[mythtv-users] mythbackend warnings: frequency out of range

Gavin Whitehead gavin at alabastercranium.demon.co.uk
Tue Feb 21 20:07:44 UTC 2012


On 18/02/2012 10:26, Gavin Whitehead wrote:
> Folks,
>
> Are these warning messages in my mythbackend.log something to be worried
> about?  I get them on start up of the backend.
>
> 2012-02-18 08:28:02.729 DVBChan(6:/dev/dvb/adapter1/frontend0) Warning:
> Your frequency setting (10773250) is out of range. (min/max:950000/2150000)
> 2012-02-18 08:28:04.623 DVBChan(7:/dev/dvb/adapter2/frontend0) Warning:
> Unsupported fec_inner parameter.
> 2012-02-18 08:28:02.906 DVBChan(8:/dev/dvb/adapter2/frontend0) Warning:
> Your frequency setting (11307000) is out of range. (min/max:950000/2150000)
>
> I can watch LiveTV and record/play back recordings on the system.
>
>
> MythTV Version:  'fixes/0.24 [v0.24.2-13-g074fb6e]
> OS:                         Ubuntu 11.10.
> Configuration:      Combined BE/FE
> Location:               UK
> Tuner:                    TBS 6981 Dual DVB-S2
>
> When I scanned for channels I use the advice on
> http://parker1.co.uk/mythtv_freesat.php i.e. two scans with parameters
> as follows:
>
> Freq: 10714000
> Polarity: Horizontal
> Symbol rate: 22000000
> Mod Sys: DVB-S
> FEC: 5/6
> Modulation: QPSK
> Inversion: leave at auto
> Rolloff: leave at 0.35
>
> Freq: 10847000
> Polarity: Vertical
> Symbol rate: 23000000
> Mod Sys: DVB-S2
> FEC: 8/9
> Modulation: QPSK
> Inversion: leave at auto
> Rolloff: leave at 0.35
>
> My 'channelscan_dtv_multiplex' table seems to contain multiple entries for each of the frequencies listed in the warning messages (two rows per scan).
>
> Are these 'just' warnings or do they hint that something is mis-configured?
>
> Gav
>
>
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Surely in a forum such as this one there must be somebody with an 
opinion to offer ;-)

Gavin


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