I've never seen this behaviour before so wonder if it's caused by any of the modifications you've made to this system.
Please start by uninstalling all of these extensions: 'openweather-extens...@jenslody.de', 'dash-to-d...@micxgx.gmail.com', 'clipboard-indica...@tudmotu.com', 'places-m...@gnome-shell-extensions.gcampax.github.com', 'refresh-w...@kgshank.net', 'NotificationCounter@coolllsk', 'permanent-notificati...@bonzini.gnu.org', 'removeaccesibility@lomegor', 'variety_control@manjaro' and then reboot. We need to look at extensions first because so many bugs are caused by extensions. And we require that you uninstall extensions and not just disable them because buggy extensions can still interfere with the system. ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1864325 Title: On press of space key, lock screen got into a loop of trying to show the password field To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1864325/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs