Public bug reported:
Ever since upgrading to Ubuntu 20.04.1 from Ubuntu 18.04.5, this error
occurs each time I update the system. The system continues to boot ok
(I'm using it now) but this error keeps appearing. I'm not sure how to
correct this.
Thanks!
ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: grub-efi-amd64-signed 1.142.9+2.04-1ubuntu26.7
ProcVersionSignature: Ubuntu 5.4.0-62.70-generic 5.4.78
Uname: Linux 5.4.0-62-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.14
AptOrdering:
dnsmasq-base:amd64: Install
NULL: ConfigurePending
Architecture: amd64
CasperMD5CheckResult: skip
Date: Fri Jan 22 06:35:28 2021
ErrorMessage: installed grub-efi-amd64-signed package post-installation script
subprocess returned error exit status 255
InstallationDate: Installed on 2019-06-16 (585 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
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 2.0.2ubuntu0.2
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.142.9+2.04-1ubuntu26.7 failed to
install/upgrade: installed grub-efi-amd64-signed package post-installation
script subprocess returned error exit status 255
UpgradeStatus: Upgraded to focal on 2020-10-05 (109 days ago)
** Affects: grub2-signed (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-package focal third-party-packages
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https://bugs.launchpad.net/bugs/1912813
Title:
package grub-efi-amd64-signed 1.142.9+2.04-1ubuntu26.7 failed to
install/upgrade: installed grub-efi-amd64-signed package post-
installation script subprocess returned error exit status 255
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