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I am using my machine with multiple accounts logged in at the same time. I am using KDM desktop manager and KDE desktop. Ever since I upgraded to Karmic, when using one user the second user, who is active on another virtual terminal, gets logged out automatically. I have looked through the logs and can't find anything that would cause this.

What should I be looking into to figure it out? Is there some sort of feature that was turned on through the upgrades? (the machine has been through many releases..).

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You can check that you have enough TTY's:

Open a terminal and do:

grep tty /etc/default/console-setup

It should show (check the last number, it should say 6):


If not, edit the /etc/default/console-setup file by typing:

gksudo gedit /etc/default/console-setup

And look for ACTIVE_CONSOLES, and make the line look this:

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there are enough ttys. – Manfred Moser Jul 30 '10 at 19:00
up vote 0 down vote accepted

In the end I lived with this for a while and ended up upgrading Ubuntu to a newer version and it went away. So not sure what it was but probably a bug somewhere..

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