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Thread: reinstall lightdm won't start

  1. #1
    Join Date
    Feb 2005

    reinstall lightdm won't start

    Edit: The title should probably say "lightdm won't start after apt-get purge gdm"

    I'm having a problem the upgrade to 11.10 went successfully I decided to remove gdm as a result with

    apt-get purge gdm

    unfortunately after I've done so lightdm no longer loaded properly can someone figure out what's going on


    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
    (==) Log file: "/var/log/Xorg.1.log", Time: Fri Oct 14 10:03:14 2011
    (==) Using config file: "/etc/X11/xorg.conf"
    (==) Using system config directory "/usr/share/X11/xorg.conf.d"
    (EE) open /dev/fb0: No such file or directory
    (EE) CHROME(0): Unknown Card-Ids (3344|1462|2590), Chipset: VM800/P4M800Pro/VN800/CN700; please report to
    (EE) [drm] Could not set DRM device bus ID.
    (EE) CHROME(0): [dri] DRIScreenInit failed. Disabling DRI.
    Freed 12587008 (pool 1)
    ddxSigGiveUp: Closing log


    [+0.51s] DEBUG: Releasing VT 7
    [+0.51s] DEBUG: Display server stopped
    [+0.51s] DEBUG: Display stopped
    [+0.51s] DEBUG: Stopping X local seat, failed to start a display
    [+0.51s] DEBUG: Stopping seat
    [+0.51s] DEBUG: Seat stopped
    [+0.51s] DEBUG: Stopping lightdm, required seat has stopped
    [+0.51s] DEBUG: Stopping display manager
    [+0.51s] DEBUG: Display manager stopped
    [+0.51s] DEBUG: Stopping Light Display Manager

    also sudo apt-get install gdm (install back gdm that was removed) doesn't fix the issue.

    Maybe GDM removed more than it installs back?
    Last edited by vortex-5; October 14th, 2011 at 04:35 PM.

  2. #2
    Join Date
    Aug 2009
    erode, India
    Ubuntu 10.04 Lucid Lynx

    Re: reinstall lightdm won't start

    I hope you have to follow and your issue will get solved.
    If it is solved, then kindly mark the thread as closed

    Mark the posts as solved once you got it. Help the team
    Click me:
    Life never ends until you have nothing to posses

  3. #3
    Join Date
    Feb 2005

    Re: reinstall lightdm won't start

    Ok partially fixed

    I found out that there was a warning during install it said

    WARNING /var/lib/gdm is not accessable by the current user during install

    I did a "sudo chown gdm:gdm /var/lib/gdm" and that seems to have fixed gdm

    But I still for the life of me can't figure out how to get lightdm to work. Lightdm worked before I purged GDM now it won't boot up still.

    Does upstart start both gdm and lightdm or just lightdm?

    I.E. with X GDM and Light stopped can I just run

    sudo service lightdm start?

    in order to start lightdm?

    Doing the same thing to lightdm seems to solve loading on light DM as well
    also make sure you clear the conf files from /etc/lightdm

    There are still issues with the themes being missing and also how lightdm disconnects clients after login but I left that for another topic this is solved.
    Last edited by vortex-5; October 14th, 2011 at 11:26 PM.

  4. #4
    Join Date
    Nov 2010
    Plano, TX
    Ubuntu 12.04 Precise Pangolin

    Re: reinstall lightdm won't start

    I resolved the issue of not being able to log in on lightdm by installing lightdm-gtk-greeter.

  5. #5
    Join Date
    Jun 2005
    Toronto, Canada
    Xubuntu 16.04 Xenial Xerus

    Re: reinstall lightdm won't start

    This thread is more than one year old. Thread closed.


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