This sounds like the Nvidia driver not being patient enough to cope with gnome-shell's slowness. We have the same kind of issue with libinput too. But it is improving with each gnome-shell release...
Can anyone identify a particular app that causes the problem more often than others? -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1825626 Title: nvLock: client timed out, taking the lock To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-desktop/+bug/1825626/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs