Date: Sun, 21 Nov 2004 15:44:14 +0100
From: Florian Schmidt <mista.tapas@gmx.net>
To: Ingo Molnar <mingo@elte.hu>
Cc: Lee Revell <rlrevell@joe-job.com>, linux-kernel@vger.kernel.org,
       Rui Nuno Capela <rncbc@rncbc.org>, Mark_H_Johnson@Raytheon.com,
       "K.R. Foley" <kr@cybsft.com>, Bill Huey <bhuey@lnxw.com>,
       Adam Heath <doogie@debian.org>, Thomas Gleixner <tglx@linutronix.de>,
       Michal Schmidt <xschmi00@stud.feec.vutbr.cz>,
       Fernando Pablo Lopez-Lezcano <nando@ccrma.Stanford.EDU>,
       Karsten Wiese <annabellesgarden@yahoo.de>,
       Gunther Persoons <gunther_persoons@spymac.com>, emann@mrv.com,
       Shane Shrybman <shrybman@aei.ca>, Amit Shah <amit.shah@codito.com>
Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.29-0
Message-ID: <20041121154414.261f2002@mango.fruits.de>
In-Reply-To: <20041121151845.GA25720@elte.hu>
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On Sun, 21 Nov 2004 16:18:45 +0100
Ingo Molnar <mingo@elte.hu> wrote:

> 
> * Ingo Molnar <mingo@elte.hu> wrote:
> 
> > i am too seeing constant, periodic xruns coming every 100 millisecs or
> > so. Simply running current Jack CVS via 'jackd -R -p1024 -d alsa'
> > gives tons of periodic xruns. Are you seeing the same?
> 
> but i'm seeing the same with !PREEMPT too - perhaps something broke in
> ALSA?

possible. Especially as i see those large xruns with jackd, but nothing
comparable with rtc_wakeup. OTOH, just PREEMPT seems to work very fine.

I only tested PREEMPT and PREEMPT_RT yet. 

Ah, i use jackd 0.99 from a debian package btw..

flo
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