[mythtv-users] Current SVN DVB Choppiness

[Ciaran]

Bizarre! I'll have to test when I get home :)
Cheers

On 10/10/05, pschormeir at iiv.de <pschormeir at iiv.de> wrote:
> Yes, service means daemonized. If I start mythbackend -v from a shell, it's running like a charm.
> I'm using remote frontends connected to the backend over 100Mbit wire, but even if I try frontend/backend on the same machine I get
> this problems.
> The problem also appears only while watching DVB Tv, I have a PVR350 in an extra backend, which works perfectly.
> The worst combination was 2 backends, one with the DVB (master) and the other with the PVR (slave) and an extra frontend only
> machine.
> As long as I start both backends daemonized, they are most likely breaking at the first attempt to switch a channel on the dvb
> source. If I start them both from the shell, the are working without any problem.
>
> Fritz
>
> -----Ursprüngliche Nachricht-----
> Von: mythtv-users-bounces at mythtv.org
> [mailto:mythtv-users-bounces at mythtv.org]Im Auftrag von Ciaran
> Gesendet: Montag, 10. Oktober 2005 14:28
> An: Discussion about mythtv
> Betreff: Re: [mythtv-users] Current SVN DVB Choppiness
>
>
> Hmm, I guess by service, you mean as a daemonized process? , I'm also
> running it as that.  But interestingly, my backend + frontend are on
> the same machine, are yours on diferent machines thene ?
> - ciaran
>
>
> On 10/10/05, pschormeir at iiv.de <pschormeir at iiv.de> wrote:
> > Yep, I have exactly the same problem here.
> > Sound is perfect, but video looks like stop and go traffic.
> > Also have the prebuffering pause messages.
> >
> > Backend : XP2500, 512MB, DVB Nova-CI-S
> > Frontends : P4 2000, 256MB, ATI M7500 and XP3000+, 768MB, ATI 9600
> > All machines running under gentoo with 2.6.12/13 kernel
> >
> > I have the feeling, that the effect is less if I do not run mythbackend as a service. I also have the feeling that the backend is
> > more stable in terms of channel changing, if it is not running as service...
> >
> > Fritz
> >
> > -----Ursprüngliche Nachricht-----
> > Von: mythtv-users-bounces at mythtv.org
> > [mailto:mythtv-users-bounces at mythtv.org]Im Auftrag von Ciaran
> > Gesendet: Montag, 10. Oktober 2005 13:20
> > An: Discussion about mythtv
> > Betreff: [mythtv-users] Current SVN DVB Choppiness
> >
> >
> > Hi,
> > Has anyone else/is anyone else currently experiencing periods of
> > extreme choppiness with the current SVN builds when either watching
> > live-tv or recorded shows ? [It should be noticed that audio is
> > unaffected and continues perfectly, but the video is jerky]
> >
> > Also in the fronted logs, I see 'prebuffering pause', and
> > 'prebuffering pause timed out 10 times' [or words to that effect]
> >
> > If I'm running 'top' in aremote terminal the CPU usage isn't going
> > much beyond 17% and the memory usage is acceptable, I really, really
> > cannot work out why its so choppy for me :(
> > [This isn't a continuous problem, it'll last for maybe 2-3 minutes
> > then go away, then come back in an hours time].
> >
> > I *think* it must be something the back-end is doing as it also occurs
> > when watching DVDs on the box.  I assumed it was running out of CPU
> > time but it doesn't appear that way, *however* the load averages are
> > going remarkably high (~11) when I see this problem, so I assume
> > something somewhere is waiting/sleeping poorly?
> >
> > I'm starting to get frustrated with my inability to track this down
> > :(, combined with the fact that I can't get into 'watch recordings'
> > when running mythfrontend normally (Unknown symbol, blah bla), but it
> > works perfectly under GDB, gah!!! Any ideas, straws to clutch etc ?
> >
> > Cheers :)
> > --
> > - Ciaran
> > (I now have far too many G-Mail invites available, anyone who wants
> > one, gets one)
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>
>
> --
> - Ciaran
> (I now have far too many G-Mail invites available, anyone who wants
> one, gets one)
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--
- Ciaran
(I now have far too many G-Mail invites available, anyone who wants
one, gets one)