[linux-dvb] SkyStar2 stops receiving data

Holger Kiehl Holger.Kiehl at dwd.de
Thu Oct 5 14:55:38 CEST 2006


On Wed, 4 Oct 2006, Dmitry V'yal wrote:

> Hello, everyone.
>
> 	I'm using SkyStar2.6d on Gentoo Linux-2.6.16.28.
> It works, but have some stability issues, if it can't be called so.
> 	Card frequently lose the lock then it's rainy. Then weather clears, lock is
> reacquired. Usually it's just a temporary inconvenience, but sometimes
> strange(imo) things happen.
> In that case femon, as usual, shows something around my usual signal level
> # femon
> using '/dev/dvb/adapter0/frontend0'
> FE: ST STV0299 DVB-S (SAT)
> status 1f | signal bba4 | snr c243 | ber 000009b9 | unc 00000000 | FE_HAS_LOCK
> status 1f | signal bbfb | snr c1e6 | ber 00000028 | unc 00000000 | FE_HAS_LOCK
> status 1f | signal bb21 | snr c23a | ber 00000010 | unc 00000000 | FE_HAS_LOCK
> status 1f | signal bb68 | snr c1da | ber 0000000f | unc 00000000 | FE_HAS_LOCK
> status 1f | signal bbdf | snr c216 | ber 0000001c | unc 00000000 | FE_HAS_LOCK
> status 1f | signal bba0 | snr c22e | ber 00000040 | unc 00000000 | FE_HAS_LOCK
>
> But no data is being received, and dvbtraffic can't find any pids, neither does
> dvbsnoop.
> I tried szapping to another transponders with no effect. The only option seems
> to manually bring down dvb0_0 interface, remove it, and reload kernel modules
> concerning dvb and bring up dvb0_0. After that all goes well again usually.
> 	The box is used for sharing satellite internet on lan so I'm really concerned
> about such a (mis)behavior. I would be happy with an advice.
>
Just want to say that I have noticed the same problem with several of those
cards. What I also see is that sometimes one card stops receiving while
the other continues working, although the LNB's are only 20 meters appart.
I could not observe any pattern, in that one would fail more then the
other.

Regards,
Holger




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