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Gonzoza
Asked: 2012-01-14 22:22:47 +0800 CST

Why do I sometimes log in twice (instead of once)?

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Often, when I boot up my PC, the Ubuntu 11.10 login screen prompts me to enter my login details (as per normal), but after I've done that, it asks me a second time.

To be clear, I log in the first time. The screen goes black. The login screen appears a second time. I log in a second time, and it works.

This happens often enough for me to question it.

11.10

4 Answers

  1. I had the same issue due to some mixup of keyrings.

    Go to System / Preferences / Passwords and Encryption Keys.

    I had two keyrings there, one called "login" with no keys in it, and another called "default" with several keys, for example the password for my wifi.

    1. Copy the passwords of all the keys in the "default" keyring (for backup)
    2. Delete the default keyring
    3. Logout
    4. Login, and re-enter passwords when asked, for example for your wifi, etc

    From this point on your keys and passwords will be stored in the "login" keyring. This keyring is unlocked when you login to Ubuntu, so you only have to enter your password once.

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  2. Try removing Plymouth and the restart. And please tell if the problem is resolved or not.

    You can refer this link which states that if your password contains number "2" then gnome restarts. Also please tell me if you are using gnome along with Ubuntu .

    http://ubuntuforums.org/showthread.php?t=1417140

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  3. Same problem happens to one of the user-accoun ,I resolved it via switching login manager

    First I installed kdm and set it as default login manager 

    sudo apt-get install kdm 
sudo dpkg-reconfigure lightdm

    and chose kdm

    Then switch back to lightdm if you hate kdm

    Now single login is enough

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  4. The key quote from the OP as to whether this is still an issue is:

    No I haven't. I've not had this problem in weeks, so I see no reason why I need to tinker with it, for now.

    To diagnose this types of issues first a simple check is to see if a theme or other configuration causes this issue.

    Thus the question:

    Is this behaviour user specific? Try creating a new user account and log into that.

    If by creating a new user and the issue still occurs then the problem is highly likely to be either a graphical issue and/or a compiz issue.

    Both of these issues should be reported as a bug report.

    It would be helpful in such a report to looks at posting the contents of /var/log/Xorg.0.log. Often you can see what the issue is by looking for errors in this log.

    In conclusion - the OP states this has not occurred for weeks. Its highly likely an update (graphical related or compiz related) has resolved this question.

    Case-Closed :)

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