Several of us have reported, since the F11 GA release date, that the display sometimes suddenly go blank for a brief period – a second or two – before coming back. Listed under the “Common F11 bugs” wiki page (bugzilla id #501601), the root cause has been identified in the X server and fixed (git commit) by Peter Hutterer. As Richard Hughes said: “XIDLETIME now works as expected, and gnome-session and gnome-power-manager do the right thing. This means no more random blanking when typing.”
There’s a pending Fedora 11 update here: please test it and add your feedback at the bottom of that page!
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