[mythtv] Black screen after program guide

[Frank Riley]

John Harvey wrote:
> Something that is caused by a race condition between 2 parts and then shows
> up because one of those changes doesn't meen that thing that changed is
> wrong, just that its performance has changed and has exposed a bug (that was
> always known about) in the other.

I agree.

John, is it possible to briefly explain this race condition? I'm interested 
in this since I have this same problem.