From owner-freebsd-hackers Sun Jan 26 13:59:22 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 B8A9137B401 for ; Sun, 26 Jan 2003 13:59:21 -0800 (PST) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id E211343E4A for ; Sun, 26 Jan 2003 13:59:20 -0800 (PST) (envelope-from phk@freebsd.org) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.12.6/8.12.6) with ESMTP id h0QLxHQl010924; Sun, 26 Jan 2003 22:59:18 +0100 (CET) (envelope-from phk@freebsd.org) To: Peter Wemm Cc: hartzell@kestrel.alerce.com (George Hartzell), Daniel Lang , freebsd-hackers@freebsd.org Subject: Re: Problem opening /dev/ad0{,s2} O_RDWR (also disklabel, grub) on 5.0. From: phk@freebsd.org In-Reply-To: Your message of "Sun, 26 Jan 2003 10:13:28 PST." <20030126181328.26F172A89E@canning.wemm.org> Date: Sun, 26 Jan 2003 22:59:17 +0100 Message-ID: <10923.1043618357@critter.freebsd.dk> 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 In message <20030126181328.26F172A89E@canning.wemm.org>, Peter Wemm writes: >Yes, this is a not-quite-yet resolved side effect of GEOM that is due to be >fixed any minute now. Geom is overly protective when partitions are open >and mounted. Geom is not overly protective, it only protects what it has to, the problem is that BSD labels have their meta-data in-band, and therefore the necessary protection becomes intrusive. Anyway, I belive I have just committed a working ioctl to the system so that the boot code can be replaced while the disk is active. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message