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Issue

My Ubuntu 18.04 boot is stuck in a loop switching between turning black and showing the following line:

/dev/nvme0n1p5: clean, 481726/7323648 files, 8253625/29267456 blocks.
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This happens after showing the Ubuntu splash screen and before showing the login manager (gdm3).

Failed solutions

By editing the grub entry (quiet splash -> nomodeset) I can still log into tty, where the rest of the system seems to be working.

EDIT: Solution for the posterity

It was a typo in the /usr/share/X11/xkb/symbols/pc file. This typo repeatedly crashed the XServer, which made it look like it was stuck on the fsck line.

maxmustermann123
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  • It does not appear to be a problem with fsck my guess is s problem with your graphics card. Can you boot an old kernel and identify your graphics card – Panther Jun 21 '18 at 15:56
  • Intel Corporation HD Graphics 620 (rev 02). Obtained with ("lspci | grep VGA") – maxmustermann123 Jun 21 '18 at 16:08
  • And sorry it is Ubuntu 18.04 not 16.04 (fixed in post). – maxmustermann123 Jun 21 '18 at 16:20
  • Did you recently upgrade from 17.xx to 18.04? Has this problem occurred since 18.04? If so, check my question, update #7, at https://askubuntu.com/questions/1036242/17-10-to-18-04-upgrade-freezes-during-boot for a possible answer. – heynnema Jun 21 '18 at 16:48
  • No, it was a clean 18.04 install, the problem appeared after I was booted into a windows partition and installed updates there. I tried your wayland suggestion and the only difference is that the specified line (fsck result) is printed twice. – maxmustermann123 Jun 21 '18 at 19:46
  • Ok, I found the issue, it is completely unrelated. Thank you for both of your time. – maxmustermann123 Jun 21 '18 at 20:11

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