Does not sound like a grub issue at all, and there has been no progress on fixing it, so reassigning to zsys and setting back to New
** Package changed: grub2 (Ubuntu) => zsys (Ubuntu) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to zsys in Ubuntu. https://bugs.launchpad.net/bugs/1885234 Title: package zsys 0.4.6 failed to install/upgrade: installed zsys package post-installation script subprocess returned error exit status 1 Status in zsys package in Ubuntu: Fix Released Bug description: Occurred during initial apt upgrade after enabling focal-proposed. ProblemType: Package DistroRelease: Ubuntu 20.04 Package: zsys 0.4.6 ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34 Uname: Linux 5.4.0-33-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu27.3 Architecture: amd64 CasperMD5CheckResult: skip Date: Thu Jun 25 21:39:26 2020 ErrorMessage: installed zsys package post-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2020-06-07 (18 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_a7b04u@/vmlinuz-5.4.0-33-generic root=ZFS=rpool/ROOT/ubuntu_a7b04u ro quiet splash Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2 PythonDetails: N/A RelatedPackageVersions: zfs-initramfs 0.8.3-1ubuntu12.1 zfsutils-linux 0.8.3-1ubuntu12.1 SourcePackage: grub2 Title: package zsys 0.4.6 failed to install/upgrade: installed zsys package post-installation script subprocess returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) ZFSImportedPools: NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT rpool 107G 82.4G 24.6G - - 55% 76% 1.00x ONLINE - ZFSListcache-bpool: bpool /boot off on on off on off on off - none bpool/BOOT none off on on off on off on off - none bpool/BOOT/ubuntu_a7b04u /boot on on on off on off on off - none To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zsys/+bug/1885234/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp