[mythtv-users] card needs recording to stop/restart to correctly tune

[John Pilkington]

On 26/08/15 15:05, zag FP wrote:
> Hi,
>
> I'm on Mythbuntu 14.04 64bit, mythtv 0.27, with a WinTV-NOVA-T-Stick.
> It used to work flawlessly but it is now giving me an issue.
>
> When a recording starts, the card hangs with the message "tuning" and
> never actually tunes.
> I found out that if I stop the recording and restart it, it tunes and
> records correctly.
> Also, if the card is "tuning" and I start a second recording on the same
> mux, the latter records fine, whereas the former stil hangs in a
> "tuning" state.
>
> Once it starts recording correctly, all other schedules are recorded
> correctly.
> If I restart the PC or use mythwelcome to start the PC and record, it
> hangs in the "tuning" state and fails the recording. Again, I need to
> manually start another recording to let the card tune.
>
> I've changed the DVB tuning delay from the initial 0 (used to work,
> though!) to 500ms, but no changes.
> Signal timeout is set to 7000ms, tuning timeout is set to 10000ms.
>
> Any suggestions?
>
> Thanks!

I've copied this from an earlier thread.  If you can access the logs it 
might help:

> You might try issuing 'mythbackend --setverbose none,channel' (eg from a console with the backend already running) and see what the backend log says when you try to tune a channel.
>
> Afterwards, 'mythbackend --setverbose general'

And I noticed recently that my *buntu Myth-master box's signal monitor 
was trying a succession of PTM (IIRC) settings during tuning before 
finding one that worked. Don't know if that's normal.  pctv-290e

John P