[Bug 2041697] Re: firmware-updater snap not installed during upgrade

[Valentin David]

I have managed to reproduce the issue.

During upgrade, snapd deb gets "upgraded" to 2.60.4+23.10. Then a
daemon-reload execute the broken snapd-generator. Then snapd gets
restarted. snap.mount gets pulled in. The mounts get hidden. snapd does
not find the files for /snap/snapd/* anymore and the install of
firmware-updater fails.

The fix is to update the snapd snap in mantic.

As a work-around you can do "sudo mkdir /etc/systemd/system-generators;
sudo ln -s /dev/null /etc/systemd/system-generators/snapd-generator"
before upgrading.

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https://bugs.launchpad.net/bugs/2041697

Title:
  firmware-updater snap not installed during upgrade

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

Bug description:
  I had the version of snapd from lunar-proposed installed and it still
  failed to install the firmware-updater snap.

  ProblemType: Bug
  DistroRelease: Ubuntu 23.10
  Package: ubuntu-release-upgrader-core 1:23.10.10
  ProcVersionSignature: Ubuntu 6.5.0-10.10-generic 6.5.3
  Uname: Linux 6.5.0-10-generic x86_64
  ApportVersion: 2.27.0-0ubuntu5
  Architecture: amd64
  CasperMD5CheckMismatches: ./boot/grub/grub.cfg
  CasperMD5CheckResult: fail
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Oct 27 12:13:12 2023
  InstallationDate: Installed on 2023-07-27 (92 days ago)
  InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Daily amd64 (20230412)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to mantic on 2023-10-27 (0 days ago)
  VarLogDistupgradeTermlog:

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