[mythtv] waiting for prebuffer...
John Patrick Poet
john at BlueSkyTours.com
Mon Sep 27 16:35:29 EDT 2004
On Mon, 27 Sep 2004, Thomas Börkel wrote:
> John Patrick Poet wrote:
> >> Does it help at all if you uncomment the calls to run the decoder at
> >> realtime priority? (This is not a good idea in general -- sometimes
> >> makes the videoout thread starved for cycles and jittery -- but if it
> >> improves matters might indicate that the decoder thread's starved for
> >> CPU). Could the driver for your gigabit ethernet be hogging CPU for
> >> longish periods? Can you try to make the MTU smaller?
> > The typical load on the frontend is just a touch over 1, with between 40
> > and 45% CPU.
> > I have had this problem since before you added the "realtime priority",
> > so I don't think that has anything to do with it.
> > I need to some more testing, but it actually looks like lowering the MTU
> > has solved the problem! The problem is infrequent enough that I cannot
> > be sure, but I have not seen a glitch in over an hour, now.
> To what value did you set the MTU? And did you lower it only on the
Actually, I only lowered on on the backend. I just randomly choose 800, and
it does seem to have fixed the problem.
I use my backend for other things, several of them internet related, so I
assume that even though it has a gigabit NIC, that service times were too
More information about the mythtv-dev