[Bug 1879948] Re: grub-multi-install fails to find template in some circumstances

[Łukasz Zemczak]

Hello Balint, or anyone else affected,

Accepted grub2 into focal-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/grub2/2.04-1ubuntu26.3
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: grub2 (Ubuntu Focal)
       Status: Triaged => Fix Committed

** Tags added: verification-needed verification-needed-focal

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https://bugs.launchpad.net/bugs/1879948

Title:
  grub-multi-install fails to find template in some circumstances

Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2 source package in Focal:
  Fix Committed
Status in grub2 source package in Groovy:
  Fix Released

Bug description:
  [Impact]
  Upgrades to focal may fail because debconf cannot find the template.

  [Test case]

  1. Delete /var/cache/debconf
  2. reinstall shim-signed / grub-efi-amd64-signed

  [Regression potential]
  Other problems asking those questions, and hence failure to install grub.

  [Original bug report]

  I have just upgraded from Ubuntu 18.04.4 LTS (Bionic Beaver) to Ubuntu
  20.04 LTS Focal Fossa.

  There is the official graphical way to upgrade. I have used that.
  https://ubuntu.com/tutorials/tutorial-upgrading-ubuntu-desktop#1-before-you-start

  At the end I had two packages that didn't install - the shim-signed was one of them.
  The package number is 1.40.3+15+1533136590.3beb971-0ubuntu1.

  I have an AMD64 processor - namely AMD Quad-Core A4-6210.

  Error message:
  Setting up grub-efi-amd64-signed (1.142+2.04-1ubuntu26) ...
  dpkg: error processing package grub-efi-amd64-signed (--configure):
   installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 10
  dpkg: dependency problems prevent configuration of shim-signed:
   shim-signed depends on grub-efi-amd64-signed | grub-efi-arm64-signed; however:
    Package grub-efi-amd64-signed is not configured yet.
    Package grub-efi-arm64-signed is not installed.

  ...

  E: Sub-process /usr/bin/dpkg returned an error code (1)

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