From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755670AbYJOOYv (ORCPT ); Wed, 15 Oct 2008 10:24:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752043AbYJOOYm (ORCPT ); Wed, 15 Oct 2008 10:24:42 -0400 Received: from mx34.mail.ru ([194.67.23.200]:4283 "EHLO mx34.mail.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751839AbYJOOYl (ORCPT ); Wed, 15 Oct 2008 10:24:41 -0400 From: Andrey Borzenkov To: Eric Sandeen , pterjan@mandriva.org Subject: Re: Possible ext3 corruption with 1K block size Date: Wed, 15 Oct 2008 18:24:31 +0400 User-Agent: KMail/1.9.10 Cc: linux-ext4@vger.kernel.org, Linux Kernel Mailing List References: <200810150724.42180.arvidjaar@mail.ru> <48F5E6D4.8080603@redhat.com> In-Reply-To: <48F5E6D4.8080603@redhat.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart7561009.HbZexBdqDx"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200810151824.36119.arvidjaar@mail.ru> X-Spam: Not detected X-Mras: OK Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nextPart7561009.HbZexBdqDx Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Wednesday 15 October 2008, Eric Sandeen wrote: > Andrey Borzenkov wrote: > > There is long standing open bug report on Mandriva which is currently > > beieved to have root cause in file system corruption. It shows itself > > in RPM DB corruption (at least, there is no other known method to trigg= er > > it). So far all reported cases happened on filesystem with 1K block size > > and stopped when RPM DB was moved to FS with 4K block size. > >=20 > > There are also similar RH reports as well. > >=20 > > Here are references: > >=20 > > https://qa.mandriva.com/show_bug.cgi?id=3D32547 > >=20 > > This one is rather long.=20 >=20 > yep, unfortunately IIRC most of the bug is "me too's" and "how do I do > the workaround" :) >=20 > > Interesting bits are probably around > >=20 > > https://qa.mandriva.com/show_bug.cgi?id=3D32547#c177 > > https://qa.mandriva.com/show_bug.cgi?id=3D32547#c148 (many users report= ing > > dumpe2fs) > >=20 > > https://bugzilla.redhat.com/show_bug.cgi?id=3D230362 > > https://bugzilla.redhat.com/show_bug.cgi?id=3D375931 > > https://bugzilla.redhat.com/show_bug.cgi?id=3D305301 > >=20 > > The Mandriva bugzilla also mentions this mail from Stephen Tweedie=20 > > http://lkml.org/lkml/2007/9/18/232 >=20 > I don't think this is related, in the end... there was some possiblity > of corruption from that, but I think it's doubtful it'd hit 1k block > filesystems more, and in any case, the corruption has been seen since > then if I read it right. >=20 > > which indicates some issues with 1K blocks, but according to last comme= nt: > > https://qa.mandriva.com/show_bug.cgi?id=3D32547#c300 > >=20 > > it is still present in 2.6.27 (at least was present on -rc6) > >=20 > > There was a kernel bug report http://bugzilla.kernel.org/show_bug.cgi?i= d=3D11564, > > but in this case it was identified as hardware issue. >=20 > My kingdom for a testcase... does anyone have simple steps to reproduce > this? Or do they all start with "install mandriva on a 1k block size > system?" :) >=20 May be RH will do? :) As indicated by last comment, Pascal has some ways to trigger it; I forgot to Cc to him initially; doing it now. --nextPart7561009.HbZexBdqDx Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAkj1/SAACgkQR6LMutpd94x0UQCfe0q3Q0MaVtXbHzjwEJLowWv4 NbsAn1cMjhDXyXvOqCGCISe/xNEVjBIn =yphD -----END PGP SIGNATURE----- --nextPart7561009.HbZexBdqDx--