From owner-freebsd-questions@FreeBSD.ORG Sat Apr 10 00:29:51 2004 Return-Path: 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 C450F16A4CE for ; Sat, 10 Apr 2004 00:29:51 -0700 (PDT) Received: from smtp.infracaninophile.co.uk (happy-idiot-talk.infracaninophile.co.uk [81.2.69.218]) by mx1.FreeBSD.org (Postfix) with ESMTP id 575C643D54 for ; Sat, 10 Apr 2004 00:29:50 -0700 (PDT) (envelope-from m.seaman@infracaninophile.co.uk) Received: from happy-idiot-talk.infracaninophile.co.uk (localhost [IPv6:::1]) i3A7TdOm095009 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 10 Apr 2004 08:29:39 +0100 (BST) (envelope-from matthew@happy-idiot-talk.infracaninophile.co.uk) Received: (from matthew@localhost)id i3A7TcVO094982; Sat, 10 Apr 2004 08:29:38 +0100 (BST) (envelope-from matthew) Date: Sat, 10 Apr 2004 08:29:38 +0100 From: Matthew Seaman To: Cory Petkovsek Message-ID: <20040410072938.GA8301@happy-idiot-talk.infracaninophile.co.uk> Mail-Followup-To: Matthew Seaman , Cory Petkovsek , freebsd-questions@freebsd.org References: <20040408230839.GH4101@adaptableit.com> <20040409091642.GB33753@happy-idiot-talk.infracaninophile.co.uk> <20040410012741.GB10773@adaptableit.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="oyUTqETQ0mS9luUI" Content-Disposition: inline In-Reply-To: <20040410012741.GB10773@adaptableit.com> User-Agent: Mutt/1.5.6i X-Spam-Status: No, hits=-4.8 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=2.63 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on happy-idiot-talk.infracaninophile.co.uk X-Virus-Scanned: clamd / ClamAV version devel-20040407, clamav-milter version 0.70g cc: freebsd-questions@freebsd.org Subject: Re: sendmail/strace hanging X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 10 Apr 2004 07:29:51 -0000 --oyUTqETQ0mS9luUI Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Apr 09, 2004 at 06:27:42PM -0700, Cory Petkovsek wrote: > On Fri, Apr 09, 2004 at 10:16:42AM +0100, Matthew Seaman wrote: > > On Thu, Apr 08, 2004 at 04:08:39PM -0700, Cory Petkovsek wrote: > >=20 > > > Stopping sendmail with `sh /etc/rc.sendmail stop` works quickly. Sta= rting it > > > takes about 3min. Both sendmail-submit and sendmail-clientmqueue ta= ke a > > > while before moving. Booting also has this delay. > >=20 > > In the interests of eliminating the obvious: you have confirmed that > > this is not some sort of DNS timeout? Delays of that length on > > starting up sendmail are usually due to waiting out the DNS timeouts. >=20 > Would dns timeouts affect mailq? My dns is setup correctly locally, whic= h is > where I was trying to send my tests, to my local mailhub. What is also > interesting is that it has started working again at a normal speed, witho= ut any > changes or restarts. It was slow over config changes, make world, and > reboots. But became slow, then became normal just by sitting idle. I ha= ve a > p4 with HT and an SMP/HT kernel. Could that have anything to do with it? Hmmm... Very strange. I wonder if it's sendmail causing the effect at all -- sounds like it might be something more systemic. Do you have ACPI enabled? Could it be that the system is throttling the CPU under load -- perhaps to keep the CPU cool? Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks Savill Way PGP: http://www.infracaninophile.co.uk/pgpkey Marlow Tel: +44 1628 476614 Bucks., SL7 1TH UK --oyUTqETQ0mS9luUI Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAd6JidtESqEQa7a0RAgjXAJ988Xyi1VwxqJOOjc8e7dbdi/o6bgCePULf +JwhEdaQj7YSKfVvf6LqwAo= =xa3Z -----END PGP SIGNATURE----- --oyUTqETQ0mS9luUI--