I'm having these exact symptoms on 17.10, all the time. I can only go a few minutes without triggering this bug.
Thinkpad X1 Tablet, clean install of 17.10, happens in both X and Wayland sessions. (In fact I can't click the "post comment" button, and have to hit tab, enter to post the comment!) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/362359 Title: Focus gets stuck to a window - impossible to select other windows To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/362359/+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