[mythtv-users] How to Prevent Freeze When Starting Playback

[Tom Wheeler]

I have a combined backend/frontend and now an additional (separate)
frontend, both running 0.27 on Mythbuntu. I have noticed with increasing
frequency on both systems over the past several weeks that MythTV
temporarily hangs when I start playing back a previously recorded show.

To be a bit more specific, when I select the show I want to watch and click
OK on my remote, playback often does not begin for a few seconds, and
sometimes for as much as 45 seconds. I'd estimate that the frequency of the
delay follows this pattern:

 40% - No noticeable delay at all
 30% - Delay of 3 seconds or less
 15% - Delay of 3-5 seconds
 10% - Delay of 5-10 seconds
   5% - Delay of 10 seconds or more

What I mean by "freeze" is that it continues showing the list of programs
from which I selected (the video hasn't started playing yet) and the
frontend no longer responds to input from the remote. In the extreme cases
where it freezes for 20+ seconds, I start to doubt whether I'd actually hit
OK in the first place, so I hit it again. Nothing happens, of course, until
the program eventually starts playing and the system processes both clicks.

Any idea what causes this delay and how I can eliminate it?

Thanks,

Tom
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