From owner-freebsd-stable@FreeBSD.ORG Tue Feb 23 10:28:03 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7A1CC106566C for ; Tue, 23 Feb 2010 10:28:03 +0000 (UTC) (envelope-from john.marshall@riverwillow.com.au) Received: from mail1.riverwillow.net.au (mail1.riverwillow.net.au [203.58.93.36]) by mx1.freebsd.org (Postfix) with ESMTP id CDAFB8FC14 for ; Tue, 23 Feb 2010 10:28:02 +0000 (UTC) Received: from rwpc12.mby.riverwillow.net.au (rwpc12.mby.riverwillow.net.au [172.25.24.168]) (authenticated bits=0) by mail1.riverwillow.net.au (8.14.4/8.14.4) with ESMTP id o1NARtNx043030 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 23 Feb 2010 21:27:56 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=riverwillow.com.au; s=m1001; t=1266920876; bh=10g0Vny9b16XLkEyj710jw52N9MbaIM7r99XaYpkfgY=; h=Date:From:To:Subject:Message-ID:References:Mime-Version: Content-Type:In-Reply-To; b=Qs50N9xPEg9OHB3VzW7CYC0DhfJ8a+XHSukZzg7hBzFwZm1QrYJLY16yNNc4ONMwQ toE4FypDD9yUuqYKMWh5zCJF8Q+sue0BrJoenDUfLOSlvBsTfIB7HADqMlWyVDKXd2 pnG575D7LcxrxFzM6LhO2cAfB3ubaw5VJysLY0cE= Received: from rwpc12.mby.riverwillow.net.au (localhost [127.0.0.1]) by rwpc12.mby.riverwillow.net.au (8.14.3/8.14.3) with ESMTP id o1NARtrL009769 for ; Tue, 23 Feb 2010 21:27:55 +1100 (AEDT) (envelope-from john.marshall@riverwillow.com.au) Received: (from john@localhost) by rwpc12.mby.riverwillow.net.au (8.14.3/8.14.3/Submit) id o1NARsiO009768 for freebsd-stable@freebsd.org; Tue, 23 Feb 2010 21:27:54 +1100 (AEDT) (envelope-from john) Date: Tue, 23 Feb 2010 21:27:54 +1100 From: John Marshall To: freebsd-stable@freebsd.org Message-ID: <20100223102754.GG2303@rwpc12.mby.riverwillow.net.au> Mail-Followup-To: freebsd-stable@freebsd.org References: <20100223013522.GE2303@rwpc12.mby.riverwillow.net.au> <20100223093616.GO50403@deviant.kiev.zoral.com.ua> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="lEGEL1/lMxI0MVQ2" Content-Disposition: inline In-Reply-To: <20100223093616.GO50403@deviant.kiev.zoral.com.ua> User-Agent: Mutt/1.4.2.3i OpenPGP: id=A29A84A2; url=http://pki.riverwillow.net.au/pgp/johnmarshall.asc Subject: Re: sleep(3) sometimes too sleepy on FreeBSD 8.0? 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: Tue, 23 Feb 2010 10:28:03 -0000 --lEGEL1/lMxI0MVQ2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, 23 Feb 2010, 11:36 +0200, Kostik Belousov wrote: > On Tue, Feb 23, 2010 at 12:35:22PM +1100, John Marshall wrote: > > Environment: sendmail 8.14.4 on FreeBSD 8.0-RELEASE-p2 > >=20 > > Since upgrading a few local servers to FreeBSD 8.0-RELEASE (and > > subsequently 8.0-RELEASE-p2), I have been seeing VERY intermittent > > problems with sendmail persistent queue runners. One or more queue > > runners will fail to wake up (having been told to sleep for either 1 or > > 5 seconds) and mail accumulates in their queue group queues. > I think the best way to collect the data would be ktrace the queue runner= s, > preferrably starting the ktrace before they are stuck. OK. I've started a ktrace for the sendmail process group on each of the three servers. I'll re-start the ktrace each day until a problem appears (could be another couple of weeks). Thank you. --=20 John Marshall --lEGEL1/lMxI0MVQ2 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAkuDraoACgkQw/tAaKKahKI+YgCdHCIClt0gLzX2aaeWB2OiWzdu oJYAn0REyOgKqSm8q3fzcJbrpywU4DeM =304N -----END PGP SIGNATURE----- --lEGEL1/lMxI0MVQ2--