This happens every now and then, I have not pinned down the cause but let me describe the symptoms.
On occasion when I come back to the computer after a few hours the screen is in energy saving mode, I touch the mouse, or the keyboard and I see the screen as it was when I left it. Then, a few seconds later the screen dims to black and the screen saver turns on, moving the mouse again brings me to the login page to unlock the screen.
This seems to be a security flaw since unauthorised users can see my screen...
Anyone seen this happen to them?
I'm using Fedora 14 184.108.40.206-95.fc14.i686PAE