Date: Fri, 12 Jan 2007 20:06:55 +0100 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Attila Nagy <bra@fsn.hu> Cc: freebsd-hackers@freebsd.org, perryh@pluto.rain.com, Kris Kennaway <kris@obsecurity.org> Subject: Re: ufs_rename: fvp == tvp (can't happen), but it did Message-ID: <20070112190655.GC90718@garage.freebsd.pl> In-Reply-To: <45A76480.6010108@fsn.hu> References: <45A0229F.7070701@fsn.hu> <45a03a95.08FguubdCa9DFcxj%perryh@pluto.rain.com> <45A0DD27.4020704@fsn.hu> <20070111010149.GA2704@xor.obsecurity.org> <45A76480.6010108@fsn.hu>
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--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--
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