Segfault after Xserver exit

[Lukas Hejtmanek]

Hello,

using the latest GIT of the Xserver, my server causes SEGV after exit. Here is
a trace:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1211439440 (LWP 9065)]
0xb7da174c in (???) from /lib/i686/cmov/libc.so.6
(gdb) where
#0  0xb7da174c in (???) from /lib/i686/cmov/libc.so.6
#1  0xa789ae0d in _mesa_free (ptr=0x28) at imports.c:85
#2  0xa79953ed in XMesaDestroyVisual (v=0x28) at xm_api.c:1478
#3  0xb7be3c3f in __glXMesaScreenDestroy (screen=0x8259d90) at glxglcore.c:264
#4  0xb7be3cf7 in __glXResetScreens () at glxscreens.c:358
#5  0xb7be301c in ResetExtension (extEntry=0x825ad60) at glxext.c:80
#6  0x0809a056 in CloseDownExtensions () at extension.c:287
#7  0x08073ebf in main (argc=2, argv=0xbfb7e644, envp=0x83c6838) at main.c:458

-- 
Lukáš Hejtmánek