[linux-dvb] DVB-S Channel searching problem

Alex Betis alex.betis at gmail.com
Sat Jan 3 21:48:45 CET 2009


On Sat, Jan 3, 2009 at 9:39 PM, Roman Jarosz <roman.jarosz at gmail.com> wrote:

> On Sat, 03 Jan 2009 19:58:45 +0100, Alex Betis <alex.betis at gmail.com>
> wrote:
>
> >> I use scan from dvb-apps, the command is
> >> "scan -o vdr /root/dvb/Astra-19.2E > /etc/vdr/channels.conf"
> >> where /root/dvb/Astra-19.2E is file with "S 11567500 V 22000000 5/6"
> >
> > I think that's the main issue. *BOUWSMA w*rote that its ok to rely on
> > astra's maintainers and connect to any transponder is enough to get a
> > list
> > of all others. I personaly don't trust those maintainers since I saw too
> > many errors in NIT messages that specify the transponder, so I specify
> > all
> > the frequencies I want to scan. I don't have a dish to 19.2, but there
> > were
> > many errors with 5 other satellites I have.
> > You can get a list of those frequencies here:
> > http://www.lyngsat.com/astra19.html
>
> Could you tell me how? I've tried with S 12188000 H 27500000 3/4 and
> it doesn't find anything.

Try also scan-s2 with:
S 12188000 H 27500000 3/4 AUTO QPSK


>
> >
> >
> >>
> >> I use cx88-dvb driver but many modules are loaded with it see
> >> http://kedge.wz.cz/dvb/lsmod.txt
> >
> > I meant to ask what is the origin of the driver. I use Igor's driver
> > from:
> > http://mercurial.intuxication.org/hg/s2-liplianin/
>
> I use driver from vanilla kernel 2.6.28 which have DVB api version 5.0.
>
> > If you have a S2API driver (or will use Igor's driver), you can use my
> > scan-s2 application with many changes in NIT parsing that might resolve
> > your
> > issue.
> > http://mercurial.intuxication.org/hg/scan-s2/
> >
>
> See below.
>
> >>
> >> Scan console output is in file http://kedge.wz.cz/dvb/channels.conf
> >> and the result in http://kedge.wz.cz/dvb/channels.conf
> >
> > You've posted the same link for both outputs. Please post console output
> > when you run scan with "-v" parameter. Maybe even with "-vv".
> >
>
> The console output should be http://kedge.wz.cz/dvb/scanconsoleout.txt.
>
> I've tried to run scan and scan-s2 on "S 12188000 H 27500000 3/4"
> were the "RTL 2 Deutschland" channel should be and neither scan found
> anything.
>
> The console outputs are here:
> http://kedge.wz.cz/dvb/scan.txt
> http://kedge.wz.cz/dvb/scans2.txt

I don't see any problem with scan output. I don't have the same card as
yours, so only guessing...

Do you have a diseqc on the way?


>
>
>
> If you want me to run the whole scan for "S 11567500 V 22000000 5/6" with
> -vv
> let me know and I'll do it.

No, no need.

>
>
> >>
> >> When console shows
> >> __tune_to_transponder:1508: ERROR: Setting frontend parameters failed:
> >> 22
> >> Invalid argument
> >>
> >> the dmesg prints
> >> DVB: adapter 0 frontend 0 frequency 8175750 out of range
> >> (950000..2150000)
> >
> > It could be anything. Bad NIT message (most probably) or a memory
> > smashing
> > in scan application.
> >
> >
> >>
> >>
> >> Roman
> >>
> >> _______________________________________________
> >> linux-dvb mailing list
> >> linux-dvb at linuxtv.org
> >> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
> >>
>
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