[Bug 1879948] Re: shim-signed installation focal fossa

[Steve Langasek]

> installed grub-efi-amd64-signed package post-installation script
subprocess returned error exit status 10

This error status indicates there is a problem with debconf
communication from within this package.

grub-efi-amd64-signed does not invoke debconf itself, but does so via
/usr/lib/grub/grub-multi-install.

Can you run 'sudo /usr/lib/grub/grub-multi-install --target=x86_64-efi'
manually and see if this command completes successfully?

If it does not, please run 'sudo env DEBCONF_DEBUG=developer
/usr/lib/grub/grub-multi-install --target=x86_64-efi' and paste the
output.

** Changed in: shim-signed (Ubuntu)
       Status: New => Incomplete

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

Title:
  shim-signed installation focal fossa

Status in shim-signed package in Ubuntu:
  Incomplete

Bug description:
  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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