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Yesterday I decided to install and try Xmonad on my laptop running a fairly fresh install of 14.04. After running an Xmonad session i decided to try the Gnome-xmonad (or something similar) option. All I saw was the background, and none of the key combinations for xmonad worked, so I restarted using the power button.

After that, the computer wouldn't boot into the Lightdm login, only a grey screen. I can ctrl+alt+F1 to open a shell. sudo service lightdm restart did not work and start only told me Lightdm was already running.

I read this, but it doesn't really apply to my issues. I tried adding sleep 2 according to this, but to no avail. I'm not really sure what I'm looking for right now, and decided to post this question before doing anything else.

I'll be available during the day to post logs and answer details.

Edit 1: Output of sudo lshw -c display:

  *-display
       description: VGA compatible controller
       product: Haswell-ULT Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 09
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:66 memory:b5000000-b53fffff memory:c0000000-cfffffff ioport:6000(size=64)
  *-display
       description: 3D controller
       product: GK208M [GeForce GT 730M]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci@0000:09:00.0
       version: a1
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=nouveau latency=0
       resources: irq:65 memory:b3000000-b3ffffff memory:a0000000-afffffff memory:b0000000-b1ffffff ioport:3000(size=128)

Edit 2: Running sudo Xorg -configure results in:

Fatal server error:
(EE) Server is already running for display 0
        if this server is no longer running, remove /tmp/.X0-lock
        and start again.
user2837144
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  • Assuming you've already done a fresh install, this worked for me: http://askubuntu.com/a/409866/42720

    I goofed up xorg.conf in several directories and overwrote the backups, then ran into similar problems as you did. It's easier to get Xmonad to accept Lightdm's monitor configuration that it is to use xorg.conf. If your login screen uses that configuration file, then XMonad will catch it, but not otherwise, just in my experience.

     – Peter Becich Jul 20 '14 at 00:36

1 Answers1

0
  1. Switch to tty1, login

  2. Stop lightdm:

    sudo stop lightdm

  3. Purge lightdm then reinstall it:

    sudo apt-get remove --purge lightdm
sudo apt-get install lightdm

  4. Start lightdm

    sudo start lightdm

Low graphic, try reconfigure Xorg

  1. Switch to tty1, login

  2. Stop lightdm:

    sudo stop lightdm

  3. Create new Xorg configuration file:

    sudo Xorg -configure
sudo mv /root/xorg.conf.new /etc/X11/xorg.conf

  4. Reboot

    sudo reboot
user.dz
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  • After trying this it tries to boot into low-graphics mode and afterwards gets stuck on 'Restoring resolver state...'. Some more reading suggests driver issues (or possibly hardware). Any ideas? – user2837144 Jun 23 '14 at 10:20
  • Added the output to the original post. – user2837144 Jun 23 '14 at 10:41
  • There's no xorg.conf file, closest is xorg.conf.failsafe – user2837144 Jun 23 '14 at 10:57
  • Tried it, updated my post. How do I check if the server is still running, or should I go ahead and delete the file anyways? – user2837144 Jun 23 '14 at 12:07
  • Okay, I have created the xorg.conf and rebooted, but nothing seems to have changed. – user2837144 Jun 23 '14 at 12:23
  • Try sudo rm ~/.Xauthority; sudo restart lightdm – user.dz Jun 23 '14 at 12:50
  • Still nothing, lightdm shows up as running via pidof, but the screen remains grey. While this might very well be a driver issue, is it possible Xmonad modified any startup scripts, or is otherwise malfunctioning? – user2837144 Jun 23 '14 at 13:19
  • @user2837144; let confirm with 1st assumption "Xmonad modified any startup scripts", sudo apt-get remove --purge xmonad then sudo restart lightdm. If still the problem, 2st driver try nvidia driver, sudo apt-get install nvidia-331 nvidia-settings nvidia-prime mesa-utils vdpau-va-driver , reboot – user.dz Jun 23 '14 at 13:36
  • Still nothing, I'll try to do some more research tonight and if I can't fix it after that I'll just make a clean install. – user2837144 Jun 23 '14 at 16:28