X won't restart without reboot

[Jim4Prez]

​​
I am using xorg-server 1.19.1-1, Cinnamon 3.2.8 and lightdm 1.20.0.  When I
log out from Cinnamon I never get to see the lightdm login screen again.  I
just see the screen flashing between the console and a blank screen.  The
only way to logout is to reboot which is pretty annoying.

Here is the pastebin of the X log
​:

http://pastebin.com/Mt0eAT0x

Has anyone run in to this issue or have an idea where to look?

Thanks,

Jim
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