Possible Duplicate: How can I hibernate/suspend from the command line and do so at a specific time and a relative time? what is the equivalent of a command line like 'shutdown -h +60' but ...
I have screen saver as well. But with 11.10 the screen goes black/blank while banshee is playing (full screen now playing mode) and while watching movies in VLC. I did not have this issue in any prior ...