Subject: Re: [LAU] linux-rt in Ubuntu Jaunty

From: Giso Grimm <gg3137@...> · Date: Friday, October 2, 2009 - 7:00 am

Josh Lawrence wrote:

quoted text> Hello everyone,

>

> I remember some time back there were complaints on this list about the

> linux-rt kernel in Ubuntu Jaunty not being up-to-par for audio work.

> What were some of those complaints, and has the issue been resolved?

> 
It does not work for me: 2.6.28-8-rt on a hyper threading PC causes high

load (IOwait) on one (virtual) CPU, and the overall CPU performance is

about 30% of the standard kernel. Real time behaviour is not at all

better than the standard kernel (more xruns even with low CPU load).
Maybe this is specific to my PC (what I doubt, it is the same for two

different PCs which work fine otherwise).
-- Giso

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