From owner-freebsd-current@FreeBSD.ORG Sun Sep 26 13:14:39 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2FA0F16A4CE for ; Sun, 26 Sep 2004 13:14:39 +0000 (GMT) Received: from smtp18.wxs.nl (smtp18.wxs.nl [195.121.6.14]) by mx1.FreeBSD.org (Postfix) with ESMTP id D694743D4C for ; Sun, 26 Sep 2004 13:14:38 +0000 (GMT) (envelope-from ronald-freebsd8@klop.yi.org) Received: from ronald.echteman.nl (ip51cdc5d2.speed.planet.nl [81.205.197.210]) by smtp18.wxs.nlSMTP id <0I4N00C0RGSCRV@smtp18.wxs.nl> for freebsd-current@freebsd.org; Sun, 26 Sep 2004 15:14:36 +0200 (CEST) Received: (qmail 12334 invoked from network); Sun, 26 Sep 2004 13:14:35 +0000 Received: from unknown (HELO laptop.thuis.klop.ws) (192.168.1.4) by ronald.echteman.nl with SMTP; Sun, 26 Sep 2004 13:14:35 +0000 Received: (qmail 12878 invoked from network); Sun, 26 Sep 2004 13:13:27 +0000 Received: from unknown (HELO guido.thuis.klop.ws) (192.168.0.2) by 192.168.0.16 with SMTP; Sun, 26 Sep 2004 13:13:27 +0000 Received: (qmail 8536 invoked from network); Sun, 26 Sep 2004 13:14:05 +0000 Received: from localhost.thuis.klop.ws (HELO outgoing.local) (127.0.0.1) by localhost.thuis.klop.ws with SMTP; Sun, 26 Sep 2004 13:14:05 +0000 Date: Sun, 26 Sep 2004 15:14:04 +0200 From: Ronald Klop In-reply-to: <20040924071520.GA44388@slipgate.org> To: Ryan Freeman , freebsd-current@freebsd.org Message-id: MIME-version: 1.0 Content-type: text/plain; format=flowed; delsp=yes; charset=iso-8859-1 Content-transfer-encoding: 7BIT User-Agent: Opera M2/7.54 (FreeBSD, build 751) References: <20040924071520.GA44388@slipgate.org> X-Mailman-Approved-At: Sun, 26 Sep 2004 15:32:32 +0000 Subject: Re: Sound performance problems in FreeBSD X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 26 Sep 2004 13:14:39 -0000 On Fri, 24 Sep 2004 00:15:20 -0700, Ryan Freeman wrote: > hello, sorry to drag up a slightly outdated topic, but i just installed > 5.3beta5 > and i'm having the same issue. the last time i used freebsd was back in > march at > version 5.2 and 5.2.1. the issue existed then too, hence trying out > 5.3beta5 now to > see if it was gone. while it isn't gone, i'm glad to see people are > finally noticing > the problem as more than just "oh your hardware must be faulty". i ran > the following: > >> An easy way to reproduce these >> skips is to run `while true; do sysctl vm.vmtotal; done`, while >> playing an mp3. > > and i get the nice "person being removed from the matrix" effect. > haven't yet tried > the patch, but i want to get on that asap. can anyone else verify that > the patch > works? and furthermore, is it going to be worked into the freebsd source > post-haste? ;) thanks, > > - ryan > > hardware includes: athlon xp 1900+, 768mb DDR, sblive 5.1. I have this also. Machine: P-III 500Mhz cat /dev/sndstat FreeBSD Audio Driver (newpcm) Installed devices: pcm0: at io 0x2060 irq 11 kld snd_emu10k1 (4p/2r/4v channels duplex default) I notice a lot of system time is used when running the loop. I presume system time has higher precedence than user time. Ronald. -- Ronald Klop Amsterdam, The Netherlands