#0  0xb7fb0410 in __kernel_vsyscall ()
#1  0xb7dcf7b1 in raise () from /lib/i686/cmov/libc.so.6
#2  0xb7dd1028 in abort () from /lib/i686/cmov/libc.so.6
#3  0x080a0bf5 in ddxGiveUp () at ../../../../hw/xfree86/common/xf86Init.c:1234
#4  0x081be0b3 in AbortServer () at ../../os/log.c:407
#5  0x081be5c7 in FatalError (
    f=0x81c9254 "Caught signal %d.  Server aborting\n") at ../../os/log.c:553
#6  0x080c22d7 in xf86SigHandler (signo=11)
    at ../../../../hw/xfree86/common/xf86Events.c:1460
#7  <signal handler called>
#8  0xb7e10cec in free () from /lib/i686/cmov/libc.so.6
#9  0xaf846fad in _mesa_free (ptr=0x28) at imports.c:116
#10 0xaf95052d in XMesaDestroyVisual (v=0x28) at xm_api.c:1490
#11 0xaf9500df in __glXMesaScreenDestroy (screen=0x825c230)
    at ../../../../GL/mesa/X/xf86glx.c:286
#12 0xb7c63324 in __glXResetScreens () at ../../../GL/glx/glxscreens.c:358
#13 0xb7c624ac in ResetExtension (extEntry=0x825b980)
    at ../../../GL/glx/glxext.c:75
#14 0x080955a2 in CloseDownExtensions () at ../../dix/extension.c:293
#15 0x08070273 in main (argc=8, argv=0xbfd0cb24, envp=
Cannot access memory at address 0x9
) at ../../dix/main.c:483