[mythtv-users] watching liveTV is a game of chance (myth 0.19)

[Adam Egger]

On 2/27/06, Jörg Dreßler <joschi79 at web.de> wrote:
> Hello out there,
> since mythTV 0.19 I've several problems concering the cooperation of
> mythTV and my Nebula DigiTV PCI. First I was getting IRQ-failures and
> IRQ lock-ups, what had not happened with 0.18. After patching the bt878
> module I've met another annoying problem. When trying to access the TV
> card, it is sporadically inaccessible (~60% of all attempts), neither by
> mythTV nor kaffeine or anything else. That results in a failure message
> of mythfrontend "There should have been a by now. You can switch the
> channel or select another input" (I hope you know this message - I only
> get it in german) After that I might restart mythbackend or mostly it's
> enough to retrieve the recording schedule or the EPG and then retry.
> When recording, mythbackend is not even generating a file or it has 0 byte.
> I somehow have the feeling that these two problems are connected in a
> way and that the EPG/EIT-scanner has something to do with it. I'm quite
> sure, that the EIT-scanner was triggering the IRQ lock-ups. A guess:
> Perhaps the card is still generating the IRQ error but the patched
> driver does not report it any more and is therefore not locked up. Or it
> is simply a resource access problem?! But that's all mere guessing...

You could try the 0.19-fixes branch. There are some of the issues fixed.

Adam