[mythtv-users] MythWeb says recording LiveTV - but no FE on

Nick Rout nick.rout at gmail.com
Fri Apr 9 21:24:45 UTC 2010

On Sat, Apr 10, 2010 at 5:41 AM, Michael T. Dean
<mtdean at thirdcontact.com> wrote:
> On 04/09/2010 01:09 PM, Mike Perkins wrote:
>> Brad Fuller wrote:
>>> I googled this, couldn't find an answer.
>>> MythWeb>>Backend Status says:
>>> Encoder 7 is local on killtivo and is watching Live TV 'Rachael Ray'
>>> on KPIX-DT. This recording is scheduled to end at 10:00 AM.
>>> But, there is no FE watching, in fact there is no FE even on. Is there
>>> a way I can trace where the FE would be or who asked the BE to record?
>>> Doesn't seem to be a bogus display as I saw the recording program
>>> change at the hour.
>> This can happen if a front-end dies. I mean dies in the technical sense,
>> the user might just think that (s)he switched it off properly. In this case,
>> the back end will just keep recording program after program onto disk - and
>> then expiring them shortly afterwards.
> Exactly.
>> I had this happen to me late one evening, and I didn't find out about it
>> until I did my standard system checks late the following morning. The last
>> program shown recorded by mythweb was 11 hours long and some humongous
>> number of gigabytes! The selected channel closed down overnight and the damn
>> thing just kept recording.
>> I'm a little more careful now. Your Family May Vary.
> While I'm sure something was unusual about the recordings you got, there's
> no (known) possible way that Live TV would show as an 11-hr recording.
>  First, Live TV recordings are always broken on program change, so the
> largest recording you could possibly have would be the length of the longest
> show in your listings (on that channel during the period in which you were
> recording).  And, as an added safety check, in the event you really have a
> very long program listed in your guide data (due to garbage guide data or
> really long shows like that one 12-hour race or whatever), the recordings
> will be broken into 8-hour hunks max.

In my listings one channel closes down from 11.30 until2.00 pm the
following day. The "listing" for that period LOOKS like a programme,
but ain't:

"Fri, Apr 9, 11:30 PM to 02:00 PM (870 mins)

Maori Television - the national indigenous channel of Aotearoa. You
will see New Zealand life, New Zealand stories and New Zealand people.
Go to www.maoritelevision.com for more information. "

Something like that would produce the the result seen.

> Further, if you have no listings, the Live TV recordings are always broken
> at the top-of-the and half-past-the hour (which means without listings, the
> maximum length of a LiveTV recording is 30mins).
> So I'm guessing you had a channel whose listings showed "TBA" or something
> as a large (8+ hr) block overnight and got at most an 8hr recording.
> I accidentally turned on Live TV for about 20hrs last week and just ended up
> with a bunch of recordings of shows I didn't want in the LiveTV recording
> group where they expired a day later.
> If that's not what happened, I'd love for you to find out why so we can fix
> the corner case that no one has ever considered before.
> All this assumes you're using MythTV 0.19 or higher.  :)
> Mike
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