From owner-freebsd-hackers Sun Jan 26 9:28:49 2003 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C8FC237B401 for ; Sun, 26 Jan 2003 09:28:47 -0800 (PST) Received: from kestrel.alerce.com (kestrel.alerce.com [209.182.219.40]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0B7DF43F18 for ; Sun, 26 Jan 2003 09:28:47 -0800 (PST) (envelope-from hartzell@rosebud.alerce.com) Received: from rosebud.alerce.com (w092.z064001164.sjc-ca.dsl.cnc.net [64.1.164.92]) by kestrel.alerce.com (8.12.4/8.12.4) with ESMTP id h0QHSTk6083314 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=OK); Sun, 26 Jan 2003 09:28:31 -0800 (PST) (envelope-from hartzell@rosebud.alerce.com) X-Authentication-Warning: kestrel.alerce.com: Host w092.z064001164.sjc-ca.dsl.cnc.net [64.1.164.92] claimed to be rosebud.alerce.com Received: from rosebud.alerce.com (rosebud.alerce.com [127.0.0.1]) by rosebud.alerce.com (8.12.7/8.12.7) with ESMTP id h0QHSZN0091047 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Sun, 26 Jan 2003 09:28:36 -0800 (PST) (envelope-from hartzell@rosebud.alerce.com) Received: (from hartzell@localhost) by rosebud.alerce.com (8.12.7/8.12.6/Submit) id h0QHSXBZ091044; Sun, 26 Jan 2003 09:28:33 -0800 (PST) From: George Hartzell MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15924.6849.193023.512666@rosebud.alerce.com> Date: Sun, 26 Jan 2003 09:28:33 -0800 To: Daniel Lang Cc: freebsd-hackers@freebsd.org Subject: Re: Problem opening /dev/ad0{,s2} O_RDWR (also disklabel, grub) on 5.0. In-Reply-To: <20030126132841.GA84216@atrbg11.informatik.tu-muenchen.de> References: <15923.18959.507300.156728@rosebud.alerce.com> <20030126132841.GA84216@atrbg11.informatik.tu-muenchen.de> X-Mailer: VM 7.07 under 21.1 (patch 14) "Cuyahoga Valley" XEmacs Lucid Reply-To: hartzell@kestrel.alerce.com (George Hartzell) Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Daniel Lang writes: > Hi George, > > George Hartzell wrote on Sat, Jan 25, 2003 at 06:38:07PM -0800: > [..] > > open("/dev/ad0", 1)', and 'call open("/dev/ad0", 2)' made it clear > > that anything that would write to the disk was failing. > [..] > > disklabel: /dev/ad0s2: Operation not permitted > [..] > > So, my questions are: > > > > 1) does this ring a bell with anyone? > > > > 2) Is there something in 5.0 that requires special magic to write to > > the raw disk devices? > > > You need to run in securelevel < 1. > > Check "sysctl kern.securelevel", and read init(8). > > I guess you have some rc.conf entry that raises > your securelevel, most probably resulting from the sysinstall. That's not it, kern.securelevel is -1 and this is in /etc/rc.conf kern_securelevel_enable="NO". Any other thoughts? g. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message