Hi Sebastien
As I said in my last comment, the problem only occurs after rebooting or
after shutdown and so all I can really show you are the results after a
normal gdm3 boot (with debug enabled), I think?
Here's the AccountsService details, my journalctl dump is attached
# cat /var/lib/Accounts
On closer inspection, gdm3 does remember both my user and last chosen
session/desktop when I log out of X but it fails to recall my user and
session if I reboot or shutdown.
I'm under the impression that gdm3 saves session per user so maybe this
bug should've really been titled something more like
Public bug reported:
gdm3 under Ubuntu 18.04 amd64 doesn't save/restore the last session you
logged into, instead it always reverts to GNOME (that's the case if you
have GNOME installed at least). If you want to use any other desktop it
has to be manually chosen from the session menu every time yo
