[Bug 1813126] Re: Full-disk encryption: Unbootable system after upgrade to Ubuntu 19.04 Disco Dingo

[Jerome Warnier]

To me, this seems related to #1062623.

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Title:
  Full-disk encryption: Unbootable system after upgrade to Ubuntu 19.04
  Disco Dingo

Status in grub2 package in Ubuntu:
  New

Bug description:
  On my freshly-installed and up-to-date 18.10 with full-disk encryption, I decided to upgrade to 19.04 (dev) using _update-manager -d_.
  Everything seemed fine, until I rebooted and the Grub configuration apparently had been overwritten, and it does not offer to enter the master password, so cannot find the root VG.

  This is all happening on my Lenovo T480 PC, with only Ubuntu (no dual-
  boot).

  I tried boot-repair, applying any suggestion it threw at me, but it
  could not fix the issue.

  I did try to add GRUB_ENABLE_CRYPTODISK=y in /etc/default/grub and
  successfully run update-grub in a chroot, but this did not fix the
  issue.

  Feel free to ask for more details, but diagnostic is limited, as the
  system is not booting, from the very early stages.

  Thanks.

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