[mythtvnz] DVB-S Reception issue

[Steven Ellis]

On Tue, June 21, 2011 4:36 pm, David Shepherd wrote:
>> Ok so I've just moved house and until we get a new aerial fitted we
>> don't
>> have DVB-T but there is an old Sky dish so I thought I'd make do until
>> the
>> Toroidal is mounted,
>>
>> Now my DVB-S had been playing up a bit at the old house so I thought the
>> LNB might have been on the way out, or the SkyStar 2 card.
>>
>> At the new house similar problems so I swapped the card for a known
>> working one but still the same issues.
>>
>> If I tune to the Sky broadcast of TV2 no issues, Signal lock and I can
>> watch the show. If I tune to any freeview channels I get lock for 3-5
>> seconds and then it changes to TV One. That locks for 3-5 seconds and
>> then
>> it re-tunes back to TV One.
>>
>> I've tried tweaking the skew etc of the dish, and a vanilla DVB-S STB
>> will
>> tune in, but MythTV won't lock.
>>
>> Anyone else ever seen this?
>>
>> Steve
>>
>>
>> --------------------------------------------
>> Steven Ellis - Technical Director
>> OpenMedia Limited - The Home of myPVR
>> email   - steven at openmedia.co.nz
>> website - http://www.openmedia.co.nz
>>
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>>
> Hi Steve
>
> I've got something similar going on but a bit different from you.  I
> noticed that after upgrading to 0.24.1 (via debian-multimedia.org), Live
> TV on my combined FE/BE would go into an endless cycle of signal lock then
> tuning - didn't matter which channel I tried to tune to.  If I bring up
> the playback menu and then escape out of it, it will stay locked the
> channel but if I try to change channels it goes back into the loop.
>
> However I can record shows off any channel via a scheduled recording, and
> since I don't use Live TV much I've not bothered to try and isolate the
> problem.  The other odd thing is that I can watch LiveTV and change
> channels from a remote frontend no problem.
>
> I did a bit of digging on the Dev mailing list and there are a couple of
> issues (supposedly fixed) related to thread deadlocks in the backend that
> give similar symptoms to mine.
>
> Don't know if this helps at all sorry.

Interesting that LiveTV works to the Sky Transponder but not the freeview
ones.

Just checked the logs for last night and our shows recorded. I can't check
them for errors as i'm in OZ at the moment but I'll take a look in the
morning.

Steve


--------------------------------------------
Steven Ellis - Technical Director
OpenMedia Limited - The Home of myPVR
email   - steven at openmedia.co.nz
website - http://www.openmedia.co.nz