[mythtv-users] Dual tuner capture works, but not in Myth

[Eduardo]

I never had two cards, but I had a lot of problems with IVTV, turns out
there are some motherboards with VIA chipsets that don't work well with
IVTV.

It's in their FAQ, but not much mention is made to it, and it doesn't
quote specific errors.

Nate Thompson said:
> I've been working through some bugs with ivtv to get both of my PVR-250
> MCE
> cards (one revision one, the other a revision two) to work in MythTV. I
> can
> do a 'cat /dev/video# > /tmp/video#.mpg' (# = 0 or 1) and capture audio
> and
> video. However, when I try to use the second tuner in MythTV, either with
> PiP functions, or watching a live broadcast while another is recording, I
> get a couple errors. I get a couple messages saying 'taking too long to be
> allowed to read..' followed by 'waited 2 seconds for data to become
> available, waiting again.' and finally 'Couldn't read file:
> rbuf://192.168.1.102:6543/video/buffer/ringbuf2.nuv'. After that, MythTV
> quits responding to keypresses and I have to kill the frontend process.
> Looking at the dmesg output, there are a bunch of 'ivtv: Timeout waiting
> for
> data!' errors. Those also show up in /var/logs/messages.
>
> I am using a patched version of ivtv 0.1.10pre2 (ck05 available here -
> http://kmos.org/~ckennedy/ivtv/ivtv-0.1.10-pre2-ck05.tgz). I was
> originally
> using 0.1.9 with one tuner card without problems, but had to upgrade to
> 0.1.10 because the older version would not correctly identify my revision
> two PVR-250. Any insight into this would be apprechiated. This question
> might be better asked on the ivtv mailing list but I thought I'd see if
> someone here has had a similar experience that they were able to work
> through.
>
> Nate Thompson
>
>
>
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