Public bug reported: I am new user of Ubuntu I dont know much about the bugs and their details
ProblemType: Package DistroRelease: Ubuntu 20.04 Package: grub-pc 2.04-1ubuntu26.7 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu27.14 Architecture: amd64 CasperMD5CheckResult: skip Date: Fri Dec 18 20:11:16 2020 DuplicateSignature: package:grub-pc:2.04-1ubuntu26.7 Setting up memtest86+ (5.01-3.1ubuntu2.1) ... /usr/sbin/grub-probe: error: failed to get canonical path of `rpool/ROOT/ubuntu_pnlrk9'. dpkg: error processing package memtest86+ (--configure): installed memtest86+ package post-installation script subprocess returned error exit status 1 ErrorMessage: installed grub-pc package post-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2020-12-17 (0 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) ProcCmdLine: BOOT_IMAGE=/BOOT/ubuntu_pnlrk9@/vmlinuz-5.4.0-42-generic root=ZFS=rpool/ROOT/ubuntu_pnlrk9 ro quiet splash vt.handoff=1 Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2 PythonDetails: N/A RelatedPackageVersions: dpkg 1.19.7ubuntu3 apt 2.0.2ubuntu0.2 SourcePackage: grub2 Title: package grub-pc 2.04-1ubuntu26.7 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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1908729 Title: package grub-pc 2.04-1ubuntu26.7 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/1908729/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs