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When I boot up my system, I don't get a login screen, just the boot log scrolling by, repeating after a while lines like this:

 * Starting anac(h)ronistic cron [ OK ]
 * Stopping anac(h)ronistic cron [ OK ]

I can change to another virtual terminal, and start lightdm from there with sudo lightdm restart.

Other people with similar problems had just lightdm in their /etc/x11/default-display-manager. I've checked mine and it has /usr/sbin/lightdm in there, so that's not the problem.

I have a dual monitor setup if that's of any interest.

New set of logs from /var/log/lightdm/ after reboot:

And the ~/.xsession-errors file

And Xorg.o.log:

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We need the contents of /var/log/lightdm/* posted to figure out the problem. –  mfisch Nov 10 '12 at 21:30
@mfisch - thanks, I've added the logs. –  a different ben Nov 12 '12 at 0:12
I think your session is starting and then crashing, can you also post the .xsession-errors file for your user which is in those logs? Also if you care, your username and wallpaper are in those logs, you could scrub it out if you want, sorry I forgot to mention that. –  mfisch Nov 12 '12 at 1:37
Oops, thanks for the heads-up @mfisch, mad skillz here obviously. I've added the .xsession-errors file from my home dir. Thanks for having a look. –  a different ben Nov 12 '12 at 5:54
It's a huge file that .xsession-errors, loads of nautilus GTK_Critical type messages. Some about Ubuntu One as well, which isn't really working for me. Maybe the answers are in here? –  a different ben Nov 12 '12 at 5:56
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