Date: Wed, 23 Sep 2009 08:22:03 -0700 From: Ted Faber <faber@isi.edu> To: Dimitry Andric <dimitry@andric.com> Cc: freebsd-current@freebsd.org Subject: Re: RELENG_8 regression: cannot detect partitions (now with boot -v) Message-ID: <20090923152203.GC27328@zod.isi.edu> In-Reply-To: <20090922184700.GE38036@zod.isi.edu> References: <20090921201903.GB52169@zod.isi.edu> <20090922041055.GA29399@zod.isi.edu> <4AB8AB12.7010406@andric.com> <20090922151441.GA38036@zod.isi.edu> <4AB90D2B.30801@andric.com> <20090922184700.GE38036@zod.isi.edu>
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[-- Attachment #1 --] On Tue, Sep 22, 2009 at 11:47:00AM -0700, Ted Faber wrote: > On Tue, Sep 22, 2009 at 07:45:15PM +0200, Dimitry Andric wrote: > > On 2009-09-22 17:14, Ted Faber wrote: > > > That's the USB disk label I was using to get the boot from. The slices > > > on ad0: /dev/ad0s1a /dev/ad0s1d and /dev/ad0s1e are the ones I don't > > > see. > > > > Just checking. :) Can you run (from a rescue disk or 7-STABLE): > > > > dd if=/dev/ad2 count=4 2>/dev/null | hexdump -C > > > > and post the output here? Output of fdisk and bsdlabel would also be > > handy. > > The bsdlabel and fdisk were attached to the first message, but I've > attached them here as well, along with the output of > > $ dd if=/dev/ad0 count=4 2>/dev/null | hexdump -C > > from the running 7.2 install. 7.2 finds the disk as ad0 not ad2. > > I've also gotten a pointer to this message, which sounds a lot like my > problem: > > http://docs.freebsd.org/cgi/getmsg.cgi?fetch=774931+0+archive/2009/freebsd-current/20090118.freebsd-current > > I'm planning to save that sector and then try erasing it as the message > suggests when I get access to the machine tonight. If the output from > the dd above will confirm that diagnosis, that would be great. I don't > know what a stale disklabel looks like, myself... Just for the record, clearing the disk label as described above solved the problem finding partition tables. -- Ted Faber http://www.isi.edu/~faber PGP: http://www.isi.edu/~faber/pubkeys.asc Unexpected attachment on this mail? See http://www.isi.edu/~faber/FAQ.html#SIG [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.13 (FreeBSD) iEYEARECAAYFAkq6PRsACgkQaUz3f+Zf+XupZACg0pH1aGfQxeFiugfRT2JAP777 WAMAn0B3LaVn37fNFF2Z/D/y/uavU7Mn =t65W -----END PGP SIGNATURE-----help
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