From owner-freebsd-hackers@FreeBSD.ORG Fri Jan 12 19:25:19 2007 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9A1ED16A403 for ; Fri, 12 Jan 2007 19:25:19 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.freebsd.org (Postfix) with ESMTP id 0FA7313C455 for ; Fri, 12 Jan 2007 19:25:19 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 778DD4880F; Fri, 12 Jan 2007 20:07:31 +0100 (CET) Received: from localhost (154.81.datacomsa.pl [195.34.81.154]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id 0190E487F0; Fri, 12 Jan 2007 20:07:26 +0100 (CET) Date: Fri, 12 Jan 2007 20:06:55 +0100 From: Pawel Jakub Dawidek To: Attila Nagy Message-ID: <20070112190655.GC90718@garage.freebsd.pl> References: <45A0229F.7070701@fsn.hu> <45a03a95.08FguubdCa9DFcxj%perryh@pluto.rain.com> <45A0DD27.4020704@fsn.hu> <20070111010149.GA2704@xor.obsecurity.org> <45A76480.6010108@fsn.hu> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="E/DnYTRukya0zdZ1" Content-Disposition: inline In-Reply-To: <45A76480.6010108@fsn.hu> X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-CURRENT i386 User-Agent: mutt-ng/devel-r804 (FreeBSD) X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=BAYES_00 autolearn=ham version=3.0.4 Cc: freebsd-hackers@freebsd.org, perryh@pluto.rain.com, Kris Kennaway Subject: Re: ufs_rename: fvp == tvp (can't happen), but it did X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Jan 2007 19:25:19 -0000 --E/DnYTRukya0zdZ1 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 12, 2007 at 11:35:44AM +0100, Attila Nagy wrote: > On 01/11/07 02:01, Kris Kennaway wrote: > >On Sun, Jan 07, 2007 at 12:44:39PM +0100, Attila Nagy wrote: > > =20 > >>On 2007.01.07. 1:11, perryh@pluto.rain.com wrote: > >> =20 > >>>It sounds as if the caller of ufs_rename() is confused. You could > >>>try setting a breakpoint on the printf(), or change it to a panic() > >>>to get a dump, and try to figure out who the caller is and what is > >>>going on. > >>> =20 > >>Yes this would be very good, especially if this wouldn't be a productio= n machine or if I could reproduce this on a test system. But neither of thi= s are true. :( > >> > >>Maybe I will try it on a sleepless night, in the maintenance window, th= anks for the idea. > >> =20 > > > >Try forcing a fsck, sometimes bizarre FS panics are due to filesystem > >corruption. > > =20 > I've already thought of that, but in that case the FC array must be bad, = since going with only the locally attached disks in the mirror, the error d= oesn't appear... Silent data corruptions happens, look for example at the "problem with 4T volume under FreeBSD" thread on current@. I'd suggest configuring geli with data authentication on top of the FC array. geli will detect silent data corruptions. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --E/DnYTRukya0zdZ1 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFFp9xPForvXbEpPzQRAucgAJ4k20fCH3iZ50KOs9sECeStVzGxFgCgvRe4 KaTie0JyuHSyW9W+Yi5HAdE= =EeCD -----END PGP SIGNATURE----- --E/DnYTRukya0zdZ1--