[Bug 1951096] Re: Dist upgrade from focal to jammy fails when upgrading ubuntu-desktop, breaking gnome-control-center

[Brian Murray]

Editing /etc/apt/sources.list and replacing focal with jammy "works" but
would end up removing the following packages which includes ubuntu-
desktop.

The following packages will be REMOVED:
  gir1.2-mutter-6 gir1.2-unity-5.0 gnome-control-center gnome-shell-extension-desktop-icons gvfs-backends gvfs-bin libgc1c2 libmutter-6-0
  libsemanage1 libsmbclient libtss2-esys0 python3-ldb samba-libs ubuntu-desktop ubuntu-desktop-minimal

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https://bugs.launchpad.net/bugs/1951096

Title:
  Dist upgrade from focal to jammy fails when upgrading ubuntu-desktop,
  breaking gnome-control-center

Status in ubuntu-release-upgrader package in Ubuntu:
  Confirmed
Status in ubuntu-release-upgrader source package in Jammy:
  Confirmed

Bug description:
  Yesterday (2021-11-15) I attempted to dist-upgrade my laptop running
  focal to jammy (`update-manager -d`). The upgrade initially proceeded,
  but failed early after apt reported gnome-control-center would be
  broken. I'm attaching the full logs from /var/log/dist-upgrade/.

  Note: I eventually managed to upgrade to jammy by doing all
  intermediate upgrades (focal -> hirsute -> impish -> jammy), and
  overall the process was quite smooth. I didn't have to sort out
  updates breaking installed packages in that scenario, so the issue
  only affects the focal -> jammy upgrade, somehow.

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