On Wed, 2006-04-05 at 09:17 +0000, Ralf Philipp wrote: 
> I try to get a tascam us122 to work with jackd on a mini mac. Sound with alsa
> is O.K. and works fine on the us122. I tried a lot of different settings and
> googled a lot, but nothing helps. I'm not sure if it's a problem of
> alsa. Here is some output of jackd:

Looks like it should work with the right options...
Could you also try the commandline from
http://www.wlug.org.nz/TascamAudioInterface ?

> 13:22:28.759 /usr/bin/jackd -v -R -dalsa -r48000 -p1024 -n2 -D -Chw:1 -Phw:1
> -i2 -o2

That looks like a qjackctl generated commandline. Try not specifying too
much (e.g. split capture and playback devices pointing to the same).

You could try with an easier commandline like:

jackd -dalsa -dhw:1 -r48000 -p1024 -n2

And try varying the period size (-p) and num-of-periods-per-buffer (-n).

> creating alsa driver ... hw:1|hw:1|1024|2|48000|2|2|nomon|swmeter|-|32bit
> control device hw:1
> the playback device "hw:1" is already in use. Please stop the application
>  using it and run JACK again
> cannot load driver module alsa

That might be due to the split devices thingy. Or actually due to some other 
program using it.
Play with lsof | grep snd or fuser.

Thanks.

        Robert.


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