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Thread: Problem with "lightdm"

  1. #1
    Join Date
    2021-Dec
    Posts
    1

    Exclamation Problem with "lightdm"

    Good Morning
    I've installed kali linux on virtualbox and i've used it normally without problems.

    Today i've launch a full-upgrade and after that upgrade and reboot the VM i cant get GUI anymore every time i open it shows CLI on tty1
    i've tried to remove ligthdm and reinstall it , i've tried to install gdm3, i've tried many things but its the same problem
    every time i check
    systemctl status lightdm
    it show failed with exit-code

    can any one help me please


    sorry for my bad English
    best regards

  2. #2
    Join Date
    2022-Feb
    Posts
    2
    Is this problem fixed ? going through same issue

  3. #3
    Join Date
    2022-Feb
    Posts
    1
    I have the same issue after an upgrade. the new version of libglib2.0 seems to have broken a few things lightdm-gtk-greeter seat0-greeter.log
    libpango-1.0.so.0: undefined symbol: g_memdup2 and I think this is also may also be related to an issue with xorg x-0.log MESA-LOADER: failed to open bochs-drm:. I have removed and re-installed lightdm which did not fix the issue.

  4. #4
    Join Date
    2022-May
    Posts
    4

    (FIXED) kali linux do not start after update / upgrade lightdm, tty, xorg, black screen

    Quote Originally Posted by xtnager View Post
    Good Morning
    I've installed kali linux on virtualbox and i've used it normally without problems.

    Today i've launch a full-upgrade and after that upgrade and reboot the VM i cant get GUI anymore every time i open it shows CLI on tty1
    i've tried to remove ligthdm and reinstall it , i've tried to install gdm3, i've tried many things but its the same problem
    every time i check
    systemctl status lightdm
    it show failed with exit-code

    can any one help me please


    sorry for my bad English
    best regards






    Hi guy !! I was in same issues and find the solution !! it is not about lightdm, is about xorg config, I did a post but still not autorized by admin so i will copy paste here.




    Code:
    uname -a
    Linux kali 5.16


    I just did normal update process with
    Code:
    sudo apt update && sudo apt upgrade -y && sudo apt dist-upgrade && sudo apt autoremove -y && sudo apt autoclean

    now
    Code:
    uname -a
    Linux kali 5.17


    and can not start normally ( black screen just after kali logo ) but still I can go to TTY (ctl+alt+(F1..F3)
    I check some log file, and you can see tell is something wrong with lightdm and tty process and finally Xorg log point me to a solution.


    Code:
    /home/<user>/.local/share/xorg/Xorg.0.log



    xorglog.JPGsystemctl.JPGjournal.JPGjournal.jpg








    then cheking other forum find a solution could be forcing X to use fbdev driver and provinding the framebuffer device ID by:


    Create the .conf file:


    Code:
    /etc/X11/xorg.conf.d/fbdev.conf

    Edit it:


    Code:
    Section "Device"
            Identifier  "Card0"
            Driver      "fbdev"
            BusID       "PCI:0:8:0"
    EndSection

    Please mind that your BusID might be different.


    You can check it with: (if exist)


    Code:
    cat /root/xorg.conf.new

    or you can just run


    Code:
    Xorg -configure

    which will create /root/xorg.conf.new. Then look in this file for your BusID and act accordingly if it differs




    (some credit to this post !!)


    HAPPY FIXING !!!

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