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After the upgrade from Ubuntu 18.04 to 18.04.1, when booting instead of going from grub menu to the purple login page, it goes directly to tty1.

The current kernel is 4.15.0-33 and I've already tried to boot with every kernel version from 33 to 29.

Also the systemctl status gdm3 command gives the active status.

Output of dmesg --level=err,warn:

dmesg --level=err,warn

Output of lspci -knn | feel -i VGA -A3:

00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b)
        Subsystem: ASUSTeK Computer Inc. Haswell-ULT 
        Integrated Graphics Controller [1043:16cd]
        Kernel driver in use: i915
        Kernel modules: i915
karel
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Questioner
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2 Answers2

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First, eliminate a possible disk file system problem...

  • boot to the GRUB menu
  • choose Advanced Options
  • choose Recovery mode
  • choose Root access
  • at the # prompt, type sudo fsck -f /
  • repeat the fsck command if there were errors
  • type reboot

If for some reason you can't do the above...

  • boot to a Ubuntu Live DVD/USB
  • start gparted and determine which /dev/sdaX is your Ubuntu EXT4 partition
  • quit gparted
  • open a terminal window
  • type sudo fsck -f /dev/sdaX # replacing X with the number you found earlier
  • repeat the fsck command if there were errors
  • type reboot

Next, eliminate a possible video subsystem problem...

At the GRUB menu, hit the e key, and edit the line that contains "splash quiet" to "splash quiet nomodeset", hit ctrl-x to continue booting. See if it will fully boot, even if the video display isn't at the correct resolution. If it boots, do one of the following...

1. Eliminate a possible wayland problem...

Boot to recovery mode, and choose root access. Then type:

sudo mount -o rw,remount /

In terminal...

  • cd /etc/gdm3 # change directory
  • sudo pico custom.conf # edit this file

Find and change:

#WaylandEnable=false

To this:

WaylandEnable=false

Save the file.

  • sudo dpkg-reconfigure gdm3 # select gdm3 DM

Select gdm3 and OK.

  • reboot # reboot the computer

2. Update/reinstall the current nouveau/Nvidia video drivers.

Update #1:

While trying the wayland fix, errors indicated a gdm3 problem. Reinstalling gdm3 resolved the problem.

heynnema
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If someone have the same problem and is using a virtual machine, which was my case. Here's what I've done. Change the graphics controller to VBoxVGA. I found that there: Black screen in Ubuntu in Virtual Box and it solved my issue.

Marc Bannout
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