Public bug reported: Was upgrading the system from 18.04 to 20.04. Got a warning that it was trying to remove the running kernel so I followed the recommendation and aborted the removal.
ProblemType: Package DistroRelease: Ubuntu 20.04 Package: linux-image-unsigned-5.4.0-47-generic 5.4.0-47.51~18.04.1 ProcVersionSignature: Ubuntu 5.4.0-47.51~18.04.1-generic 5.4.55 Uname: Linux 5.4.0-47-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu27.8 Architecture: amd64 CasperMD5CheckResult: skip Date: Sun Sep 13 13:59:58 2020 ErrorMessage: installed linux-image-unsigned-5.4.0-47-generic package pre-removal script subprocess returned error exit status 1 InstallationDate: Installed on 2019-11-02 (315 days ago) InstallationMedia: Ubuntu-Server 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805) Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2 PythonDetails: /usr/bin/python2.7, Python 2.7.18rc1, python-is-python2, 2.7.17-4 RelatedPackageVersions: dpkg 1.19.7ubuntu3 apt 2.0.2ubuntu0.1 SourcePackage: linux-hwe-5.4 Title: package linux-image-unsigned-5.4.0-47-generic 5.4.0-47.51~18.04.1 failed to install/upgrade: installed linux-image-unsigned-5.4.0-47-generic package pre-removal script subprocess returned error exit status 1 UpgradeStatus: Upgraded to focal on 2020-09-13 (0 days ago) ** Affects: linux-hwe-5.4 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1895475 Title: package linux-image-unsigned-5.4.0-47-generic 5.4.0-47.51~18.04.1 failed to install/upgrade: installed linux-image- unsigned-5.4.0-47-generic package pre-removal script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.4/+bug/1895475/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs