From owner-freebsd-stable@FreeBSD.ORG Mon Jun 26 12:09:16 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9EE9816A54D for ; Mon, 26 Jun 2006 12:09:16 +0000 (UTC) (envelope-from gavin.atkinson@ury.york.ac.uk) Received: from mail-gw4.york.ac.uk (mail-gw4.york.ac.uk [144.32.128.249]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1832E43E23 for ; Mon, 26 Jun 2006 12:06:21 +0000 (GMT) (envelope-from gavin.atkinson@ury.york.ac.uk) Received: from buffy.york.ac.uk (buffy-128.york.ac.uk [144.32.128.160]) by mail-gw4.york.ac.uk (8.13.6/8.13.6) with ESMTP id k5QC6GMe020140; Mon, 26 Jun 2006 13:06:16 +0100 (BST) Received: from buffy.york.ac.uk (localhost [127.0.0.1]) by buffy.york.ac.uk (8.13.6/8.13.6) with ESMTP id k5QC6G6V080971; Mon, 26 Jun 2006 13:06:16 +0100 (BST) (envelope-from gavin.atkinson@ury.york.ac.uk) Received: (from ga9@localhost) by buffy.york.ac.uk (8.13.6/8.13.6/Submit) id k5QC6FNi080970; Mon, 26 Jun 2006 13:06:15 +0100 (BST) (envelope-from gavin.atkinson@ury.york.ac.uk) X-Authentication-Warning: buffy.york.ac.uk: ga9 set sender to gavin.atkinson@ury.york.ac.uk using -f From: Gavin Atkinson To: "Marc G. Fournier" In-Reply-To: <20060626085321.T1114@ganymede.hub.org> References: <20060626085321.T1114@ganymede.hub.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Mon, 26 Jun 2006 13:06:14 +0100 Message-Id: <1151323574.80434.2.camel@buffy.york.ac.uk> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 FreeBSD GNOME Team Port X-York-MailScanner: Found to be clean X-York-MailScanner-From: gavin.atkinson@ury.york.ac.uk Cc: freebsd-stable@freebsd.org Subject: Re: force panic of remote server ... possible? 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: Mon, 26 Jun 2006 12:09:16 -0000 On Mon, 2006-06-26 at 08:55 -0300, Marc G. Fournier wrote: > For the server that I'm fighting with right now, where Dmitry pointed out > that it looks like a deadlock issue ... I have dumpdev/savecore enabled, > is there some way of forcing it to panic when I know I actually have the > deadlock, so that it will dump a core? You cen enter the debugger by setting the (badly names) debug.kdb.enter sysctl to 1, although I can't guarantee that'll trigger a dump and reboot. Do you have a serial console? Gavin