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Is there a permanent fix for the looping login problem in LightDM?

I recently installed Ubuntu 12.04 64-bit. LightDM won't work even though I haven't changed any options (background, etc.). It just throws another login screen at me if I log in.

So I did the stuff you're supposed to. I reconfigured gdm from the terminal and used that to log in, and have been using gdm for ~3 months now. The thing is, I want LightDM back so I can change it to a desktop background I made. (I have no idea about customising GDM and really don't care.)

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Is there any chance that tightvncserver package is installed? –  komputes Jul 13 '12 at 23:31
    
I believe so, I have "X11VNC Server" with a TightVNC option enabled. –  WindowsEscapist Jul 14 '12 at 15:51
    
After re-install, problem is mysteriously gone - however, I prefer MDM after all! –  WindowsEscapist Oct 16 '12 at 13:15

1 Answer 1

up vote 1 down vote accepted

Boot into recovery mode, selected "network" then "root" and run the following command:

# chown -R your_username:your_username /home/your_username

Upon rebooting, access to desktop should be reestablished.

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komputes answer fixed the problem for me. More specific: the .Xauthority file in my home directory had root ownership, after changing the ownership to <your_username> the login worked again chown -R your_username:your_username /home/your_username/.Xauthority @komputes: sorry but I cannot upvote and comment due to not enough reputation –  Peter Prettenhofer Nov 22 '12 at 8:08

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