From owner-freebsd-current@FreeBSD.ORG Mon Dec 23 07:31:11 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 6D50B80C for ; Mon, 23 Dec 2013 07:31:11 +0000 (UTC) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id D17CE1160 for ; Mon, 23 Dec 2013 07:31:10 +0000 (UTC) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.14.7/8.14.7) with ESMTP id rBN7V4ZP037893; Mon, 23 Dec 2013 09:31:04 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.8.3 kib.kiev.ua rBN7V4ZP037893 Received: (from kostik@localhost) by tom.home (8.14.7/8.14.7/Submit) id rBN7V3Zc037890; Mon, 23 Dec 2013 09:31:03 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 23 Dec 2013 09:31:03 +0200 From: Konstantin Belousov To: Manfred Antar Subject: Re: vfs_bio.c revision 259200 breaks writing to tape drive on current Message-ID: <20131223073102.GA59496@kib.kiev.ua> References: <201312221754.rBMHssMv004688@pozo.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="aOZrkUVdaUsw04Ox" Content-Disposition: inline In-Reply-To: <201312221754.rBMHssMv004688@pozo.com> User-Agent: Mutt/1.5.22 (2013-10-16) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on tom.home Cc: freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Dec 2013 07:31:11 -0000 --aOZrkUVdaUsw04Ox Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Dec 22, 2013 at 09:54:49AM -0800, Manfred Antar wrote: > The change to vfs_bio.c in revision 259200 breaks writing to scsi tape dr= ive on i386 and sparc64 on current. > I don't have any other machines to test on. > here is example: >=20 > r259199: > (/)4794}mt rew > (/)4795}tar cvf /dev/sa0 kernel > a kernel >=20 > r259200: > (/)4781}mt rew > (/)4782}tar cvf /dev/sa0 kernel > a kerneltar: Write error >=20 > the changes between the two revisions: > line 3682 removed: >=20 > bp->b_resid =3D bip->bio_resid; /* XXX: remove */ >=20 > I noticed this when trying to do a dump and getting end of tape error. > tried different tape drives , different cables no change. > backed out r259200 to 259199 and everything works as before. > Manfred Show me the kdump of the tar commands on both revisions. --aOZrkUVdaUsw04Ox Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBAgAGBQJSt+a2AAoJEJDCuSvBvK1BES0QAIIwzSc7msBOqE4p8EnRd0wn FszXzyQuDhm+U0C9rMa6QVwYphczSlRNeBdaWw/vnZ1S6nxor9ImiZ4Y8i57EuO7 5PwfQiFavqFbmV75LRUN5d6vdVXKi5rHNME2KhQN7durihdFkfsqnSF0Icsqx3yz L+8rcqdfUDdlkc6+gjU/YOfx39/zI5xmxWxfob5SFwbtwy68NcYkdZsGfqXt3NLL zfjw6GQYmHzl75DY4C6Lh4yY/JCIqsATxQd7aWv7U/jafzlRFO3InelIl3VWrlKu 7+XWBgXEy7HYtvi4/8+XYzU+BZR8R0bJw9c+FFZdidNGb1SGZzLFr88tDjWKOBXm lRHnRC7CzSGvGL2YNBHe3+Cr2U3+u8cv5DxW0ECoKjQKIzf3C26jC1+pxnUR3pTP jdFMbinezz+0gXfqOyNFaucf4HByxdid2YhdQURNqtLE6QQoABYwob4v5ED9OlhS Pri3YWmOSBxw86rXqIUcrBxO5El7iS49oW4IxoDl5WSfRQQWmWVr73lxylAqTBGj TTPgaSOtGLfUU5PSCZAXiXZU/wVMqVP9UPB8RnXDN4u861w8aAXQFmq6gfJoE1z0 Y8Vcmn9jhnkiHViwfQikkD9No9Wbh/ySOXKA+ofqV2fJ6SxFDjCslZQdf1OrOXfY S8hBAGE48PlfP71sNLrY =Lm7m -----END PGP SIGNATURE----- --aOZrkUVdaUsw04Ox--