*** This bug is a duplicate of bug 1897765 *** https://bugs.launchpad.net/bugs/1897765
I'm not sure what the conditions are for that screen showing or failing to show (usually the latter in my experience), but your journal.txt says: Dec 08 09:46:19 robot gnome-shell[1637760]: Error in freeze/thaw accounting Dec 08 09:46:19 robot gnome-shell[1637760]: GNOME Shell crashed with signal 5 Dec 08 09:46:19 robot gnome-shell[1637760]: == Stack trace for context 0x55d585a44220 == Dec 08 09:46:19 robot gnome-shell[1637760]: #0 55d585f7f1d8 i resource:///org/gnome/shell/ui/windowManager.js:1384 (3fe24e7d03d0 @ 589) so that's bug 1897765. ** This bug has been marked a duplicate of bug 1897765 gnome-shell crashed with signal 5 in g_log("Error in freeze/thaw accounting") from meta_window_actor_thaw() from WindowManager::_sizeChangedWindow -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1907239 Title: Oh no! Something has gone wrong To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1907239/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs