If you are testing Ubuntu 17.04 "zesty" (still in Alpha), do not upgrade gnome-shell because 3.22.2-2ubuntu1 will break gdm. [1]
Since unattended-upgrades install all updates automatically [2], I recommend you run the following commands until this issue is fixed: sudo apt-mark hold gnome-shell sudo apt-mark hold gnome-shell-common Thanks, Jeremy Bicha [1] https://launcpad.net/bugs/1657958 [2] https://launcpad.net/bugs/1649709 -- Ubuntu-GNOME mailing list Ubuntu-GNOME@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-gnome
