I ran the command "ubuntu-bug gnome-shell" right after the bug happens.
Here's the log generated: https://bugs.launchpad.net/ubuntu/+source /gnome-shell/+bug/1868035 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1867977 Title: Gnome shell crashed when attempt to lock screen / open app drawer with an active window To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1867977/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs