[LAU] ubuntu maverick + jack

[Jeremy Jongepier]

On 09/14/2010 07:34 AM, maex at firstfloor.org wrote:
> 
> hello jeremy
> 
> 
>>> but, ubuntu changed this. its seems jack on maverick isnt able to handle a 
>>> second sounddevice.
>>
>> Ubuntu changed nothing, it should work.
> 
> yes. i was talking about the switch from debian to ubuntu, sorry about 
> the unclear words. 
> 

I reread the phrase, also some misinterpretation from my side.

> 
>>
>>> at least the ua-25 isnt supportet at all and the jackd response with an 
>>> error message:
>>
>> The snd-usb-audio kernel module should still support this device 
>> otherwise it would be a major regression.
>>
> 
> snd-usb-audio works well.
> simply alsa has sometroubles, for instance, also alsamixer doesnt work
> with the external soundcard. however.
> 

snd-usb-audio is part of ALSA. And the UA-25(EX) cannot be controlled by
alsamixer since it doesn't have any software controls:
http://alsa.opensrc.org/index.php/Edirol_UA-25EX#Custom_softvol_PCM

Best,

Jeremy