From owner-freebsd-current@FreeBSD.ORG Thu Sep 9 08:25:30 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 991E616A4CE; Thu, 9 Sep 2004 08:25:30 +0000 (GMT) Received: from wrzx28.rz.uni-wuerzburg.de (wrzx28.rz.uni-wuerzburg.de [132.187.3.28]) by mx1.FreeBSD.org (Postfix) with ESMTP id 01C0443D4C; Thu, 9 Sep 2004 08:25:30 +0000 (GMT) (envelope-from q@uni.de) Received: from wrzx30.rz.uni-wuerzburg.de (wrzx30.rz.uni-wuerzburg.de [132.187.1.30]) by wrzx28.rz.uni-wuerzburg.de (Postfix) with ESMTP id C94FED424F; Thu, 9 Sep 2004 10:25:28 +0200 (CEST) Received: from virusscan (localhost [127.0.0.1]) by wrzx30.rz.uni-wuerzburg.de (Postfix) with ESMTP id AC94B8AB4C; Thu, 9 Sep 2004 10:25:28 +0200 (CEST) Received: from wrzx28.rz.uni-wuerzburg.de (wrzx28.rz.uni-wuerzburg.de [132.187.3.28]) by wrzx30.rz.uni-wuerzburg.de (Postfix) with ESMTP id 925BE8AA76; Thu, 9 Sep 2004 10:25:28 +0200 (CEST) Received: from coyote.q.local (wwsx14.win-screen.uni-wuerzburg.de [132.187.253.14]) by wrzx28.rz.uni-wuerzburg.de (Postfix) with ESMTP id 6D347D424F; Thu, 9 Sep 2004 10:25:28 +0200 (CEST) Received: from igor.q.local (igor [192.168.0.148]) by coyote.q.local (8.12.10/8.12.10) with ESMTP id i898PSTH011371; Thu, 9 Sep 2004 10:25:28 +0200 (CEST) (envelope-from q@igor.q.local) Received: from igor.q.local (localhost [127.0.0.1]) by igor.q.local (8.13.1/8.13.1) with ESMTP id i898PRum027679; Thu, 9 Sep 2004 10:25:27 +0200 (CEST) (envelope-from q@igor.q.local) Received: (from q@localhost) by igor.q.local (8.13.1/8.13.1/Submit) id i898PQNs027678; Thu, 9 Sep 2004 10:25:26 +0200 (CEST) (envelope-from q) Date: Thu, 9 Sep 2004 10:25:25 +0200 From: Ulrich Spoerlein To: Suleiman Souhlal Message-ID: <20040909082525.GA778@galgenberg.net> Mail-Followup-To: Suleiman Souhlal , Markus =?iso-8859-15?Q?H=E4stbacka?= , freebsd-current@FreeBSD.org References: <20040905124526.F15143@midi.ihme.net> <24D02CEA-022C-11D9-870B-000A95C4D7BC@FreeBSD.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="lrZ03NoBR/3+SXJZ" Content-Disposition: inline In-Reply-To: <24D02CEA-022C-11D9-870B-000A95C4D7BC@FreeBSD.org> User-Agent: Mutt/1.5.6i X-Virus-Scanned: by amavisd-new (Rechenzentrum Universitaet Wuerzburg) cc: freebsd-current@FreeBSD.org cc: Markus =?iso-8859-15?Q?H=E4stbacka?= 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: Thu, 09 Sep 2004 08:25:30 -0000 --lrZ03NoBR/3+SXJZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, 09.09.2004 at 02:47:40 -0400, Suleiman Souhlal wrote: > FYI, after a few IRC discussions with Markus, we've discovered that=20 > turning off the memory part of Gnome's System Monitor applet, would get= =20 > rid of the skips. I believe the problem is that both sysctl and the=20 > sound drivers are Giant-locked, and so there is some contention. An=20 > easy way to reproduce these skips is to run `while true; do sysctl=20 > vm.vmtotal; done`, while playing an mp3. Not repdrocueable here on 5.3-BETA3. Even extracting the Mozilla sources no longer produces skips ind mp3 playback. pcm0: port 0xbc40-0xbc7f,0xb800-0xb8ff mem 0xf4fff40= 0-0xf4fff4ff,0xf4fff800-0xf4fff9ff irq 5 at device 31.5 on pci0 pcm0: [GIANT-LOCKED] pcm0: % cat /dev/sndstat FreeBSD Audio Driver (newpcm) Installed devices: pcm0: at io 0xb800, 0xbc40 irq 5 bufsz 16384 kld snd= _ich (1p/1r/4v channels duplex default) Ulrich Spoerlein --=20 PGP Key ID: F0DB9F44 Get it while it's hot! PGP Fingerprint: F1CE D062 0CA9 ADE3 349B 2FE8 980A C6B5 F0DB 9F44 "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -- Benjamin Franklin --lrZ03NoBR/3+SXJZ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (FreeBSD) iD8DBQFBQBN1mArGtfDbn0QRArmmAKCQUlyxmWI6je8i+aCt6XmmmrIVCQCgrg4G cFe6ow+n5IwNCtwnBnBm70U= =1N2o -----END PGP SIGNATURE----- --lrZ03NoBR/3+SXJZ--