I have the same issue. I can fix it by changing terminals (alt-ctrl-F1) and pkill gnome-screensaver
back on my gnome session (ctrl-alt-f7) I'm back on my desktop -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/781697 Title: screen saver system freeze after some time -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
