Xserver Fatal server error

[   118.754]
[   118.754] Backtrace:
[   118.754] 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f8c27ce6cd6]
[   118.754] 1: /usr/bin/X (0x7f8c27b68000+0x182829) [0x7f8c27cea829]
[   118.754] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f8c26e90000+0xf030) [0x7f8c26e9f030]
[   118.754]
[   118.754] Segmentation fault at address (nil)
[   118.754]
Fatal server error:
[   118.754] Caught signal 11 (Segmentation fault). Server aborting
[   118.754]
[   118.754]
Please consult the The X.Org Foundation support
	 at http://wiki.x.org
 for help.
[   118.754] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[   118.754]
[   118.764] (II) evdev: Power Button: Close
[   118.764] (II) UnloadModule: "evdev"
[   118.764] (II) evdev: Power Button: Close
[   118.764] (II) UnloadModule: "evdev"
[   118.768] (II) evdev: Razer Razer Copperhead Laser Mouse: Close
[   118.768] (II) UnloadModule: "evdev"
[   118.768] (II) evdev: Razer Razer Copperhead Laser Mouse: Close
[   118.768] (II) UnloadModule: "evdev"
[   118.784] (II) evdev: AT Translated Set 2 keyboard: Close
[   118.784] (II) UnloadModule: "evdev"
[   119.079] Server terminated with error (1). Closing log file.