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Date: Tue, 7 Oct 2008 11:18:32 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Roland Smith <rsmith@xs4all.nl>
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Cc: freebsd-questions@freebsd.org
Subject: Re: TRUE realtime priority
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> Well, basically you are the only one who can answer that. And that's not
> a paradox or an attempt at humor. You should investigate. Maybe
> interrupts aren't processed fast enough (hardware sharing an
> interrupt?), or memory or kernel resources are low.

well last night i tested it with SCHED_4BSD instead of sched_ule, reduced 
quantum to 20000 from 100000 and for now - no voice chopping under high 
load. but i will test it more.