Originally Posted by gnumdk
0: /usr/bin/X (xorg_backtrace+0x3b) [0x809fb4b]
1: /usr/bin/X (0x8048000+0x54b35) [0x809cb35]
2: (vdso) (__kernel_rt_sigreturn+0x0) [0xb77f840c]
Segmentation fault at address 0x9b6beb80
Xorg 1.6 so it's a bug in Nvidia drivers
Downgrade to 185 fix this bug.
Are you sure that is the same error? Could be different. I had no such problems before Xorg 1.7