From owner-freebsd-questions@FreeBSD.ORG Sat Aug 27 18:38:04 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0E0F016A41F for ; Sat, 27 Aug 2005 18:38:04 +0000 (GMT) (envelope-from mark@mkproductions.org) Received: from ylpvm29.prodigy.net (ylpvm29-ext.prodigy.net [207.115.57.60]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8B94E43D46 for ; Sat, 27 Aug 2005 18:38:03 +0000 (GMT) (envelope-from mark@mkproductions.org) Received: from pimout3-ext.prodigy.net (pimout3-int.prodigy.net [207.115.4.218]) by ylpvm29.prodigy.net (8.12.10 outbound/8.12.10) with ESMTP id j7RIbrbS025371 for ; Sat, 27 Aug 2005 14:37:54 -0400 X-ORBL: [66.139.109.225] Received: from [192.168.1.25] (ppp-66-139-109-225.dsl.stlsmo.swbell.net [66.139.109.225]) by pimout3-ext.prodigy.net (8.13.4 outbound domainkey aix/8.13.4) with ESMTP id j7RIc1Wl071802; Sat, 27 Aug 2005 14:38:01 -0400 Message-ID: <4310B308.1050202@mkproductions.org> Date: Sat, 27 Aug 2005 13:38:00 -0500 From: Mark Kane User-Agent: Mozilla Thunderbird 1.0.6 (X11/20050816) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Ariff Abdullah References: <430D3823.9070301@mkproductions.org> <20050825160909.GB10134@slackbox.xs4all.nl> <430DF015.5000203@mkproductions.org> <20050825173758.GA10790@slackbox.xs4all.nl> <430E0461.3030101@mkproductions.org> <20050826174002.GA16044@xor.obsecurity.org> <430F5C0B.3@mkproductions.org> <20050827030750.6243acd9.skywizard@MyBSD.org.my> <430F6AB1.2040306@mkproductions.org> <20050827043808.03cbe4dd.skywizard@MyBSD.org.my> <43109A36.1050209@mkproductions.org> In-Reply-To: <43109A36.1050209@mkproductions.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: Performance Issues with AMD64 3000+, 1.5GB RAM, FreeBSD 5.4-RELEASE X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Aug 2005 18:38:04 -0000 Mark Kane wrote: > Ariff Abdullah wrote: > >> These are my suggestions: >> 1) enable 'options PREEMPTION'. This is a MUST. >> 2) use SCHED_ULE instead of SCHED_4BSD. ULE is pretty stable on me, >> but I can't guarantee (especially combining with PREEMPTION). >> It doesn't hurt to give it a try. >> 3) Apply these patches: >> >> http://staff.mybsd.org.my/skywizard/FreeBSD/sound/jroberson_flushbuf_RELENG_5.diff >> >> http://staff.mybsd.org.my/skywizard/FreeBSD/sound/snd_RELENG_5_20050825_035.diff >> > > > Well I added PREEMPTION to the kernel yesterday as well as the first > patch by Jeff Robertson. Immediately upon kernelinstall and reboot I > tried untarring Firefox and Thunderbird, as well as tarring them both > back up. Not a single skip, stutter, or freezing of the mouse/display! > > I did more testing last night like listening to audio with downloads > open and encoding video, and I didn't hear one skip at all. The only > time I heard a little static was when I was burning a DVD and listening > to audio at the same time, but I can understand that. > > Thanks to everyone who replied, this seems to be fixed for now. :) > > -Mark I do notice that when doing some things like using unrar to extract a file or loading a video into video encoding software I do get some of the same little crackles and static in the audio. I didn't notice this static/crackling ever before applying that first patch. I am still skip/stutter free though :). Might the second patch help the crackling/static? Thanks -Mark