From owner-freebsd-current@FreeBSD.ORG Tue Sep 8 23:57:36 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9ADD1106568B for ; Tue, 8 Sep 2009 23:57:36 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (chello087206049004.chello.pl [87.206.49.4]) by mx1.freebsd.org (Postfix) with ESMTP id E28E38FC23 for ; Tue, 8 Sep 2009 23:57:35 +0000 (UTC) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 415CF45CDD; Wed, 9 Sep 2009 01:57:34 +0200 (CEST) Received: from localhost (chello087206049004.chello.pl [87.206.49.4]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id DD37545CA0; Wed, 9 Sep 2009 01:57:28 +0200 (CEST) Date: Wed, 9 Sep 2009 01:57:31 +0200 From: Pawel Jakub Dawidek To: Jeff Blank Message-ID: <20090908235731.GG1539@garage.freebsd.pl> References: <20090908202553.GA1368@mr-happy.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="TeJTyD9hb8KJN2Jy" Content-Disposition: inline In-Reply-To: <20090908202553.GA1368@mr-happy.com> User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 8.0-CURRENT i386 X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-0.6 required=4.5 tests=BAYES_00,RCVD_IN_SORBS_DUL autolearn=no version=3.0.4 Cc: freebsd-current@freebsd.org Subject: Re: 8.0-BETA4 panic: ffs_sync: rofs mod X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Tue, 08 Sep 2009 23:57:36 -0000 --TeJTyD9hb8KJN2Jy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Sep 08, 2009 at 04:25:53PM -0400, Jeff Blank wrote: > Hi, >=20 > My 8.0-BETA4/amd64 installation panicked when I attempted to create a > file on zvol-backed UFS. This installation is otherwise UFS-free, ZFS > v13 w/gptzfsboot method linked from wiki, single zpool mirror > (ad{4,6}p3). >=20 > # zfs create -V 18G z0/ufs0 > # newfs -U -L oldbender /dev/zvol/z0/ufs0 > # mount /dev/ufs/oldbender /old > # touch /old/foo >=20 > The system usually panics immediately, but once it waited a few > seconds to do so, and I saw the file had been created. The file was > not there upon reboot in all cases, and the filesystem was considered > clean by fsck. >=20 > Should I expect this to work? And/or is it a known issue? (Didn't > find any similar-looking problems by googling or browsing list > archives.) >=20 > Please let me know if I need to provide more details. [...] > fs =3D /old > panic: ffs_sync: rofs mod I have no idea why UFS thinks file system is read-only. I'm not able to reproduce your problem. Doing some stress tests on UFS on top of ZVOL seems to work for me. Is there anything unusual in your setup? Maybe you could mail: # zpool status # zpool list # zfs get -r all --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --TeJTyD9hb8KJN2Jy Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFKpu9rForvXbEpPzQRAmRaAJ9XHPkylfy5U5bBmonMwWuXsHffAwCfXiqc Gis1qp/r6F66c66H3085eak= =ns33 -----END PGP SIGNATURE----- --TeJTyD9hb8KJN2Jy--