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Thread: "Module is unknown" login error after update to 11.04

  1. #1
    Join Date
    May 2011
    Beans
    6

    Red face "Module is unknown" login error after update to 11.04

    Hi everyone,

    I've just upgraded to Natty and lost ability to login through the Gnome login screen - "Module is unknown" message appears after I enter the correct password and hit "Enter".

    I'm still able to switch to a text console and login there, both as root and as a restricted user.

    Here is an excerpt from my /var/log/auth.log file:

    Code:
    May  1 14:12:09 HomeServer gdm-session-worker[1948]: PAM unable to dlopen(/lib/security/pam_listfile.so): /lib/security/pam_listfile.so: cannot open shared object file: No such file or directory
    May  1 14:12:09 HomeServer gdm-session-worker[1948]: PAM adding faulty module: /lib/security/pam_listfile.so
    May  1 14:12:09 HomeServer gdm-session-worker[1948]: pam_succeed_if(gdm:auth): requirement "user ingroup nopasswdlogin" not met by user "deadrix"
    This appears after each attempt to login at Gnome login screen.

    I've reinstalled libpam-modules, but with no avail.

    Please help to solve this.

  2. #2
    Join Date
    May 2011
    Beans
    6

    Re: "Module is unknown" login error after update to 11.04

    Anybody?

  3. #3
    Join Date
    Dec 2008
    Beans
    6

    Re: "Module is unknown" login error after update to 11.04

    Try:
    pam_tally --reset --user <username>
    sudo pam-auth-update --force

    http://ubuntuforums.org/showthread.php?t=1150786

  4. #4
    Join Date
    Dec 2008
    Beans
    6

    Re: "Module is unknown" login error after update to 11.04

    Btw, bump. I got those commands from another thread but they didn't work for me.

  5. #5
    Join Date
    May 2010
    Beans
    1

    Re: "Module is unknown" login error after update to 11.04

    I am experiencing the exact same thing.

    I have used the above mentioned commands with no result.

    Further I have tried to reinstall X and gdm, no luck!

    I am currently looking into problems with pam. I will post results asap.


    No solutions yet, but as far as i can see people have been having this sort of problem before.
    So maybe the updater fails to install/update/configure/sanitize from 10.10 to 11.04 ?

    Now I just need to figure out how to check for those errors?
    Last edited by odp; May 16th, 2011 at 12:06 AM.

  6. #6
    Join Date
    Jun 2008
    Beans
    1

    Re: "Module is unknown" login error after update to 11.04

    I had the same problem in Ubuntu 11.04 (32-bit). I found out that pam_listfile.so was not in /lib/security. I did a search and found it. Then I went to /etc/pam.d/gdm and changed the path from:

    /lib/security/pam_listfile.so

    to:

    /lib/i386-linux-gnu/security/pam_listfile.so

    and that fixed the problem.

  7. #7
    Join Date
    Aug 2009
    Beans
    16

    Re: "Module is unknown" login error after update to 11.04

    I ran into this in 12.04 32-bit. In my case, for some reason /lib/security was completely absent from the system, the folder didn't exist at all. My solution was to create it and copy all of the .so files from /lib/i386-linux-gnu/security into it.

  8. #8
    Join Date
    Jul 2007
    Location
    Magic City of the Plains
    Beans
    Hidden!
    Distro
    Xubuntu 14.04 Trusty Tahr

    Re: "Module is unknown" login error after update to 11.04

    Old thread closed.

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