I have exactly the same problem on Ubuntu 16.04. If Google Chrome is running and toggl, twitter, or gmail tab is opened than the screen lock doesn't work. The only workaround is to press CTRL-ALT-L or close Google Chrome.
I have exactly the same problem on Ubuntu 16.04. If Google Chrome is running and toggl, twitter, or gmail tab is opened than the screen lock doesn't work. The only workaround is to press CTRL-ALT-L or close Google Chrome.