This is probably a bug in an extension, and you have many many extensions enabled.
Please start by disabling ALL of your extensions in the Extensions app. And then slowly re-enable only a few at a time to find which is causing the problem. ** Changed in: gnome-shell (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1893032 Title: groovy gnome-shell crashes so gdm is black screen with cursor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1893032/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs