[Bug 1874318] Re: package grub-efi-amd64-signed 1.142+2.04-1ubuntu26 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 10

[James Dingwall]

On a problematic system this returns no values:

# debconf-get-selections | grep grub-efi

On another focal system the output is:

grub-efi-amd64  grub2/kfreebsd_cmdline_default  string  quiet splash
grub-efi-amd64  grub2/update_nvram      boolean true
grub-efi-amd64  grub2/kfreebsd_cmdline  string
grub-efi-amd64  grub2/device_map_regenerated    note
grub-efi-amd64  grub-efi/install_devices        multiselect     /dev/disk/by-id/a-block-device
grub-efi-amd64  grub-efi/install_devices_disks_changed  multiselect
grub-efi-amd64  grub-efi/install_devices_empty  boolean false
grub-efi-amd64  grub2/no_efi_extra_removable    boolean false
grub-efi-amd64  grub2/linux_cmdline_default     string
grub-efi-amd64  grub-efi/install_devices_failed boolean false
grub-efi-amd64  grub2/unsigned_kernels  note
grub-efi-amd64  grub2/linux_cmdline     string

My problematic system was installed via debootstrap, the one that is ok
by release-upgrade from bionic.

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https://bugs.launchpad.net/bugs/1874318

Title:
  package grub-efi-amd64-signed 1.142+2.04-1ubuntu26 failed to
  install/upgrade: installed grub-efi-amd64-signed package post-
  installation script subprocess returned error exit status 10

Status in grub2-signed package in Ubuntu:
  Confirmed

Bug description:
  ?

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: grub-efi-amd64-signed 1.142+2.04-1ubuntu26
  ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
  Uname: Linux 5.4.0-26-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Wed Apr 22 17:09:37 2020
  DuplicateSignature:
   package:grub-efi-amd64-signed:1.142+2.04-1ubuntu26
   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
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 10
  InstallationDate: Installed on 2015-07-26 (1732 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: /usr/bin/python2.7, Python 2.7.18rc1, python-is-python2, 2.7.17-4
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.2
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.142+2.04-1ubuntu26 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 10
  UpgradeStatus: Upgraded to focal on 2020-04-22 (0 days ago)

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