[mythtv-users] DVB-T2 290e Problem Tuning HD Channels UK Freeview.

[Mike Bibbings]

On 16/01/14 10:32, Ian Barton wrote:
> So I got my new DVB-T2 290e added it to the backend, did a complete 
> nuke all channels and full rescan using the new card and found all the 
> HD channels. For 24hrs I was a very happy bunny as I could watch and 
> record HD.
>
> However, suddenly the card couldn't find the HD channels. No amount of 
> re-scanning, kernel downgrades, etc would make the HD channels re-appear.
>
> I am in the Winter Hill reception area. I can receive HD fine by just 
> using the TV. We have three aerials in the house and I have tested 
> using all of them. I have tried the 290e on several boxes. All have 
> the same result,  can tune all of the SD channels, but it doesn't find 
> the HD ones.
>
> If I run scan on the mux that has the HD channels I get the following 
> errors:
>
> ian at mythtv:~$ sudo scan -a3 -o zap /home/ian/uk-WinterHill > 
> channels3.conf
> scanning /home/ian/uk-WinterHill
> using '/dev/dvb/adapter3/frontend0' and '/dev/dvb/adapter3/demux0'
> ERROR: invalid enum value '7378'
> ERROR: invalid enum value '3300'
> ERROR: invalid enum value '0'
> ERROR: invalid enum value '8MHz'
> ERROR: invalid enum value '2/3'
> ERROR: invalid enum value 'NONE'
> ERROR: invalid enum value 'QAM2'
> initial transponder 2 3 9 9 6 2 4 4
> >>> tune to: 
> 2:INVERSION_AUTO:BANDWIDTH_AUTO:FEC_AUTO:FEC_AUTO:QAM_AUTO:TRANSMISSION_MODE_AUTO:GUARD_INTERVAL_AUTO:HIERARCHY_AUTO
> __tune_to_transponder:1910: ERROR: Setting frontend parameters failed: 
> 22 Invalid argument
> >>> tune to: 
> 2:INVERSION_AUTO:BANDWIDTH_AUTO:FEC_AUTO:FEC_AUTO:QAM_AUTO:TRANSMISSION_MODE_AUTO:GUARD_INTERVAL_AUTO:HIERARCHY_AUTO
> __tune_to_transponder:1910: ERROR: Setting frontend parameters failed: 
> 22 Invalid argument
> ERROR: initial tuning failed
> dumping lists (0 services)
> Done.
>
> The relevant mux info is:
>
> #---------------------------------------------------------------------------------------------- 
>
> # Auto-generated from:
> # 
> <http://stakeholders.ofcom.org.uk/broadcasting/guidance/tech-guidance/transmitter-frequency/>
> #---------------------------------------------------------------------------------------------- 
>
> # location and provider: UK, Winter Hill
> # date (yyyy-mm-dd)    : 2013-09-18
> #
> # T[2] <freq> <bw> <fec_hi> <fec_lo> <mod> <tm> <guard> <hi> 
> [<plp_id>] [# comment]
> #---------------------------------------------------------------------------------------------- 
>
> #T  706000000 8MHz 2/3 NONE QAM64  8k  1/32  NONE   # PSB1
> #T  778000000 8MHz 2/3 NONE QAM64  8k  1/32  NONE   # PSB2
> T2 737833000 8MHz 2/3 NONE QAM256 32k 1/128 NONE 0 # PSB3
> #T  770000000 8MHz 3/4 NONE QAM64  8k  1/32  NONE   # COM4
> #T  698000000 8MHz 3/4 NONE QAM64  8k  1/32  NONE   # COM5
> #T  746000000 8MHz 3/4 NONE QAM64  8k  1/32  NONE   # COM6
>
>
> Note I have commented out everything except for the T2 mux for 
> testing. According to http://www.ukfree.tv/txdetail.php?a=SD660144 
> that data is still correct.
>
> Can anyone suggest what has gone wrong?
>
> Ian.
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You appear to have more than one DVB card/adapter as the 290e is
  '/dev/dvb/adapter3/frontend0'.

The numbering normally starts with adapter0.

Did you setup a new video source for the 290e ?

What kernel are you using, post output from uname -a

Can you also post output from dmesg | grep -i DVB

Mike