Public bug reported: Trying to install Ubuntu Unity 21.04 to grub-install shows error. Unable to confirm if system is not bootable as the PC is a multiboot system and booted from UM grub.
ProblemType: Package DistroRelease: Ubuntu 21.04 Package: grub-efi-amd64-signed 1.169+2.04-1ubuntu45 ProcVersionSignature: Ubuntu 5.11.0-13.14-generic 5.11.7 Uname: Linux 5.11.0-13-generic x86_64 ApportVersion: 2.20.11-0ubuntu61 Architecture: amd64 CasperMD5CheckResult: pass Date: Sun Apr 11 13:07:18 2021 ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2021-04-11 (0 days ago) InstallationMedia: Ubuntu Unity 21.04 Python3Details: /usr/bin/python3.9, Python 3.9.2, python3-minimal, 3.9.2-2 PythonDetails: N/A RelatedPackageVersions: dpkg 1.20.7.1ubuntu4 apt 2.2.2 SourcePackage: grub2-signed Title: package grub-efi-amd64-signed 1.169+2.04-1ubuntu45 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub2-signed (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package hirsute -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923336 Title: package grub-efi-amd64-signed failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1923336/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs