Date: Fri, 29 Nov 2002 08:47:10 -0800 From: "Sam Leffler" <sam@errno.com> To: "Wesley Morgan" <morganw@chemikals.org>, <current@FreeBSD.ORG> Subject: Re: Harry Potter and the Disappearing Disklabel Message-ID: <0b7b01c297c6$f673acd0$52557f42@errno.com> References: <20021129093417.V7358-100000@volatile.chemikals.org>
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> 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.
Same problem hit me yesterday. Haven't figured out the cause yet.
Sam
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