[mythtv-users] IVTV recordings glitch every 302 seconds

[Robin Gilks]

> Yup, you have heard the term "it happens every 5 minutes" and it does -
> plus a couple of seconds!!
>
> I've checked on 2 frontends and with mplayer and its definitely the
> recording and not the playback. The glitch takes the form of a pause or
> hesitation at intervals of about 302 seonds from the start of the
> recording (i.e. its not some other process running every 5 minutes). Each
> glitch lasts about a second.
>
> As far as I can see my DVB sat card does not suffer this and its running
> about the same bit rate (at least the files are about the same size). No
> overruns appearing in the logs from the ivtv driver although I've not
> tried logging the backend yet.
>
> I'm running 0.10.3 ivtv on a 2.6.20 kernel on Gentoo stable (I know that
> the stable branch has only 0.10.1 but I've tried that as well!!). Mythtv
> is trunk SVN r13823.
>
> Any clues or any similarities anyone?
>

I have found one clue - I've turned off EIT on the DVB-S card (which I was
using to get schedule info on the radio channels) and the glitches have
gone away.

When my current recordings finish I'll try turning EIT back on but with
the card allocated all the time instead of on demand.


-- 
Robin Gilks