[mythtv-users] Channel scan doesn't work

[Jksj]

On 19/12/12 09:09, schlimbo at gmx.de wrote:
> Hi,
> I am currently trying to switch from DVB-T to DVB-S. I installed a brand-new mythbuntu (with mythtv-0.25). It finds my DD cine s2 fine; I can't see any issues with dmesg, all looks good. However, neither the scan in mythtv not the command-line scans work.
>
> I am using a quatro-lnb attached to a 5/8 multiswitch, telling Mythtv each tuner is attached to a LNB.
>
> Using ZDF (for Astra) 11954000/hor/27500000 in mythtv-setup shows "no lock", signal strength 80%, signal/noise 74% for a while and then quits scanning without finding anything and reports a timeout.
>
> The scan tool shows the following:
>
> myth at mythserver:~$ sudo scan /usr/share/dvb/dvb-s/Astra-19.2E
> scanning /usr/share/dvb/dvb-s/Astra-19.2E
> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> initial transponder 12551500 V 22000000 5
>>>> tune to: 12551:v:0:22000
> DVB-S IF freq is 1951500
> WARNING: >>> tuning failed!!!
>>>> tune to: 12551:v:0:22000 (tuning failed)
> DVB-S IF freq is 1951500
> WARNING: >>> tuning failed!!!
> ERROR: initial tuning failed
> dumping lists (0 services)
> Done.
>
> Any idea, suggestions?
>
> frank
>
>
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The easiest way, I have found to get dvb-s going is to test it first 
using Kaffeine --kill mythbackend first .Kaffeine seems to have the 
simplest satellite setup mechanism and it will at least prove the card, 
driver and dish are working before trying to set up Myth.