From owner-freebsd-net@FreeBSD.ORG Tue Apr 5 18:58:50 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 691DF1065673 for ; Tue, 5 Apr 2011 18:58:50 +0000 (UTC) (envelope-from mahan@mahan.org) Received: from ns.mahan.org (ns.mahan.org [67.116.10.138]) by mx1.freebsd.org (Postfix) with ESMTP id 4419E8FC15 for ; Tue, 5 Apr 2011 18:58:49 +0000 (UTC) Received: from gypsy.mahan.org (crowTrobot [67.116.10.140]) by ns.mahan.org (8.13.6/8.13.6) with ESMTP id p35IcMhl006325 for ; Tue, 5 Apr 2011 11:38:22 -0700 (PDT) (envelope-from mahan@mahan.org) Message-ID: <4D9B610B.1020903@mahan.org> Date: Tue, 05 Apr 2011 11:35:55 -0700 From: Patrick Mahan User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.15) Gecko/20110303 Thunderbird/3.1.9 MIME-Version: 1.0 To: freebsd-net@freebsd.org References: <75E1A2A7D185F841A975979B0906BBA6774E1B99D3@AVEXMB1.qlogic.org> <246965dca85d0f49c9c7aaa3f180e398.dnswclient@www.dnswatch.com> In-Reply-To: <246965dca85d0f49c9c7aaa3f180e398.dnswclient@www.dnswatch.com> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: Setting up a running FreeBSD/PCBSD system to enter kgdb on panic X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Apr 2011 18:58:50 -0000 On 4/5/11 10:38 AM, fbsdmail@dnswatch.com wrote: > > On Mon, April 4, 2011 5:07 pm, Eitan Adler wrote: >> On Mon, Apr 4, 2011 at 7:35 PM, David Somayajulu >> wrote: >> >>> Hi All, >>> Is there some way I can setup a running FreeBSD - (I use PCBSD7.2) - to >>> break into kgdb when the system panics. I am trying to get a stack >>> trace when "Fatal trap 12: page fault while in kernel mode" happens. >> >> debug.debugger_on_panic=1 > > Does this line go in C:\Windows\system32\win.ini? > No, it's a sysctl line. Issue as either root or via 'sudo' - % sudo sysctl debug.debugger_on_panic=1 Assuming your kernel has been built with DDB/KDB enabled. Patrick