Date: Fri, 29 Nov 2002 12:04:31 -0500 From: Hiten Pandya <hiten@angelica.unixdaemons.com> To: Sam Leffler <sam@errno.com> Cc: Wesley Morgan <morganw@chemikals.org>, current@FreeBSD.ORG Subject: Re: Harry Potter and the Disappearing Disklabel Message-ID: <20021129170431.GA99299@angelica.unixdaemons.com> In-Reply-To: <0b7b01c297c6$f673acd0$52557f42@errno.com> References: <20021129093417.V7358-100000@volatile.chemikals.org> <0b7b01c297c6$f673acd0$52557f42@errno.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Nov 29, 2002 at 08:47:10AM -0800, Sam Leffler wrote the words in effect of: > > 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 FWIW, find-sb in /usr/src/tools/tools, does a good job of finding UFS1 and UFS2 slices. It is somewhat similar to scan_ffs but way more advanced. -- Hiten Pandya (hiten@unixdaemons.com, hiten@uk.FreeBSD.org) http://www.unixdaemons.com/~hiten/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20021129170431.GA99299>