[Bug 1922101] Re: package grub-pc 2.04-1ubuntu26.9 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 1

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: grub2 (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1922101

Title:
  package grub-pc 2.04-1ubuntu26.9 failed to install/upgrade: installed
  grub-pc package post-installation script subprocess returned error
  exit status 1

Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  Sorry not sure if this is helpful.  I note
  https://bugs.launchpad.net/bugs/1916981 but that is a different error
  code.  I had other errors in the upgrade process and was prompted by
  the GUI to file bugs, including Bug #1922096

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: grub-pc 2.04-1ubuntu26.9
  ProcVersionSignature: Ubuntu 4.4.0-206.238-generic 4.4.254
  Uname: Linux 4.4.0-206-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.16
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Wed Mar 31 14:36:28 2021
  DuplicateSignature:
   package:grub-pc:2.04-1ubuntu26.9
   Setting up friendly-recovery (0.2.41ubuntu0.20.04.1) ...
   /usr/sbin/grub-probe: error: failed to get canonical path of `/dev/sda16'.
   dpkg: error processing package friendly-recovery (--configure):
    installed friendly-recovery package post-installation script subprocess returned error exit status 1
  ErrorMessage: installed grub-pc package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2014-09-22 (2382 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-206-generic root=UUID=f0d6bca4-fa86-4256-9d83-af1bedfd0829 ro quiet splash vt.handoff=7
  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  2.0.4
  SourcePackage: grub2
  Title: package grub-pc 2.04-1ubuntu26.9 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 1
  UpgradeStatus: Upgraded to focal on 2021-03-31 (0 days ago)

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