From: Andre Noll Subject: Re: ext4: (2.6.34-rc4): This should not happen!! Data will be lost Date: Tue, 20 Apr 2010 19:46:10 +0200 Message-ID: <20100420174610.GZ21495@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> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="bCncd2H9lvi1JwMR" 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]:32774 "EHLO m18s25.vlinux.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755005Ab0DTRqy (ORCPT ); Tue, 20 Apr 2010 13:46:54 -0400 Content-Disposition: inline In-Reply-To: <4BCDDB7F.6040903@redhat.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: --bCncd2H9lvi1JwMR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 11:51, Eric Sandeen wrote: > On 04/20/2010 10:37 AM, Andre Noll wrote: > ... >=20 > > - device timeout 30s, nobarrier > > No problem at all, all three runs OK. > >=20 > > Eric, are you still interested in seeing the blktrace output? Suppose, > > I should use a 30s timeout, nodealloc and barriers=3D1 as this triggers > > the problem within minutes. >=20 > Hm, so something about barriers being issued is causing timeout > problems on the device...? Yes, that's what it looks like. > 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. OK, will send it tomorrow. Thanks Andre --=20 The only person who always got his work done by Friday was Robinson Crusoe --bCncd2H9lvi1JwMR 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) iD8DBQFLzehiWto1QDEAkw8RAsoKAKCXBlSudrZldGmk5yT1pVKrJ+tQuQCdF96M ncRXhRJu32O4KgDGD/1Yl6g= =MuRf -----END PGP SIGNATURE----- --bCncd2H9lvi1JwMR--