[LAU] Trouble getting Tascam US-122 to run

[J. Liles]

On Fri, May 24, 2013 at 7:52 AM, Rui Nuno Capela <rncbc at rncbc.org> wrote:

> On 05/19/2013 03:58 AM, Rusty Perez wrote:
>
>> Hi folks,
>> for everyone but Julien, I'm the owner of the system in question.
>> It may be useful to note that this is the original us122, NOT the
>> us122mkII.
>> Julien has updated some system settings, I have rebooted, unplugged
>> and replugged the interface, but no joy.
>> I have also made sure that the interface does respond when plugged in
>> to my windows machine, so I'm reasonably sure it works as it should.
>> Thanks!
>> Rusty
>>
>>
>>
> ouch!
>
> i'm a (not so happy anymore) owner of a us224 which does all the same path
> as your us122,,.
>
> i am sloppy and the systems i use this lovely piece of h/w is not what
> you'd call the latest and greatest
>
> so (my) the state of things at the time of this writing, is the following:
>
> - on 3.4.x-rt it still works but only like a plain usb1 device (-r48000
> -p128 -n3); good old and awesome, special fast and low-latency rawusb/hwdep
> mode of operation is dead. or it seems so
>
> - on 3.8.x-rt it doesn't work at all; always nagging the device's being
> used by something else (and no, it's not pulseaudio:); and if you dare to
> use jack1 then, well, it just crashes the whole show (kernel oops)
>
> only tested with preempt_rt though (thus the -rt suffix above)...
>
> i know this does not help in anything but at least you're not alone :)
>
> cheers
>


This is a known issue with the 3.8 kernel. It's breaks not only tascam but
lots of other USB audio devices as well. Register your discontent with your
distro, I guess.
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