I found that it's could be because overloaded Intel HD 4000. It's happening only when I have many windows (10+) opened on many (3+) workspaces and second monitor is connected. After boot it's not happening now.
-- 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/1777427 Title: Locking screen takes 10+ secs (after hit SUPER + L) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1777427/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
