From owner-freebsd-questions@FreeBSD.ORG Sat Nov 11 19:56:52 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org 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 6302016A412 for ; Sat, 11 Nov 2006 19:56:52 +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 B2E7443D8A for ; Sat, 11 Nov 2006 19:56:42 +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 98B381A4D82; Sat, 11 Nov 2006 11:56:42 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id CBD1651364; Sat, 11 Nov 2006 14:56:32 -0500 (EST) Date: Sat, 11 Nov 2006 14:56:32 -0500 From: Kris Kennaway To: Chris Message-ID: <20061111195632.GA8718@xor.obsecurity.org> References: <83083882-E193-445F-AF3D-E3ECD1E243B1@hughes.net> <20061111063049.GA81772@xor.obsecurity.org> <608516EC-BBD0-40E7-A773-2E8056981FAA@hughes.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="mYCpIKhGyMATD0i+" Content-Disposition: inline In-Reply-To: <608516EC-BBD0-40E7-A773-2E8056981FAA@hughes.net> User-Agent: Mutt/1.4.2.2i Cc: FreeBSD Questions Subject: Re: 6.x hangs on AMD64 again 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: Sat, 11 Nov 2006 19:56:52 -0000 --mYCpIKhGyMATD0i+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Nov 11, 2006 at 11:15:54AM -0800, Chris wrote: > > > >If your system is hanging then you need to configure additional > >debugging to figure out the cause. Read the chapter on kernel > >debugging the developers handbook; without this information no > >developer can help you. > > > >Kris > > > >P.S. In my testing SMP amd64 is quite stable even under exceptionally > >heavy loads, so it's either something related to your hardware or your > >particular workload. >=20 > Hadn't considered that a user level debugging solution. I'll give it =20 > a try. >=20 > We had considered it possibly related to our mix because the SuperMicro > dual xeon we are trying to replace it with was rebooting (not hanging) > without any error messages every 15-20 days. I thought it was failing > hardware. It's on 6.1 R P10. Maybe related in some way. That is indeed almost always failing hardware. Kris --mYCpIKhGyMATD0i+ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFVirwWry0BWjoQKURAn6TAKDqEY7JdYGoLJftOcymBwwAI0e4ZQCgueEM Q1Aj2MBBWCCOp/uH7ET3j88= =v3oU -----END PGP SIGNATURE----- --mYCpIKhGyMATD0i+--