[Bug 1837080] Re: Recent update causes boot failure

[Benjamin Drung]

Thank you for taking the time to report this bug and helping to make
Ubuntu better. We appreciate that this bug may be old and you might not
be interested in discussing it anymore. But if you are then please
upgrade to the latest Ubuntu version and re-test. If you then find the
bug is still present in the newer Ubuntu version, please add a comment
here telling us which new version it is in.

** Changed in: initramfs-tools (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1837080

Title:
  Recent update causes boot failure

Status in initramfs-tools package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu Studio 19.04 (also experienced with Ubuntu-18.04.2LTS with
  Studio Upgrade). Latest kernel 5.0.0-20 can't build an initialramfs
  due to problems finding fonts or Plymouth objects. On reboot, system
  can't start a display server. It loads, flashes, and then crashes,
  cycling endlessly. Can't get into the system with a pseudotty due to
  the display server cycling.

  It seems to be a support package and not the kernel directly. I
  downgrades the kernel to 5.0.0-13 by launching an installer USB and
  mounting the root filesystem that way. chroot to the mount point and
  use apt to purge the offending kernel directly. But the problem
  persisted.

  I re-installed with Ubuntu Studio 19.04 and during install system
  updates left the installer unable to write a boot record (because it
  couldn't create an initialramfs).

  Hardware:

  AMD 1950x Threadripper
  AMD VEGA FE
  Samsung nvme boot disk
  simple usb stick as install media.

  I don't have log output or screen output as I couldn't cut and paste
  or otherwise save it.

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