[LAU] Linux-audio-user Digest, Vol 23, Issue 32

[Kjetil S. Matheussen]

On Mon, 26 Jan 2009, Andras Simon wrote:

>> Oh, and you should set rtrprio much higher. 100 should
>> be enough. :-)
>> You should also add the line
>>
>> @jackuser - nice -20
>
> I will; but these couldn't be the source of the problem, could they?
>
Don't know how things work when rtprio is only 20, whether you will
only get 20 or no realtime at ally. Anyhow, it shouldn't cause this
problem.


>> Normally, the realtime user is called "audio"...?
>> I don't know if it would make any problems though
>> but maybe.
>
> Fedora 10 x86_64, original (no RT) kernel.
>
....
>> Also, does it help if you check the "No Memory Lock"
>> option in qjackctl?
>
> No, it doesn't.
>

Okay, this leads me to believe the source of the problem is that
atomic lifo/fifo queuse might not work on x86_64. Can you
try this older version instead? It uses plain old ringbuffers.

http://archive.notam02.no/arkiv/src/jack_capture-0.9.23.tar.gz