[linux-dvb] Re: transport errors & femon

[paul_woodward@fastnet.co.uk (Paul Woodward)]

> On Mon, Feb 09, 2004 at 12:37:25AM +0100, Holger Waechtler wrote:
> > Hamish Moffatt wrote:
> > >
> > >What about the tda1004x - do you trust its counters? I'm definitely
> > >getting packets flagged as errored from the demux device while the
> > >uncorrected error count is always zero.
> >
> > maybe you want to check the counter reset code in the driver (or is it
> > reset automatically at each read?) to be sure...
> 
> Is it possible that the transport errors are actually caused by buffer
> overflows inside the frontend? Is there a way to detect that? (Does it
> even have buffers?)
> 
> In MythTV when I'm changing channels on the Avermedia card (sp887x,
> microtune frontend plus bt878 bridge), about 30-50% of the time I get
> non-stop errors. If I quit from live TV and go in again (which doesn't
> involve retuning the frontend), it works OK. No change in BER/UNC from
> femon.
> 
> The sp887x/dvb-bt8xx combination reports a Microtune 7202 tuner but
> there's no mention of that on Microtune's web site, nor in Google
> really. They do have a 7072 though. Could it be a typo?
> 

In mythtv I get continuous prebuffer pauses when I change channels on my AverTV DVB card (works fine if you exit and then re-enter live TV). My  Nova-T's work great. I'm running Myth 0.14, kernel-2.6.3-rc1 and the CVS dvb-kernel compiled in.

Paul



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