Date: Mon, 31 Aug 2015 04:57:00 +1000 From: Peter Jeremy <peter@rulingia.com> To: Xin Li <delphij@delphij.net> Cc: freebsd-fs@freebsd.org Subject: Re: Panic in zfs_blkptr_verify() Message-ID: <20150830185700.GA52310@server.rulingia.com> In-Reply-To: <55E18337.5030104@delphij.net> References: <20150829062743.GA2996@server.rulingia.com> <55E18337.5030104@delphij.net>
next in thread | previous in thread | raw e-mail | index | archive | help
--OXfL5xGRrasGEqWY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2015-Aug-29 03:02:31 -0700, Xin Li <delphij@delphij.net> wrote: >On 8/28/15 23:27, Peter Jeremy wrote: >> I'm trying to upgrade my main (amd64) server from 10-stable r276177 to >> r287251 but the new kernel consistently panics: >>=20 >> Unfortunately, I'm not sure how to resolve this. zfs_blkptr_verify() was >> MFH in r277582 so the checks don't exist in my old kernel. This means it >> could be a problem with one of my pools, rather than a software bug. But >> there's no information in the panic that would let me identify where the >> dodgy offset was found other than it's DVA 0 of some undefined blkptr_t. > >Unfortunately, I have to say that the pool may be beyond repair, and you >may have to try importing it only and recreate the pool, or destroy it >and restore from a backup. Which pool? I have two active pools, both of which are functioning happily with a r276177 kernel. A scrub of both reports no errors. >That's probably not very useful because the panic is an assertion that >we know the block pointer is bad, and from the backtrace, it looks like >it was the toplevel dataset. I gathered that the panic was early during pool opening/initialisation. Is this part of the pool "tasting" and being triggered by random junk in a non-ZFS dink partition? Is it possible that=20 --=20 Peter Jeremy --OXfL5xGRrasGEqWY Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQJ8BAEBCgBmBQJV41H8XxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRFRUIyOTg2QzMwNjcxRTc0RTY1QzIyN0Ux NkE1OTdBMEU0QTIwQjM0AAoJEBall6Dkogs0/+sP/0acfi/0raPEphRE24WW77vR ZOcpW4jaT/ND0gWJthyp6G10ID6YIckX1Wikblbqk44zul4ljXKvRG9q5GkfazPG ozSADeC4CCdp7hpMkf0FpoXzvHJfbokycGPQZeIqLMLt3QShTJLzMkaNqcJ4k4M9 xlP+rN2mKNUrOytroHHTMfLFJCoUXZaDK34riWJKK8GFoeaCoyUGOllI7WGyND+d f+d2/rTS7yBWYZu4IexXzTpgGT4CVr6KJBqwbFu67E1eCCsW54m3JJ4oKHxJlwT5 TkZQtMW8C02KtMdbgJMtDLamldzpi+zHhzrcJvcPN16ncrqD3l1m1YIPfcYhT4PG Sk5zRuKB5+ih4RvXJOPxNY0R6diSiJStHewaU48u0fjyQh9yNpfeIJzC2/MS27iY OFFjxfd46Xi9MCGJ3lLhRaVEYYkkrHC/FmuT7G95zqzpbN08HCn4Yl2FeC7ochb/ C7HPExk90lPyr/hld3aMjqp0vJGgauUmgndc8wh1ejFMAIX+2UpUP3FsXq8A/SVn 2iiKexwA3NvHNzpzCgmiUrnBnwD7TPUNBOjfW6QeoJWCkWYVYXEIAJQAgLv8jC2N 7XLwEXpEOewyE7lRkfA5Gh0ogPAh0oa9LKk1vuYShirjXrXn7D2yuR7o9paK4dxG rU0BR568xPmQaoaD+Fxn =eiPV -----END PGP SIGNATURE----- --OXfL5xGRrasGEqWY--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20150830185700.GA52310>