Re: [linux-audio-user] Kernel 2.6.x latency

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Subject: Re: [linux-audio-user] Kernel 2.6.x latency
From: Frank Barknecht (fbar_AT_footils.org)
Date: Wed Mar 10 2004 - 19:18:51 EET

Hallo,
Sampo Savolainen hat gesagt: // Sampo Savolainen wrote:

> I'm trying to get jack & ardour working with the 2.6.x kernels. Do you
> have any hints/tips? I've now tried:
> debian 2.6.2
> debian 2.6.3
> debian 2.6.3 modified with LSM support + realtime module
> standard 2.6.4-rc2-mm1 (couldn't get realtime module working)
> standard 2.6.3-mm4 LSM support + realtime module (kinda working..)
>
> None of these have provided me with sufficient latency. Jack keeps
> throwing Ardour out for stupid reasons like closing the mixer window.
>
> (with realtime module, I mean http://www.joq.us/realtime/)
>
> Is there some magic trick I've forgotten to do, or I haven't heard of? I
> have DMA enabled on my harddrive, and this same system runs like dream
> with 2.4 kernels.

Just to make sure: you did enable kernel preemption, didn't you?

ciao 

-- 
 Frank Barknecht                               _ ______footils.org__

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