From owner-freebsd-questions@FreeBSD.ORG Tue Jun 3 15:51:47 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 00FF910656F2 for ; Tue, 3 Jun 2008 15:51:47 +0000 (UTC) (envelope-from nicolas@boiteameuh.org) Received: from popple.boiteameuh.org (popple.boiteameuh.org [82.232.215.170]) by mx1.freebsd.org (Postfix) with ESMTP id 9F5DE8FC1C for ; Tue, 3 Jun 2008 15:51:46 +0000 (UTC) (envelope-from nicolas@boiteameuh.org) Received: by popple.boiteameuh.org (Postfix, from userid 1000) id 984E04EC21; Tue, 3 Jun 2008 17:51:44 +0200 (CEST) Date: Tue, 3 Jun 2008 17:51:44 +0200 From: Nicolas Haller To: Bill Moran Message-ID: <20080603155144.GC19003@boiteameuh.org> References: <20080603140219.GB19003@boiteameuh.org> <20080603102327.7629a042.wmoran@potentialtech.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="kVXhAStRUZ/+rrGn" Content-Disposition: inline In-Reply-To: <20080603102327.7629a042.wmoran@potentialtech.com> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Cc: freebsd-questions@freebsd.org Subject: Re: The machine which does nothing X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Jun 2008 15:51:47 -0000 --kVXhAStRUZ/+rrGn Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jun 03, 2008 at 10:23:27AM -0400, Bill Moran wrote: > In response to Nicolas Haller : > > Hi all, > >=20 > > I have a very strange problem with a machine. The box have a postfix > > which give e-mail to an amavisd-new and deliver ham to mailboxes. > >=20 > > The problem is the mail queue grow but the machine doesn't work at full > > capacity. CPU is 90% idle, vmstat don't see proc are waiting for > > anything, disks are playing poker and there is a lot of RAM available. > >=20 > > The machine have this problem under freebsd 6.3 and 7.0-RELEASE with a > > bi-Xeon Quad core. > amavisd and postfix do a lot of stuff. Could be timing out on DNS or > other networking issues. Grab a tcpdump while it's running and see > if any networking is taking an extraordinary amount of time. Ho, it seems my box randomly send ICMP port unreachable packets to my DNS server. It's an another problem. I see my box doing the DNS request, I see my DNS server answer and, sometimes, my box send the ICMP packet. Anyone know why my box send ICMP port unreachable? --=20 Nicolas Haller --kVXhAStRUZ/+rrGn Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFIRWiQVrtqUQ7Ko4gRAjLaAKCU7TNpdX91C7/6DwH9Th3X+/kU/wCeOUiX yPvqcT1dyddmWkzp6DjRPUw= =D1pK -----END PGP SIGNATURE----- --kVXhAStRUZ/+rrGn--