From owner-freebsd-stable@FreeBSD.ORG Fri Nov 3 21:27:57 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org 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 4EF3916A412 for ; Fri, 3 Nov 2006 21:27:56 +0000 (UTC) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id B44CF43D90 for ; Fri, 3 Nov 2006 21:27:24 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (elvis.mu.org [192.203.228.196]) by elvis.mu.org (Postfix) with ESMTP id 1B3FE1A4D91; Fri, 3 Nov 2006 13:27:22 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 78A6E5128A; Fri, 3 Nov 2006 16:27:15 -0500 (EST) Date: Fri, 3 Nov 2006 16:27:15 -0500 From: Kris Kennaway To: "O. Hartmann" Message-ID: <20061103212715.GB36049@xor.obsecurity.org> References: <454B9F21.4090705@mail.zedat.fu-berlin.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="/NkBOFFp2J2Af1nK" Content-Disposition: inline In-Reply-To: <454B9F21.4090705@mail.zedat.fu-berlin.de> User-Agent: Mutt/1.4.2.2i Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD 6.2-PRE: Jumping box. Worse performance X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Nov 2006 21:27:57 -0000 --/NkBOFFp2J2Af1nK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Nov 03, 2006 at 08:57:21PM +0100, O. Hartmann wrote: >=20 > Compiling FreeBSD's world with make -j2 was never a problem while playing= sound or doing other work on screen - but this seems to be a big problem n= ow, even when SCHED_4BSD is used! >=20 > While compiling world mouse stops and jumps, sound gets distorted. I reco= gnise thsi behaviour also when box is doing minor HD access: mouse pointer = stops, keyboard input gets stuck, sound stops playing, window operations (o= pening/closing) seems to freeze. This got even worse whithin the last two w= eeks (date when it starts getting this worse unknown). > This phenomenon occurs on both i386 and amd64 but is much worse on amd64.= On AMD64 very short and small HD activities seems to trigger this 'jumping= ' and stopping. >=20 > Both boxes are singel core CPUs, AMD64 is a Athlon 3500+, i386 is a HTT e= nabled P4 at 3.0 GHz. >=20 > I do not get any error or system fault, simply this jumping and freezing. >=20 > On both systems PREEMPTION is enabled in the kernel, but the problem also= occurs without this option. >=20 > Any ideas, suggestion, maybe explanations? Check for interrupt storms (vmstat -i). Kris --/NkBOFFp2J2Af1nK Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFS7QzWry0BWjoQKURAqfyAJ4svDWBE46Cqw22fnb6bONQx4aQuQCePUm7 GSAd3BuV4JVOsElBkcLznps= =TSvm -----END PGP SIGNATURE----- --/NkBOFFp2J2Af1nK--