From owner-freebsd-current Fri Nov 29 7: 2:59 2002 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 4AA7837B401 for ; Fri, 29 Nov 2002 07:02:58 -0800 (PST) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id 64ABC43EA9 for ; Fri, 29 Nov 2002 07:02:57 -0800 (PST) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.12.6/8.12.6) with ESMTP id gATF2lfN001516; Fri, 29 Nov 2002 16:02:53 +0100 (CET) (envelope-from phk@critter.freebsd.dk) To: Wesley Morgan Cc: current@FreeBSD.ORG Subject: Re: Harry Potter and the Disappearing Disklabel In-Reply-To: Your message of "Fri, 29 Nov 2002 09:41:56 EST." <20021129093417.V7358-100000@volatile.chemikals.org> Date: Fri, 29 Nov 2002 16:02:47 +0100 Message-ID: <1515.1038582167@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In message <20021129093417.V7358-100000@volatile.chemikals.org>, Wesley Morgan writes: >Yesterday morning I was having some trouble with XFree consuming much more >cpu time than necessary... A truss showed that some kind of shared memory >issue going on, but also froze my system hard. After rebooting (kernel was >from Nov 26 or 27) fsck could not check my one dirty UFS2 partition. Had >to newfs and mtree to recreate /var. No big deal, and I saved an image of >it beforehand. > >After rebooting, there was... NOTHING. GRUB errored out and wouldn't boot. >Nothing could see my partitions. After a minimal 4.7-R install (DP2 >disklabel whined about offsets and some other STRANGE error messages, >so I went with 4.7) on a small fat32 partition, I discovered that the >disklabel was empty. Had to edit it by hand... Booted up fine, made >a backup, rebooted, and nothing. Not only was there NOTHING, but the >disklabel on the new 4.7 install had vanished as well. This time the >disklabel had to be recreated with -w -r AND the boot blocks had to be >reinstalled. > >I've seen one post similar to this, but not much else. I think maybe the >UFS2 problem had to do with Kirk's recent changes, but the disklabel >issue... I'm wary to reboot my machine! What in the hell could be causing >this? I'm tempted to point the finger at GEOM, but hate to say anything >like that. I have absolutely no idea how this can happen, and would really appreciate if people can try to find a way to reproduce it, I've tried today and couldn't :-( -- 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-current" in the body of the message