From owner-freebsd-questions@FreeBSD.ORG Sun Apr 2 20:17:26 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 2ED5416A401 for ; Sun, 2 Apr 2006 20:17:26 +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 D59C143D46 for ; Sun, 2 Apr 2006 20:17:25 +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 A2F501A3C1B; Sun, 2 Apr 2006 13:17:25 -0700 (PDT) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 33A8C51243; Sun, 2 Apr 2006 16:17:22 -0400 (EDT) Date: Sun, 2 Apr 2006 16:17:22 -0400 From: Kris Kennaway To: Anish Mistry Message-ID: <20060402201721.GA58258@xor.obsecurity.org> References: <5F1267A9-EAC2-4E6B-9F17-13827E40ADD4@shire.net> <200604021543.02376.mistry.7@osu.edu> <20060402195117.GA57593@xor.obsecurity.org> <200604021609.46059.mistry.7@osu.edu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="LQksG6bCIzRHxTLp" Content-Disposition: inline In-Reply-To: <200604021609.46059.mistry.7@osu.edu> User-Agent: Mutt/1.4.2.1i Cc: Chris , eol1@yahoo.com, freebsd-questions@freebsd.org, Kris Kennaway Subject: Re: Hard crash on 6.x -- reproducible, multiple people affected 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: Sun, 02 Apr 2006 20:17:26 -0000 --LQksG6bCIzRHxTLp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Apr 02, 2006 at 04:09:30PM -0400, Anish Mistry wrote: > > It's not clear what he means by "hard crash", but he also says "and > > power off", which is the part that is most confusing to me. > Hmmm...I missed that part. Yeah, if it powers off then I'm not sure=20 > what you can do to debug it. About all I can think of is to try to reproduce the problem with enough logging enabled (e.g. running the binary under ktrace), with sync-mounted filesystem, and hope that the last few entries give the software developer enough of a clue what the process was doing at the time of shutdown (the operation itself probably will not be logged) that he can focus the investigation further. Kris --LQksG6bCIzRHxTLp Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (FreeBSD) iD8DBQFEMDFRWry0BWjoQKURAmVxAJ9R2K7SJdoXofN58WYMrWm1Pk+gHgCg3fmX Sw0OdwfPC3gg1g3QO48kAso= =GgWY -----END PGP SIGNATURE----- --LQksG6bCIzRHxTLp--