From owner-freebsd-stable@FreeBSD.ORG Sun Apr 3 21:18:33 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8D24416A4CE for ; Sun, 3 Apr 2005 21:18:33 +0000 (GMT) Received: from ms-dienst.rz.rwth-aachen.de (ms-2.rz.RWTH-Aachen.DE [134.130.3.131]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0107843D41 for ; Sun, 3 Apr 2005 21:18:33 +0000 (GMT) (envelope-from chris@unixpages.org) Received: from r220-1 (r220-1.rz.RWTH-Aachen.DE [134.130.3.31]) by ms-dienst.rz.rwth-aachen.de (iPlanet Messaging Server 5.2 HotFix 1.12 (built Feb 13 2003)) with ESMTP id <0IEE005P736VY1@ms-dienst.rz.rwth-aachen.de> for freebsd-stable@freebsd.org; Sun, 03 Apr 2005 23:18:32 +0200 (MEST) Received: from relay.rwth-aachen.de ([134.130.3.1]) by r220-1 (MailMonitor for SMTP v1.2.2 ) ; Sun, 03 Apr 2005 23:18:31 +0200 (MEST) Received: from haakonia.hitnet.rwth-aachen.de (haakonia.hitnet.RWTH-Aachen.DE [137.226.181.92])j33LIUk4026386; Sun, 03 Apr 2005 23:18:30 +0200 (MEST) Received: from gondor.middleearth (gondor.middleearth [192.168.1.42]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))(Postfix) with ESMTP id 661A928452; Sun, 03 Apr 2005 23:18:25 +0200 (CEST) Received: by gondor.middleearth (Postfix, from userid 1001) id 7D7172285A; Sun, 03 Apr 2005 23:18:24 +0200 (CEST) Date: Sun, 03 Apr 2005 23:18:23 +0200 From: Christian Brueffer In-reply-to: <20050403170216.GA680@drjekyll.mkbuelow.net> To: Matthias Buelow Message-id: <20050403211823.GS87756@unixpages.org> MIME-version: 1.0 Content-type: multipart/signed; boundary=V4yrq4dHtCqH+JvC; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-disposition: inline User-Agent: Mutt/1.4.2.1i X-Operating-System: FreeBSD 6.0-CURRENT X-PGP-Key: http://people.FreeBSD.org/~brueffer/brueffer.key.asc X-PGP-Fingerprint: A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D References: <424F5210.8060809@pldrouin.net> <20050403133200.GP87756@unixpages.org> <425014B2.9070208@pldrouin.net> <200504031834.54592@harrymail> <20050403170216.GA680@drjekyll.mkbuelow.net> cc: Emanuel Strobl cc: freebsd-stable@freebsd.org Subject: Re: 5.4-prerelease - hanging under load X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Apr 2005 21:18:33 -0000 --V4yrq4dHtCqH+JvC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Apr 03, 2005 at 07:02:16PM +0200, Matthias Buelow wrote: > Emanuel Strobl wrote: >=20 > >Huh? I thought by default it is "HIGH", but it would also explain the=20 > >experiences in the thread "cpufreq related RELENG_5 regression"=20 > >(http://www.freebsd.org/cgi/getmsg.cgi?fetch=3D389949+393881+/usr/local/= www/db/text/2005/freebsd-stable/20050327.freebsd-stable) >=20 > But does that also affect desktop machines? I'm not under the > impression that my CPU is running at a lower frequency. The issue > I mentioned only seems to occur when doing larger block reads/writes > from/to disk (SATA), like untarring firefox. I didn't notice it > so far when some kind of mixed disk access is going on, like with > find, compiling, etc. Maybe that points to some locking issues in > the VM corner? I mean, it's not dramatic, but still makes the > system appear a bit unpolished, when it happens. In the past, with > pre-5.x releases, FreeBSD has been scheduling disk i/o and interactive > work smoothly, in my experience, so one didn't quite notice when > heavy disk access was going on, at least not if your interactive > programs weren't doing much disk i/o themselves. >=20 Not sure about desktop machines, probably depends on what exactly you're doing. At least it affects real-world scenarios, see my original message to this list: http://lists.freebsd.org/pipermail/freebsd-stable/2005-March/013036.html - Christian --=20 Christian Brueffer chris@unixpages.org brueffer@FreeBSD.org GPG Key: http://people.freebsd.org/~brueffer/brueffer.key.asc GPG Fingerprint: A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D --V4yrq4dHtCqH+JvC Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFCUF2fbHYXjKDtmC0RAkcxAJ0bntojTno+O2vevD5IS3eXMJw0VQCg12eE XyOos+D4XRmnt6+eiP5YFuw= =4HxF -----END PGP SIGNATURE----- --V4yrq4dHtCqH+JvC--