[vdr] Re: Experiences with patched VDR 1.2.x (was Re: [PATCH] Old descriptorh

["Martin Holst" <holstm@gmx.de>]

Christian Jacobsen wrote:
> >No let us assume that someone have 4 cards. With your idea, this guy
> >wouldn't be able to tune to 3 transponders in live view. Maybe it is
> >possible to
> >start a transfer mode whenever a transponder is needed, to which one of
> >card 2-4
> >is switched. But what about recording? 
> 
> 
> If I understand it right then it is only a problem with 2 cards sitting
> next to each others !
> This means that card 1 and 2 should not use same transponder, on 1 and 3
> it should be OK to use the same. Then again 2 and 3 should not use same
> transponder and so on.

Between my two DVB-s Cards are 4 PCI Slots. And the problem don't change
when I change the order of my cards. And as I mentioned, another vdr with 2
DVB-s, another Motherboard, etc have the same problem.

> >
> >Hmm, I think we should track this error on its root. I'd a look in
> DVB-CVS
> >and noticed that in mid-june 2002 there was a change in the mentioned
> >function. Maybe we should try the older version of that function?
> 
> 
> I am not sure which change you mean. Could you point me to it :
> http://linuxtv.org/cgi-bin/cvsweb.cgi/DVB/driver/dvb_frontend.c
> 
> I will then try without that change.

Checkout dvb_frontend.c with tag "1.6.2.31" and with tag "1.6.2.32". Then
you will see, which changes I mean. 

> 
> >Until now, we've no idea, why this error occur only on the secondary
> > card.
> >When I understand the text above correctly, this behaviour should occur
> >on both cards at the same time. But this isn't the case. 
> 
> 
> Yes you are right here. It says "so both lose sync" - hmm.
> But I think it is worth trying anything that could work. And as it seems
> to be a driver bug which vdr triggers with the 1.1.27c patch, or am I
> wrong here.
> (hw_sections=1 also goes in that direction.)

Hmm, do you mean the UPT-Error or the "video data stream broken"-Error? This
are two different problems, as I can say, that until now I've no UPT-Error
with my patched vdr 1.2.5 and DVB from 24.09. with hw_sections=0.  But I've
the "video data stream broken"-Error since vdr 1.0.x. Unfortunately I can't
remember, whether any vdr 1.0.x-version worked without that error.

> >
> >And why is it impossible to tune to any channel on the secondary card,
> >when
> >this behaviour occur? Only a restart of the driver helped.
> 
> 
> That also "points" to the Driver.

It could also be possible, that vdr handle the devices in a wrong way. I
don't know, but until now we're all unsure, where the problem is located.

Martin

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