I also had this problem with AMD64 & Nvidia Geforce, but it doesn't actually freeze the system, you just can't get out of the screen lock. I solved it by un-checking the option to show notifications on the lock screen - no problems since then.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-screensaver in Ubuntu. https://bugs.launchpad.net/bugs/1685141 Title: System freezes after locking screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/1685141/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
