[linux-audio-user] 2.5.x kernel major latency improvements

Joern Nettingsmeier nettings at folkwang-hochschule.de
Tue Nov 26 15:05:00 EST 2002


Brian Redfern wrote:
> 
> Well, in the course of hunting down the causes of my latency woes I've
> found that when I use the 2.5 kernel with alsa compiled into the kernel
> directly and wth the pre-emptive option it makes a huge, huge difference,
> finally I'm getting actual userspace low lantency, I don't have to run the
> audio app as root. With 2.4 I could patch it with the low latency, but
> would still need to run the app as root. Without patching for low latency
> I was getting ugly clicks and pops even when running the app as root. Even
> under Gnome with Redhat 8.0, the xruns have dissapeared using the 2.5.x
> kernel.
> 
> http://www.brianredfern.com

which 2.5 are you using ?
rusty russell's module stunt broke 2.5.49 completely for me :(

it's called a feature freeze 'cause it makes you shiver.

-- 
Jörn Nettingsmeier     
Kurfürstenstr 49, 45138 Essen, Germany      
http://spunk.dnsalias.org (my server)
http://www.linuxdj.com/audio/lad/ (Linux Audio Developers)



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