[mythtv-users] Wrong PMT

[Frank Phillips]

On Mon, Jul 27, 2015 at 4:39 AM, Tim Draper <veehexx at zoho.com> wrote:

>
>
> ---- On Mon, 27 Jul 2015 09:42:40 +0100 Stuart Auchterlonie<
> stuarta at squashedfrog.net> wrote ----
>  > On 26/07/15 18:34, Tim Draper wrote:
>  > > I keep getting the following message in the FE logs which i think
> might be the problem to some random and intermittent livetv playback issues.
>  > >
>  > > DTVSigMon[3](/dev/dvb/adapter2/frontend0): Wrong PMT; pmt->pn(6033)
> desired(6031)
>  > >
>  > > the /dev/dvd/adapterX... changes depending which tuner livetv gets
> assigned to, so am confident it's livetv related.
>  > > A quick search shows i need to kill all tuner related info,
> explicitly the transport level stuff which i've done - I used 'delete all
> tuners on system' in mythtv-setup, and also removed all video sources.
> Re-adding and re-scanning all data has not removed the wrong PMT errors
> however.
>  > >
>  > > I'm using the TBS6981 with the OSS kernel drivers.
>  > >
>  > > Is there anything more i need to do or missed to get rid of these
> errors? It'd be good to get rid of the errors to hopefully fix the livetv
> issue i'm getting.
>  > >
>  >
>  > Do you get any failed tunings or recordings as a result?
>  >
>  > If not, then what you probably have is a card that takes a while
>  > to finish tuning. I wouldn't worry about it if this is the case :)
>  >
>  >
>  > Regards
>  > Stuart
>  >
>
> I do get the odd failed livetv tuning. the FE will claim it's playing in
> the 'info' OSD and the total play time will increase, but act like it's
> paused with a completely black screen when it initially enters livetv and
> the current position time stuck at 0:00.
> thats basically what i'm trying to fix, so i'm looking at each Error or
> Warning message as they appear in the FE log. The DTVSigMon Wrong PMT
> message shows more often than the livetv playback issue, but since both
> occur at initial LiveTV tuning, i figured this could be related.
>
>
Do you suspend the frontend by chance? I get something similar after
resuming and have to kill/restart mythfrontend. I guess the db connection
goes idle and drops or its trying to use a connection that doesn't exist at
both ends.
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