It sounds like gnome-shell is frozen/crashed and Xorg is still running. Please:
1. Remove any gnome-shell extensions you may have installed and log out and in again. 2. If the problem still happens, check the Extensions app and disable all extensions. Then log out and in again. 2. If the problem still happens, please follow these steps: https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1904671 Title: After a certain amount of time after the session is launched, mouse clicks are no longer accepted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1904671/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp