Comment 0 for bug 1990704

This occurred during an new installation of Kinetic with a daily build from 20220920 when doing a ZFS install in qemu.

ProblemType: Package
DistroRelease: Ubuntu 22.10
Package: grub-pc 2.06-2ubuntu12
ProcVersionSignature: Ubuntu 5.19.0-15.15-generic 5.19.0
Uname: Linux 5.19.0-15-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.23.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Fri Sep 23 16:33:27 2022
ErrorMessage: installed grub-pc package post-installation script subprocess returned error exit status 1
ProcCmdLine: BOOT_IMAGE=/BOOT/ubuntu_qv5znx@/vmlinuz-5.19.0-15-generic root=ZFS=rpool/ROOT/ubuntu_qv5znx ro quiet splash vt.handoff=1
Python3Details: /usr/bin/python3.10, Python 3.10.7, python3-minimal, 3.10.6-1
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.21.9ubuntu1
 apt 2.5.2
SourcePackage: grub2
Title: package grub-pc 2.06-2ubuntu12 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)