[mythtv-users] DVB-T tuner appears to de-tune itself.

[Paul Gillingham]

2009/3/31 Mike Perkins <mikep at randomtraveller.org.uk>:
> Paul Gillingham wrote:
>>
>> Thanks,
>>
>> That makes sense. But what's to stop all this careful configuration
>> being lost again overnight when the system re-scans? (if indeed that
>> is what it is doing). I may be wrong about myth updating the channel
>> data overnight, but that's the only thing I can think of which
>> explains why my perfect reception is being lost, re setup and then
>> lost again.
>>
>> Anyway, I have just tried deleting all channels and the doing an
>> existing transport scan (rather than a full scan). This just scanned 6
>> transports (which is correct as I think there are 6 multiplexes in the
>> UK?), I believe these are good transports for me as I've already done
>> my unplug the amp/full scan trick today. Anyway the scan returned all
>> the channels including ITV. etc. so that's good.
>>
>> I suppose what I have to do now is hope that Myth doesn't alter this
>> overnight. (i.e. if it does do any channel editing it will remember
>> that I only did a restricted scan and won't try looking for signals
>> from different transports)
>>
> Yup, I think you've got it. I've never had overnight problems of that sort.
> Myth should only do a scan when you ask it to. If you think myth is
> rescanning, that implies to me that your database is getting reversed
> somehow. You don't happen to have a rogue overnight backup script which is
> restoring instead, do you?
>
> Another possibility is that the scan updates aren't sticking, but as far as
> I know, the back end reads tuner info only at startup. This would imply that
> your back end is restarting every night, as well as some kind of database
> problem.
>
> --
>
> Mike Perkins
>
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Well my backend is restarting every night. (The whole machine is
actually.) I will see what happens tonight and get back to the list
tomorrow.