> I wrote about this particular problem yesterday ...
> http://www.gossamer-threads.com/lists/mythtv/users/108116
> 
> The only thing I can think of ... is that the Live TV has more code
> around pausing, getting behind, etc. etc.  whereas if you are watching a
> recording (nuv file) any errors and you are popped out ....

What kind of network are you using to connect the two boxes?  I have
been seeing similar issues when I tried to add a remote frontend to my
working frontend/backend system with similar error messages on the
remote frontend.   All are Myth v.16, SuSE 9.2.  Using PVR-350 on
combo frontend/backend box with no problems recording, playing or
otherwise.  Remote frontend box is connected via wireless g bridge to
the network and I'm viewing through nvidia quadro card to monitor.  I
see similar issues as you've described, only live tv will also die. 
Here's the thing, on the remote frontend, live tv is more stable than
recordings.  Recordings will die within 1-3 minutes while live tv can
make it 15 minutes before displaying this behavior.  Of course this is
pretty anecdotal data-(I didn't perform the test in triplicate and
record the times or anything- [but I might tonight])  but the
phenomenon was enough that I did make a mental note of it.  When I
physically move the remote frontend box and make a wired connection to
the router to which my backend is directly wired (thereby making a
100mbs connection), it did not crash even when watching recordings- It
worked fine for over 30 minutes so I called it stable and moved
everything back.   As of tuesday morning when I did this test I was
thinking that my network is a little flaky (even though there are no
other issues with streaming media to windows boxes connected through
the wireless bridge), but there may be more to it.  I also feel like
if there was a way to just bump up the buffering a little bit, I'd be
fine...  My other thought is to try to transcode, instead of streaming
MPEG-2, smaller files should stream better.  But, since my main system
uses the PVR-350 tv-out, I hesitate to even go down this path as it's
not a real long term solution for me.  The remote frontend is a
workstation and should get minimal use with myth...
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