[Bug 1914538] Re: package grub-pc 2.04-1ubuntu26.8 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 10

[Mate Kukri]

*** This bug is a duplicate of bug 2069726 ***
    https://bugs.launchpad.net/bugs/2069726

** This bug has been marked a duplicate of bug 2069726
   outdated grub2 install failure catch-all

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https://bugs.launchpad.net/bugs/1914538

Title:
  package grub-pc 2.04-1ubuntu26.8 failed to install/upgrade: installed
  grub-pc package post-installation script subprocess returned error
  exit status 10

Status in grub2 package in Ubuntu:
  New

Bug description:
  new

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: grub-pc 2.04-1ubuntu26.8
  ProcVersionSignature: Ubuntu 5.8.0-41.46~20.04.1-generic 5.8.18
  Uname: Linux 5.8.0-41-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.16
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Wed Feb  3 16:46:51 2021
  DuplicateSignature:
   package:grub-pc:2.04-1ubuntu26.8
   Setting up grub-pc (2.04-1ubuntu26.8) ...
   dpkg: error processing package grub-pc (--configure):
    installed grub-pc package post-installation script subprocess returned error exit status 10
  ErrorMessage: installed grub-pc package post-installation script subprocess returned error exit status 10
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-41-generic root=UUID=a87170dd-f590-4218-a7e9-1e00f84cfe24 ro quiet splash vt.handoff=7
  Python3Details: /usr/bin/python3.8, Python 3.8.5, unpackaged
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.4
  SourcePackage: grub2
  Title: package grub-pc 2.04-1ubuntu26.8 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 10
  UpgradeStatus: No upgrade log present (probably fresh install)

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