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

[Paul Gillingham]

2009/3/31 Paul Gillingham <paulgillingham at gmail.com>

> 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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> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
>
> 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.
>

Well so far my tuners have remained correctly tuned (This is two nights
since I did an 'existing transport only' scan rather than a full scan). So
with luck the problem is solved. I will report back if this changes...

Thanks for the help.
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