*** This bug is a duplicate of bug 2096979 ***
https://bugs.launchpad.net/bugs/2096979
** This bug has been marked a duplicate of bug 2096979
wireless-regdb update problem at Ubuntu 24.04.1 TPM-backed Full Disk
Encryption setup
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https://bugs.launchpad.net/bugs/2100710
Title:
apt fails installing wireless-regdb when using pc-kernel (snap) due to
read-only filesystem
Status in apt package in Ubuntu:
New
Bug description:
# System environment
Ubuntu 24.04.2 LTS using pc-kernel snap
# Expected behaviour
When updating the system with apt, the upgrade should be able to install all
packages.
# Actual behaviour
When using apt, the upgrade of 'wireless-regdb' fails, when using the
pc-kernel (snap) because it cannot unpack the regulator.db into the kernel
firmware or apt should be aware that a read-only filesystem when using the
pc-kernel (snap) is to be expected. If the regulatory.db is provided be the
snap package instead, the *.deb package for wireless-regdb should not be
included in the installation.
```
Unpacking wireless-regdb (2024.07.04-0ubuntu1~24.04.1) over
(2022.06.06-0ubuntu2) ...
dpkg: error processing archive
/var/cache/apt/archives/wireless-regdb_2024.07.04-0ubuntu1~24.04.1_all.deb
(--unpack):
unable to create '/lib/firmware/regulatory.db.dpkg-new' (while processing
'./lib/firmware/regulatory.db'): Read-only file system
dpkg: error while cleaning up:
unable to remove newly-extracted version of '/lib/firmware/regulatory.db':
Read-only file system
Errors were encountered while processing:
/var/cache/apt/archives/wireless-regdb_2024.07.04-0ubuntu1~24.04.1_all.deb
```
# Solutions that I have tried
Uninstalling package
```
sudo dpkg --remove --force-remove-reinstreq wireless-regdb
dpkg: warning: overriding problem because --force enabled:
dpkg: warning: package is in a very bad inconsistent state; you should
reinstall it before attempting a removal
(Reading database ... 101535 files and directories currently installed.)
Removing wireless-regdb (2022.06.06-0ubuntu2) ...
dpkg: error processing package wireless-regdb (--remove):
cannot remove '/lib/firmware/regulatory.db.p7s': Read-only file system
Processing triggers for man-db (2.12.0-4build2) ...
Errors were encountered while processing:
wireless-regdb
```
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: apt 2.7.14build2
ProcVersionSignature: Ubuntu 6.8.0-54.56-generic 6.8.12
Uname: Linux 6.8.0-54-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.3
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun Mar 2 17:02:33 2025
ProcEnviron:
LANG=de_DE.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
SourcePackage: apt
UpgradeStatus: No upgrade log present (probably fresh install)
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