[mythtv-users] DVB-S2 card failing to display channels

[Chris Lewis]

On Feb 28, 2013 2:25 PM, "Jeffrey Ratcliffe" <jeffrey.ratcliffe at gmail.com>
wrote:
>
> I've just built my first HTPC, using Mythbuntu 12.04, as my other
> machines run Ubuntu 12.10. For various reasons, I have both a DVB-C
> card (adapter 0) and a DVB-S2 card (adapters 1 and 2, although only 1
> is connected to an LNB ATM). DVB-C is working properly, as is DVB-S
> via a set-top box.
>
> I started with a DVBSky S952 DVB-S2 card. I had to compile the drivers
> for it, but after I did, it was found by the kernel.
>
> scan -a 1 -x0 /usr/share/dvb/dvb-s/Astra-28.2E | tee channels.conf
>
> produces a seemingly sane channels.conf file, but
>
> mplayer dvb://"1:0 at BBC THREE"
>
> refused to show anything:
>
> MPlayer svn r34540 (Ubuntu), built with gcc-4.6 (C) 2000-2012 MPlayer Team
> mplayer: could not connect to socket
> mplayer: No such file or directory
> Failed to open LIRC support. You will not be able to use your remote
control.
>
> Playing dvb://1:0@BBC THREE.
> Option stream url: This URL doesn't have a password part.
> dvb_tune Freq: 10817
> ERROR tuning channel
> dvb_tune, TUNING FAILED
> ERROR, COULDN'T SET CHANNEL  604: Failed to open dvb://1:0@BBC THREE.
>
> for comparison, with the DVB-C, this works fine:
>
> $ mplayer dvb://"0:0 at KiKA"
> MPlayer svn r34540 (Ubuntu), built with gcc-4.6 (C) 2000-2012 MPlayer Team
> mplayer: could not connect to socket
> mplayer: No such file or directory
> Failed to open LIRC support. You will not be able to use your remote
control.
>
> Playing dvb://0:0@KiKA.
> Option stream url: This URL doesn't have a password part.
> dvb_tune Freq: 394000000
> TS file format detected.
> VIDEO MPEG2(pid=310) AUDIO MPA(pid=320) NO SUBS (yet)!  PROGRAM N. 0
> VIDEO:  MPEG2  720x576  (aspect 3)  25.000 fps  15000.0 kbps (1875.0
kbyte/s)
>
> The channel scanner in mythbackend couldn't even find any channels on
> the DVB-S2 tuner. I tried both a full scan (using information I found
> here: http://parker1.co.uk/mythtv_freesat.php), and importing the
> channels.conf produced by the scan command.
>
> After much messing about and frustration, I sent the DVBSky card back,
> assuming that there was some compatibility problem or fault, and
> instead ordered a Digital Devices Cine S2 V6, which was recognised
> automatically by the kernel.
>
> Frustratingly, I have *exactly* the same problems with this card, with
> scan finding channels, but mplayer not showing them, and mythbackend
> not finding channels.
>
> Now I am completely at a loss, and don't know what to try next.
>
> I assume that the fact that the set-top box is working OK demonstrates
> that it is not a problem with the dish, LNB or cable.
>
> I assume that it is unlikely that both DVB-S2 cards were faulty.
>
> Does this mean that I should start blaming the motherboard?
>
> Does anyone have any insight?
>
> Regards
>
> Jeff
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Silly question but have u set up the lnb in myth?

Chris
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