Comment 42 for bug 368049

I've made copies of Xorg.0.log and Xorg.0.log.old from a tty right after gdm restarted.

Backtrace in Xorg.0.log.old:
0: /usr/bin/X(xorg_backtrace+0x3b) [0x813518b]
1: /usr/bin/X(xf86SigHandler+0x55) [0x80c7be5]
2: [0xb804a400]
3: /usr/lib/dri/r300_dri.so(_mesa_update_state_locked+0x832) [0xad4d7152]
4: /usr/lib/dri/r300_dri.so(_mesa_update_state+0x2a) [0xad4d728a]
5: /usr/lib/dri/r300_dri.so(_mesa_GetIntegerv+0x278) [0xad5a90c8]
6: /usr/lib/xorg/modules/extensions//libglx.so [0xb79c6132]
7: /usr/lib/xorg/modules/extensions//libglx.so [0xb79b82e8]
8: /usr/lib/xorg/modules/extensions//libglx.so [0xb79b71a7]
9: /usr/lib/xorg/modules/extensions//libglx.so [0xb79bbd6a]
10: /usr/bin/X(Dispatch+0x33f) [0x808d57f]
11: /usr/bin/X(main+0x3bd) [0x80722ed]
12: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7c1a775]
13: /usr/bin/X [0x80717a1]