I get the same thing once in a while. I've been getting it for years.
I don't know what causes it. Mine usually flashes, and is total
nonsensicle.
I've filed bugs on it. We don't know why it does this. If you can
reproduce it consistently, I can add it to my bug.
JP
On Jul 19, 2006, at
A future version of screen will have a feature that will make screen
itself slightly less obtrusive. It will not fix the issue of C-a a a
a a [space], nor will it allow you to grab non-screen'd processes
into screen, but it will make starting a new screen session
(reattaching, actually) mor