MythTV backend - any hope to get my PVR-250 working?

Saul A Peebsen jaglover at
Sat Apr 16 12:59:42 UTC 2011

On Fri, 15 Apr 2011 14:38:50 +0200
Bernhard Froehlich <decke at> wrote:

> On Fri, 15 Apr 2011 06:55:22 -0500, Saul A Peebsen wrote:
> > I have an always on FreeBSD box which I thought would also serve as
> > MythTV backend. After looking at I
> > figured it's a piece of cake and bought a PVR-250. 
> > Now I'm confused because MythTV does not find the card.
> > 
> > After installing multimedia/pvr250 device node cxm0 is created, but
> > that's the only one. I can cat the stream out of it and watch the
> > default channel but that's it.
> > 
> > The card is:
> > Multimedia video controller: Internext Compression Inc iTVC16
> > (CX23416) MPEG-2 Encoder (rev 01)
> > 
> > Is there any hope it would work after some fiddling or I just better
> > ditch the whole idea?
> Don't know exactly about PVR-250 cards but pvrxxx is currently a
> problem and known to fail since MythTV 0.22. I've tried to narrow down
> the problem with Torfinn Ingolfsen for pvrxxx but could not find a
> solution. Can you please also put the following patch into
> /usr/ports/multimedia/mythtv/files/ and reinstall mythtv. After that
> try to configure the card and send me the mythbackend.log file please.

Well, did that. After trying configure and specifying
manually /dev/cxm0 ...

Does not look very promising, methinks?
Let me ask, is multimedia/pvr250 supposed to create just one node [cxm]
or there is supposed to be more?

Cheers, Saul

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