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Date: Wed, 17 Sep 2008 22:28:33 +0100
From: Sitsofe Wheeler <sitsofe@yahoo.com>
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CC: Ingo Molnar <mingo@elte.hu>, Arjan van de Ven <arjan@infradead.org>
Subject: Re: How how latent should non-preemptive scheduling be?
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Sitsofe Wheeler wrote:
> I have an EeePC 900 (Intel Celeron 900Mhz) and it seems to be skipping 
> while playing sound through various desktop apps with a 2.6.27rc6 
> kernel. It is running off an SD card which really shows up slow writes 
> but the sound is seemingly skipping even when ext3 is not being used. 
> When look at latencytop I often see results similar to this:

One other small datapoint. When the skipping starts to occur regularly 
it seems to be exactly 30 seconds apart. ALSA doesn't report any xruns 
either...