I have experienced this behaviour under XFCE (it works fine for me on Unity). I am using Ubuntu 12.10.
The steps to reproduce the bug: - Open any video with VLC. - Press "f" to go full screen. - Wait 10 minutes. - The screen goes blank. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/944062 Title: display power management utilities turn screen off after 10 minutes even when VLC is playing video To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vlc/+bug/944062/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs