From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264261AbUH0MiD (ORCPT ); Fri, 27 Aug 2004 08:38:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264192AbUH0MiC (ORCPT ); Fri, 27 Aug 2004 08:38:02 -0400 Received: from atropo.wseurope.com ([195.110.122.67]:34759 "EHLO atropo.wseurope.com") by vger.kernel.org with ESMTP id S264346AbUH0Mfv (ORCPT ); Fri, 27 Aug 2004 08:35:51 -0400 From: Fabio Coatti Organization: FerraraLUG To: Anton Altaparmakov Subject: Re: data loss in 2.6.9-rc1-mm1 Date: Fri, 27 Aug 2004 14:35:42 +0200 User-Agent: KMail/1.7 Cc: Gergely Tamas , lkml , Andrew Morton References: <20040827105543.GA10563@mfa.kfki.hu> <1093604706.5994.54.camel@imp.csi.cam.ac.uk> In-Reply-To: <1093604706.5994.54.camel@imp.csi.cam.ac.uk> MIME-Version: 1.0 Content-Type: Multipart/Mixed; boundary="Boundary-00=_eqyLBSo1gqwQUiN" Message-Id: <200408271435.42178.cova@ferrara.linux.it> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --Boundary-00=_eqyLBSo1gqwQUiN Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Alle 13:05, venerd=EC 27 agosto 2004, Anton Altaparmakov ha scritto: > > The difference is exactly 4096 bytes, i.e. 1 whole page. Seems like an > off-by-one error somewhere in the file access or page cache code. > > It would be interesting to know whether the read is truncated or whether > the write is truncated. =20 I can confirm very bad behaviour on my machine running 2.6.9-rc1-mm1 I've noticed curruption of rpm database, (symptom: error: db4 error(-30989)= =20 from dbcursor->c_get: DB_PAGE_NOTFOUND: Requested page not found ) So I've tried to rebuild the database, failing with the same error. I've completely wiped out the database direcory, copied another one from a= =20 similar machine (just for testing). Now under 2.6.7-mm7 all database is rea= d=20 just fine, but under 2.6.9-rc1-mm1 i get the same error DB_PAGE_NOTFOUND, s= o=20 I suspect read error. If I try to tar the archive, I get several errors, i.e.: tar: /var/lib/rpm/Packages: File shrank by 4096 bytes; padding with zeros (2.6.9-rc1-mm1) =46ilesystem: jfs system: P IV 1.70=20 Attached you can find my config file for 2.6.9-rc1-mm1. I can make tests if needed. =2D-=20 =46abio "Cova" Coatti http://members.ferrara.linux.it/cova =20 =46errara Linux Users Group http://ferrara.linux.it GnuPG fp:9765 A5B6 6843 17BC A646 BE8C FA56 373A 5374 C703 Old SysOps never die... they simply forget their password. --Boundary-00=_eqyLBSo1gqwQUiN Content-Type: application/x-gzip; name="269rc1mm1.config.gz" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="269rc1mm1.config.gz" H4sICA4qL0EAAzI2OXJjMW1tMS5jb25maWcAjFxZc+O2sn7Pr2BVHs5MVSZjSbYsp2oeIBCUcEQQ HALa8sJSbI6tiiz5aEnG//42uEgg2ZDvQxb119gbvaHpX3/51SOn4+51dVw/rjabd+8522b71TF7 8l5Xf2fe4277Y/38h/e02/7n6GVP6yO0CNfb00/v72y/zTbeP9n+sN5t//C6v/d/f/iyf+x8eX3t AJd+OUHfz16373W6f/Ru/ugOvO7Nze0vv/5CZRTwUboY9L+9Vz+EmF5+TLnfsbARi1jCacoVSX1B AIBOfvXo7imDaR5P+/Xx3dtk/8B0dm9HmM3hMghbxNBWsEiT8NIjDRmJUipFzEN2IQ8TOWFRKqNU ibgaZpRvycY7ZMfT26VjNSfxpaVaqhmP6YUQS8UXqfg+ZVN7AOWncSIpUyollGpAYB04ls563vrg bXdHM7Q1ENWh3Y5Mfa4RzlBCn9MgVWMe6G+d20uLsdRxOB0hbfik+J/LjCtKPjV7WCaGzPeZj/Qy 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