Public bug reported: This happened during upgrade from 18.04 to 20.04.
ProblemType: Package DistroRelease: Ubuntu 19.10 Package: grub-pc 2.04-1ubuntu12.2 ProcVersionSignature: Ubuntu 4.15.0-101.102-generic 4.15.18 Uname: Linux 4.15.0-101-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu8.9 Architecture: amd64 Date: Sat Jun 6 17:04:56 2020 ErrorMessage: installed grub-pc package post-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2012-03-07 (3013 days ago) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301) ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-101-generic root=UUID=34bcf296-c31f-410e-bad6-d299a2b74413 ro acpi_enforce_resources=lax quiet nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw Python3Details: /usr/bin/python3.7, Python 3.7.5, python3-minimal, 3.7.5-1 PythonDetails: /usr/bin/python2.7, Python 2.7.17, python-minimal, 2.7.17-1 RelatedPackageVersions: dpkg 1.19.7ubuntu2 apt 1.9.4ubuntu0.1 SourcePackage: grub2 Title: package grub-pc 2.04-1ubuntu12.2 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 1 UpgradeStatus: Upgraded to eoan on 2020-06-06 (0 days ago) ** Affects: grub2 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1882369 Title: package grub-pc 2.04-1ubuntu12.2 failed to install/upgrade: installed grub-pc 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/+bug/1882369/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs