[Bug 1893673] Re: package grub-efi-amd64 2.02-2ubuntu8.17 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 255

[Apport retracing service]

** Tags removed: need-duplicate-check

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Title:
  package grub-efi-amd64 2.02-2ubuntu8.17 failed to install/upgrade:
  installed grub-efi-amd64 package post-installation script subprocess
  returned error exit status 255

Status in grub2 package in Ubuntu:
  New

Bug description:
  Unprovoked auto update resulted in this crash. Last time it happened,
  need to re-install the OS again.

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: grub-efi-amd64 2.02-2ubuntu8.17
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  Date: Mon Aug 31 06:23:03 2020
  DuplicateSignature:
   package:grub-efi-amd64:2.02-2ubuntu8.17
   Setting up grub-efi-amd64 (2.02-2ubuntu8.17) ...
   dpkg: error processing package grub-efi-amd64 (--configure):
    installed grub-efi-amd64 package post-installation script subprocess returned error exit status 255
  ErrorMessage: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 255
  InstallationDate: Installed on 2020-08-31 (0 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic root=UUID=4f2ad409-daef-4af0-a344-86318fe0559d ro quiet splash vt.handoff=1
  Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
  PythonDetails: /root/Error: command ['which', 'python'] failed with exit code 1:, Error: [Errno 2] No such file or directory: "/root/Error: command ['which', 'python'] failed with exit code 1:": "/root/Error: command ['which', 'python'] failed with exit code 1:", unpackaged
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu2
   apt  1.6.12ubuntu0.1
  SourcePackage: grub2
  Title: package grub-efi-amd64 2.02-2ubuntu8.17 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 255
  UpgradeStatus: No upgrade log present (probably fresh install)

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