[mythtv] Multiple Tuner Problem in CVS

[Ben Bucksch]

Jon Nierenburg wrote:

>MythTV would never switch cards when I changed channels from one card to the other (IE. from channel A80 to B2).  The first card select would stay selected and I could never get to the channels on the other card.
>
As I understood him, Isaac said this is impossible at the moment. You 
cannot have 2 cards with different channels.

>I tried  Ben Bucksch's preset patch and an updated CVS pull, but now I can't  view the PVR card at all :( I get the following errors on the myth backend: Changing from None to WatchingLiveTV
>Backend stuffed up in RequestRingBufferBlock
>error reading from: /dev/video0
>read: Input/output error
>
I don't see how my patch could cause that (with a proper database setup, 
i.e. the tuning channums in "channum_real"). Esp. when the non-PVR card 
works.

>P.S. Ben: Thanks for the previous advice and the patch....
>
I'm glad to see that it was of some use for somebody :-)