[mythtv-users] "Wrong PMT" Is this me, or the broadcaster?
Michael T. Dean
mtdean at thirdcontact.com
Mon Jan 31 03:40:55 UTC 2011
On 01/30/2011 04:47 PM, Howard Lowndes wrote:
> I have had a problem arise in the past 3-4 days with one of the
> multiplexers giving "(LMs) Partial Lock" on all of the channels from that
> multiplex. As I have made no changes to Mythtv recently I suspect that it
> is a problem with this one broadcaster.
>
> My location is regional Australia and we have 5 free-to-air broadcasters
> and these are identically from a choice of 2 towers, one operating in the
> VHF band and the other in the UHF band.
>
> This particular mux has 3 programs which are identified:
> Channel 8 - WIN - sectionid 1
> Channel 80 - GEM - sectionid 10
> Channel 88 - GO! - sectionid 2
>
> I have deleted these channels and rescanned the mux successfully using
> both transitters and the data in the MySQL database is the same as
> previous, but when I try to tune any of these 3 channels I get 2 messages
> each time in the backend log of the form:
> Wrong PMT: pmt->pn(y) preferred (x)
> Wrong PMT: pmt->pn(z) preferred (x)
> where x matches the correct sectionid above but y and z match the other 2
> sectionids above.
>
> Using an independent DVB-T receiver (not Mythtv) I can receive these
> channels with no problems.
>
> I suspect that the broadcaster has changed something and whatever it is is
> causing Mythtv to barf.
>
> I guess what I really need to know is how to overcome the problem.
I'd guess (and it's just a guess) it's time for a rescan.
Mike
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