I think that the screensavers were a red herring. In fact, my mouse was plugged into my monitor and thus was being disconnected and reconnected whenever I turned the monitor off and back on. I was only doing this when I would leave for an extended period of time, hence the correlation with locking the screen for hours.
After moving my mouse to a USB port on the tower rather than the monitor, my problem appears to have gone away. -- 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/816580 Title: Mouse freezes after screensaver lock To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/816580/+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