[linux-audio-user] Two soundcards with JACK

[Lee Revell]

On Wed, 2006-08-02 at 00:17 +0200, Johan Mattsson wrote:
> Hi,
> 
> I want to use JACK with two soundcards simultaneously, there is no need 
> to sync them so I thought it might be possible. I copied the example 
> multi .asoundrc from the ALSA documentation and started JACK. It seems 
> to work; all ports show up but when I connect anything JACK exits 
> immediately with some thing like: "Driver NT could not run drive cycle 
> jack main caught signal 12".
> 
> Since I do not have internet connection i my studio it is a little 
> complicated to provide more info, but there are two soundcards one 
> Vortex something that uses au8820 and one Cirrus something card.
> 
> Any idea what causes this?

This cannot work.  The .asoundrc you used was probably for a
configuration with two identical cards.

You should run one jackd for each card and use jack_diplomat to connect
them.

Lee