[linux-audio-user] Two soundcards with JACK

[Johan Mattsson]

Lee Revell wrote:
> 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.
>   
Thank you , I did not know this.
> You should run one jackd for each card and use jack_diplomat to connect
> them.
>
> Lee
>
>   
Having several instances of jack seems like the solve, I am not 
interested in sharing audio between the two cards.

What is jack_diplomat? I found nothing about it on the jack website.

Will qjackctl work with this?

Johan