[Bug 2106308] Re: apt update + apt upgrade does not work because of some read-only filesystem

[Julian Andres Klode]

*** 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/2106308

Title:
  apt update + apt upgrade does not work because of some read-only
  filesystem

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Hello,

  Ubuntu 24.04.2 running with secure boot + FDE using the TPM, all setup
  with the official installer.

  This is my gf's laptop so I am trying to be as vanilla as possible.

  We are not able to do the regular system upgrade through the GUI.

  Using the command line gives a little bit more information:

  dpkg: error processing archive /tmp/apt-dpkg-install-cOTDC6/02-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

  Sorry if the bug report was done in the wrong component…

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: ubuntu-release-upgrader-core 1:24.04.26
  ProcVersionSignature: Ubuntu 6.8.0-54.56-generic 6.8.12
  Uname: Linux 6.8.0-54-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.5
  Architecture: amd64
  CasperMD5CheckResult: pass
  CrashDB: ubuntu
  CrashReports: 600:0:109:146280:2025-04-05 11:42:10.169968251 -0700:2025-04-05 12:02:54.649446183 -0700:/var/crash/wireless-regdb.0.crash
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr  5 12:06:11 2025
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  RebootRequiredPkgs: Error: path contained symlinks.
  SourcePackage: ubuntu-release-upgrader
  Symptom: dist-upgrade
  UpgradeStatus: No upgrade log present (probably fresh install)

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