[Bug 1926713] Re: package grub-efi-amd64 2.04-1ubuntu44 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127

[Apport retracing service]

** Tags removed: need-duplicate-check

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https://bugs.launchpad.net/bugs/1926713

Title:
  package grub-efi-amd64 2.04-1ubuntu44 failed to install/upgrade:
  installed grub-efi-amd64 package post-installation script subprocess
  returned error exit status 127

Status in grub2-unsigned package in Ubuntu:
  New

Bug description:
  Appeared after upgrade to 20.04, system been stable for years before.

  Now I can't even do a partial upgrade or apt-get autoremove

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: grub-efi-amd64 2.04-1ubuntu44
  ProcVersionSignature: Ubuntu 5.4.0-70.78-generic 5.4.94
  Uname: Linux 5.4.0-70-generic x86_64
  NonfreeKernelModules: lkp_Ubuntu_5_4_0_70_78_generic_76
  ApportVersion: 2.20.11-0ubuntu27.16
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Thu Apr 29 14:06:07 2021
  ErrorMessage: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127
  InstallationDate: Installed on 2017-09-19 (1318 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
  Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.5
  SourcePackage: grub2-unsigned
  Title: package grub-efi-amd64 2.04-1ubuntu44 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127
  UpgradeStatus: No upgrade log present (probably fresh install)

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