[linux-audio-user] jack xruns on SUSE 9.3 with Edirol UA25 card

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Ubuntu had 2.6.10 something with realtime-lsm module.

On Suse I haven't recompiled the kernel. Just the realtime module, with
the patched kernel.

It's the one shipped with Suse 9.3 (2.6.11.4-21.7-default).

I forgot to mention that before than that I also tried with a custom
compiled vanilla 2.4.11.7 with rt-lsm and realtime-preempt patches and
got loads of xruns.

Anyway yesterday I pushed jack settings way to 5ms latency (p128 -n3
with 24bits, 44.100k, 2 ins, 2 outs).
Is it possible to achieve such low latency for USB 1.1 card?

I doubt I had two instances of jack running, changed settings on the
frontmost qjackctl, and listened to the output from the first instance.
I disconnected and reconnected Muse and Zyn various times to change the
buffer size. And I also noticed the degradation of sound when pushing
jack settings so too far.

I haven't had any xrun. Even when connecting apps.

c.

Lee Revell wrote:
>On Thu, 2005-07-28 at 01:18 +0200, Cesare Marilungo wrote:
>  
>>Hi,
>>I'm going crazy!!!
>>
>>Last night, after some months playing with Ubuntu, I installed SUSE 9.3
>>on my amd64 with an Edirol UA-25. I installed the kernel source, patched
>>it with rt-lsm.patch, built the modules, installed ect.
>>Added:
>>    
>
>Were the kernel versions different between the two systems?
>
>USB audio is known to have some problems with older 2.6 kernels.
>
>Lee
>
>
>
>  


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