From owner-freebsd-fs@freebsd.org Thu Nov 1 12:17:47 2018 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 56AC910F0D23 for ; Thu, 1 Nov 2018 12:17:47 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.not-for.work (onlyone.not-for.work [IPv6:2a01:4f8:201:6350::2]) by mx1.freebsd.org (Postfix) with ESMTP id D1CA67361C for ; Thu, 1 Nov 2018 12:17:46 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from [192.168.23.186] (unknown [89.113.128.32]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.not-for.work (Postfix) with ESMTPSA id E04ED144 for ; Thu, 1 Nov 2018 15:17:45 +0300 (MSK) To: FreeBSD Filesystems Reply-To: lev@FreeBSD.org From: Lev Serebryakov Subject: boot2 / loader can not check superblock checksum and refuse to boot, but fsck_ffs doesn't see problems Openpgp: preference=signencrypt Autocrypt: addr=lev@FreeBSD.org; 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WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="1cwqErtmxte5NtSHi5LKjm1CoBVrOAqI7" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Nov 2018 12:17:47 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --1cwqErtmxte5NtSHi5LKjm1CoBVrOAqI7 Content-Type: multipart/mixed; boundary="q2AtePnIb2eUryp8qRnFQWJ7GSQbVWBYL"; protected-headers="v1" From: Lev Serebryakov Reply-To: lev@FreeBSD.org To: FreeBSD Filesystems Message-ID: Subject: boot2 / loader can not check superblock checksum and refuse to boot, but fsck_ffs doesn't see problems --q2AtePnIb2eUryp8qRnFQWJ7GSQbVWBYL Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable I have NanoBSD image built from head/r339933, which passes all checks on other system: "fsck_ffs" passes, it could be mounted without problems, everything could be read. But when I try to boot from it, boot2 (or loader?) complains about failed superblock checksum several times (for each copy?), like this: Superblock check-hash failed: recorded check-hash 0xcfa0ae67 !=3D compute= d check-hash 0x21993fb ALL these messages contains SAME "recorded" and "compuded" hashes, so it doesn't look like corrupted flash. Looks like boot2/loader wrongly calculate hash... --=20 // Lev Serebryakov --q2AtePnIb2eUryp8qRnFQWJ7GSQbVWBYL-- --1cwqErtmxte5NtSHi5LKjm1CoBVrOAqI7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEE+W0coLX0MYtnSzMK6rA8WL/cR48FAlva7uJfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEY5 NkQxQ0EwQjVGNDMxOEI2NzRCMzMwQUVBQjAzQzU4QkZEQzQ3OEYACgkQ6rA8WL/c R4+y7Q/+JpD32Cr2tce70/3SVpwAdmnMXR8ipGKVRjZU0szfSKywbQ11ejm5sHQ9 OfVqKAk6LcTsoF6HcywttQP4PHZnc3sVLH8eKhff7Lk8fh/DVs06hQTKVKNcabwR EqbKvlhJ7JzJ7aBGc/c7CX7+tQFU9HdS9SKftmlMJmPvozvP1p8zwwQn8E16EvUL dgGJ/qdFeb2q1CGILKXOEm1+tSTRznLxxZEdeDSkZtxzNNfmtiqqeq4u0NB7ktW1 KZvp8fC+H/CNjPDiMio/+p8X98oEoCIh1vwpYcnCffIXABxNZ5DRbwK1HTgr0e0p 1oXPyQC+lhpBASIHTKLGawlF+lITXMpW6FSP+kHRDGmTEGEKarymUh42n+7MNTht sXyFn77a8etOXkyAeLPAWUgEsUfDSxlxfYbXKXk9wKsMJr8loCX9QGxu6yemXfs/ bsB60NYhjQemLpubf5XrC9X790esCzPLN67gIokpeQQXNEzLkMRdDkI1AjY3K/6f lRkDnxQ24CD61xxTwTHB2gyu/OoHNqDFDryrx2XDhJgN/XA5Ul/uONE1FgMoqh/e Nx4tJkpkpLs4CivT9pmYkezB0tYVptD+0oNo/+vORn7VuGbPAmW5hwHiCxm2Je9d SikF65yAoCyCvcsEcF2bg+4flbPeUBDir8mRhzv+1IcOw/nWxHk= =VefH -----END PGP SIGNATURE----- --1cwqErtmxte5NtSHi5LKjm1CoBVrOAqI7--