx=0xbe72e0) at main/context.c:972
#6 0x00007ffff1d5137c in _mesa_destroy_context (ctx=0xbe72e0) at main/context.c:1028
#7 0x00007ffff1d2c0d7 in radeonDestroyContext (driContextPriv=0xbd6450)
    at radeon_common_context.c:328
#8 0x00007ffff1cfcf1d in driDestroyContext (pcp=0xbd6450) at ../common/dri_util.c:546
#9 0x00007ffff703f8c6 in driDestroyContext (context=0xb83290, psc=0xbd5fc0,
    dpy=0xa8ac10) at dri_glx.c:482
#10 0x00007ffff7007810 in DestroyContext (dpy=0xa8ac10, gc=0xbe08b0) at glxcmds.c:556
#11 0x00007ffff70079b0 in glXDestroyContext (dpy=0xa8ac10, gc=0xbe08b0) at glxcmds.c:592
#12 0x00007ffff6b9df22 in ?? () from /usr/lib/libSDL-1.2.so.0
#13 0x00007ffff6ba1cfe in ?? () from /usr/lib/libSDL-1.2.so.0
#14 0x00007ffff6ba1f17 in ?? () from /usr/lib/libSDL-1.2.so.0
#15 0x00007ffff6b92902 in SDL_VideoQuit () from /usr/lib/libSDL-1.2.so.0
#16 0x00007ffff6b6c16d in SDL_QuitSubSystem () from /usr/lib/libSDL-1.2.so.0
#17 0x000000000042a1e9 in main ()