[linux-dvb] Re : Re : Re : Re : Re : Twinhan 1041 (SP 400) lock and scan problems - the solution [not quite :(]

Alex Betis alex.betis at gmail.com
Wed Oct 15 08:22:49 CEST 2008


I have some channels with 2/3 that loose FEC lock.


On Wed, Oct 15, 2008 at 1:37 AM, Emmanuel ALLAUD <eallaud at yahoo.fr> wrote:

> Le 14.10.2008 19:09:37, Manu Abraham a écrit :
>  > Hi,
> >
> > Emmanuel ALLAUD wrote:
> > > Le 06.10.2008 06:33:56, Alex Betis a écrit :
> > >> Emmanuel,
> > >>
> > >> As I wrote:
> > >>> Just to clarify it, the changes mostly affect DVB-S channels
> > >>> scanning,
> > >>> it
> > >>> doesn't help with DVB-S2 locking problem since the code is
> > totally
> > >>> different
> > >>> for S and S2 signal search.
> > >> The 11495 channel you reported as bad is DVB-S2, so my changes
> > >> doesn't
> > >> help
> > >> for that channel.
> > >>
> > >> I hope Manu will find a solution since I don't have any
> > documentation
> > >> for
> > >> that chip and solving the DVB-S2 problem needs knowledge in chip
> > >> internals.
> > >
> > > OK so here are the 2 logs using simpledvbtune, one using dvb-s2 and
> > the
> > > other dvb-s (and I check the tables from the other transponders of
> > this
> > > sat, this transponder is declared as DVB-S).
> > > In any case you will see that something is picked up in both cases
> > but
> > > nothing comes out fine finally.
> > > I CCed Manu to see if he can shed some light!
> > > This is done with a clean multiproto tree IIRC, verbose=5 for both
> > > stbxxxx modules.
> >
> >
> > I will take a look at this. BTW, any idea what FEC you are using for
> > the
> >   transponder you are trying to tune to ?
>
> It is marked in the tables as 5/6 (all the other transiponders are 3/4
> and they work so this should be the problem).
> Thanks,
> Bye
>  Manu
>
>
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