From: Andre Noll Subject: Re: ext4: (2.6.34-rc4): This should not happen!! Data will be lost Date: Thu, 22 Apr 2010 10:21:23 +0200 Message-ID: <20100422082123.GC21495@skl-net.de> References: <20100416123526.GW21495@skl-net.de> <20100416163654.GD58339@plapa.qlogic.org> <20100416170707.GB25507@skl-net.de> <201004171855.36874.bernd.schubert@fastmail.fm> <4BCA1DFB.5030501@redhat.com> <20100417223854.GD25507@skl-net.de> <20100420153723.GE25507@skl-net.de> <4BCDDB7F.6040903@redhat.com> <20100420174610.GZ21495@skl-net.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="tZ7UtMhm9kWBoSQe" Cc: Bernd Schubert , Andrew Vasquez , "linux-ext4@vger.kernel.org" , Linux Driver , Thomas Helle To: Eric Sandeen Return-path: Received: from systemlinux.org ([83.151.29.59]:51876 "EHLO m18s25.vlinux.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752432Ab0DVIVx (ORCPT ); Thu, 22 Apr 2010 04:21:53 -0400 Content-Disposition: inline In-Reply-To: <20100420174610.GZ21495@skl-net.de> Sender: linux-ext4-owner@vger.kernel.org List-ID: --tZ7UtMhm9kWBoSQe Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 19:46, Andre Noll wrote: > > To be honest I'm not sure what I would do with the blktrace data now, > > but perhaps someone might be interested to see it; I'd at least gather = it. >=20 > OK, will send it tomorrow. Here we go. mount | grep sda: /dev/sda on /mnt type ext4 (ro,relatime,barrier=3D1,data=3Dordered) command: ls stress.* | head -n 5 | xargs rm && stress -d 5 --hdd-noclean --h= dd-bytes 10G dmesg: EXT4-fs (sda): mounted filesystem with ordered data mode qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82d1= 2002. qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82d3= 2002. end_request: I/O error, dev sda, sector 7812689752 Aborting journal on device sda-8. qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82d8= 2002. EXT4-fs (sda): delayed block allocation failed for inode 4198406 at= logical offset 0 with max blocks 32768 with error -30 This should not happen!! Data will be lost EXT4-fs error (device sda) in ext4_da_writepages: Journal has abort= ed qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82da= 2002. qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82db= 2002. EXT4-fs (sda): delayed block allocation failed for inode 4198435 at= logical offset 0 with max blocks 32768 with error -30 This should not happen!! Data will be lost EXT4-fs error (device sda): ext4_journal_start_sb: Detected aborted= journal EXT4-fs (sda): Remounting filesystem read-only EXT4-fs (sda): ext4_da_writepages: jbd2_start: 32768 pages, ino 419= 8406; err -30 EXT4-fs (sda): ext4_da_writepages: jbd2_start: 32768 pages, ino 419= 8435; err -30 qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82df= 2002. EXT4-fs (sda): delayed block allocation failed for inode 4198433 at= logical offset 0 with max blocks 32768 with error -30 This should not happen!! Data will be lost EXT4-fs (sda): delayed block allocation failed for inode 4198437 at= logical offset 0 with max blocks 32768 with error -30 This should not happen!! Data will be lost EXT4-fs (sda): ext4_da_writepages: jbd2_start: 32768 pages, ino 419= 8433; err -30 EXT4-fs (sda): ext4_da_writepages: jbd2_start: 32768 pages, ino 419= 8437; err -30 qla2xxx 0000:06:09.0: scsi(0:0:0): Abort command issued -- 1 2f82e2= 2002. ... The output of "btrace /dev/sda" during the above command is 1.7M large. It's at http://systemlinux.org/~maan/btrace.sda I'll run further tests with barrier=3D0 and 60s timeout. Thanks Andre --=20 The only person who always got his work done by Friday was Robinson Crusoe --tZ7UtMhm9kWBoSQe Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFL0AcDWto1QDEAkw8RAv8NAKCInPMiSy/Gs2ADyp2MnJESS55NhwCeP54Y at+zge03jqj2pWEo7dzlZ6o= =vqYd -----END PGP SIGNATURE----- --tZ7UtMhm9kWBoSQe--