[mythtv-users] one recording keeps failing

[Vincent McIntyre]

On Tue, Sep 02, 2014 at 12:57:36AM +1000, blind Pete wrote:
> On Tue, 02 Sep 2014 00:18:49 +1000
> Michael Watson <michael at thewatsonfamily.id.au> wrote:
> 
> > On 7/08/2014 11:07 PM, Vincent McIntyre wrote:
> > > Greetings mythizens,
> > >
> > > I have a strange issue that I wanted to report in case it is a bug.
> > > The system is mythbuntu 12.04 LTS with 0.27-fixes, all up to date.
> > > There is one tuner card with two tuners. myth is configured with
> > > one additional virtual tuner per physical tuner, so 'Tuner Status'
> > > lists four tuners.
> > >
> > > The symptom is that one particular program appears to start
> > > recording just fine but at the end of the scheduled recording time
> > > is marked as failed. I get a zero-length file displayed in the list
> > > of recordings. The show in question is a news broadcast, at the
> > > same time each day (1900-1935). More mysteriously, the recording
> > > sometimes 'works'.
>
> > Reception issue?  One tuner is possibly "better" than the other.
> [snip]
> 
> On a single dual tuner card?  It is possible that one is broken, or
> that the signal splitter is uneven.  If the antenna connections are
> swapped does the unreliable tuner move?  
> 

The card has only one antenna connection.
I had the antenna tested and a couple of months ago and the masthead
amplifier was replaced and a new power injector installed. The signal
strength (according to a proper DTV signal analyser) is decent but
not 'perfect'.

Vince