From owner-freebsd-current@FreeBSD.ORG Sun Nov 16 20:56:46 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CEE4D16A4CE for ; Sun, 16 Nov 2003 20:56:46 -0800 (PST) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0D09C43FA3 for ; Sun, 16 Nov 2003 20:56:46 -0800 (PST) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.12.9/8.12.9) id hAH4uioc066650; Sun, 16 Nov 2003 22:56:44 -0600 (CST) (envelope-from dan) Date: Sun, 16 Nov 2003 22:56:44 -0600 From: Dan Nelson To: Kris Kennaway Message-ID: <20031117045644.GC35692@dan.emsphone.com> References: <20031116231020.GA17653@xor.obsecurity.org> <32746.1069024764@critter.freebsd.dk> <20031116233030.GA17937@xor.obsecurity.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20031116233030.GA17937@xor.obsecurity.org> X-OS: FreeBSD 5.1-CURRENT X-message-flag: Outlook Error User-Agent: Mutt/1.5.5.1i cc: Poul-Henning Kamp cc: current@freebsd.org Subject: Re: Unable to dump on ccd partitions? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Nov 2003 04:56:46 -0000 In the last episode (Nov 16), Kris Kennaway said: > On Mon, Nov 17, 2003 at 12:19:24AM +0100, Poul-Henning Kamp wrote: > > In message <20031116231020.GA17653@xor.obsecurity.org>, Kris Kennaway writes: > > ># dumpon /dev/ccd0b > > >dumpon: ioctl(DIOCSKERNELDUMP): Invalid argument > > > > > >Why doesn't this work? > > > > Because it would require the entire GEOM I/O engine to participate > > in dumping. > > > > As far as I know you never could dump on CCD. > > Blah, so much for device transparency :( I guess it depends on how much of the kernel you want to assume is useable after a panic, too... -- Dan Nelson dnelson@allantgroup.com