Public bug reported:
Setting up grub-efi-amd64-signed (1.202.5+2.12-1ubuntu7.3) ...
mount: /var/lib/grub/esp: unknown filesystem type 'linux_raid_member'.
dmesg(1) may have more information after failed mount system call.
dpkg: error processing package grub-efi-amd64-signed (--configure):
installed grub-efi-amd64-signed package post-installation script subprocess
returned error exit status 32
grub was fine and now refuse to upgrade/install for no reason.
ProblemType: Package
DistroRelease: Ubuntu 22.04
Package: grub-efi-amd64-signed 1.187.12+2.06-2ubuntu14.8
ProcVersionSignature: Ubuntu 6.8.0-60.63~22.04.1-generic 6.8.12
Uname: Linux 6.8.0-60-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.8
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Mon Jun 16 10:57:06 2025
ErrorMessage: installed grub-efi-amd64-signed package post-installation script
subprocess returned error exit status 32
Python3Details: /usr/bin/python3.10, Python 3.10.12, python3-minimal,
3.10.6-1~22.04.1
PythonDetails: N/A
RelatedPackageVersions:
dpkg 1.21.1ubuntu2.3
apt 2.4.14
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.187.12+2.06-2ubuntu14.8 failed to
install/upgrade: installed grub-efi-amd64-signed package post-installation
script subprocess returned error exit status 32
UpgradeStatus: Upgraded to jammy on 2025-06-16 (0 days ago)
** Affects: grub2-signed (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-package jammy third-party-packages
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https://bugs.launchpad.net/bugs/2114715
Title:
package grub-efi-amd64-signed 1.187.12+2.06-2ubuntu14.8 failed to
install/upgrade: installed grub-efi-amd64-signed package post-
installation script subprocess returned error exit status 32
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