Hi, this happens to me also in Ubuntu 13.04. Sometimes it happens when the screensaver is active, but sometimes it happens even when I'm working with the computer. In the second case I can go to console and restart the lightdm service, but in the first case I have to REISUB to make things work again.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/762918 Title: Natty Screensaver freezes system after some period of inactivity To manage notifications about this bug go to: https://bugs.launchpad.net/acpi/+bug/762918/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs