[Bug 1876943] [NEW] package grub-pc 2.04-1ubuntu26 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 1

[Scott Stensland]

Public bug reported:

this happened on first apt-get install upgrade after fresh Ubuntu 20.04
install from scratch not any update


lsb_release -rd
Description:	Ubuntu 20.04 LTS
Release:	20.04


apt-cache policy  grub2
grub2:
  Installed: (none)
  Candidate: 2.04-1ubuntu26
  Version table:
     2.04-1ubuntu26 500
        500 http://us.archive.ubuntu.com/ubuntu focal/universe amd64 Packages


uname -m && uname -r && cat /etc/*release
x86_64
5.4.0-14-generic
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04 LTS"
NAME="Ubuntu"
VERSION="20.04 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04 LTS"
VERSION_ID="20.04"

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: grub-pc 2.04-1ubuntu26
ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
Uname: Linux 5.4.0-14-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
Date: Tue May  5 10:28:31 2020
ErrorMessage: installed grub-pc package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2020-05-05 (0 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200309)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-14-generic root=UUID=2a498b8e-c1b0-4cb8-9440-fccd950ec4ff ro quiet splash vt.handoff=7
Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt  2.0.2
SourcePackage: grub2
Title: package grub-pc 2.04-1ubuntu26 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-package focal

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https://bugs.launchpad.net/bugs/1876943

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

Status in grub2 package in Ubuntu:
  New

Bug description:
  this happened on first apt-get install upgrade after fresh Ubuntu
  20.04 install from scratch not any update

  
  lsb_release -rd
  Description:	Ubuntu 20.04 LTS
  Release:	20.04

  
  apt-cache policy  grub2
  grub2:
    Installed: (none)
    Candidate: 2.04-1ubuntu26
    Version table:
       2.04-1ubuntu26 500
          500 http://us.archive.ubuntu.com/ubuntu focal/universe amd64 Packages

  
  uname -m && uname -r && cat /etc/*release
  x86_64
  5.4.0-14-generic
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=20.04
  DISTRIB_CODENAME=focal
  DISTRIB_DESCRIPTION="Ubuntu 20.04 LTS"
  NAME="Ubuntu"
  VERSION="20.04 LTS (Focal Fossa)"
  ID=ubuntu
  ID_LIKE=debian
  PRETTY_NAME="Ubuntu 20.04 LTS"
  VERSION_ID="20.04"

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: grub-pc 2.04-1ubuntu26
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Tue May  5 10:28:31 2020
  ErrorMessage: installed grub-pc package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2020-05-05 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200309)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-14-generic root=UUID=2a498b8e-c1b0-4cb8-9440-fccd950ec4ff ro quiet splash vt.handoff=7
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.2
  SourcePackage: grub2
  Title: package grub-pc 2.04-1ubuntu26 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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