Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757084Ab0LAUpw (ORCPT ); Wed, 1 Dec 2010 15:45:52 -0500 Received: from mx1.redhat.com ([209.132.183.28]:11138 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756873Ab0LAUpu (ORCPT ); Wed, 1 Dec 2010 15:45:50 -0500 Message-ID: <4CF6B3E8.2000406@redhat.com> Date: Wed, 01 Dec 2010 21:45:28 +0100 From: Milan Broz User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.12) Gecko/20101110 Thunderbird/3.1.6 MIME-Version: 1.0 To: Jon Nelson CC: Matt , Mike Snitzer , Andi Kleen , linux-btrfs , dm-devel , Linux Kernel , htd , Chris Mason , htejun@gmail.com Subject: Re: dm-crypt barrier support is effective References: <20101107194547.GA12521@basil.fritz.box> <4CD71C8B.1050604@redhat.com> <20101107230508.GB17592@basil.fritz.box> <20101108145809.GD29714@redhat.com> <1289238930-sup-9765@think> <20101114205925.GA20451@redhat.com> <4CE05A9E.9090204@redhat.com> <20101201165229.GC13415@redhat.com> <4CF692D1.1010906@redhat.com> In-Reply-To: X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1081 Lines: 24 On 12/01/2010 08:34 PM, Jon Nelson wrote: > Perhaps this is useful: for myself, I found that when I started using > 2.6.37rc3 that postgresql starting having a *lot* of problems with > corruption. Specifically, I noted zeroed pages, corruption in headers, > all sorts of stuff on /newly created/ tables, especially during index > creation. I had a fairly high hit rate of failure. I backed off to > 2.6.34.7 and have *zero* problems (in fact, prior to 2.6.37rc3, I had > never had a corruption issue with postgresql). I ran on 2.6.36 for a > few weeks as well, without issue. > > I am using kcrypt with lvm on top of that, and ext4 on top of that. With unpatched dmcrypt (IOW with Linus' git)? Then it must be ext4 or dm-core problem because there were no patches for dm-crypt... Anyway, thanks for hint how to reproduce it. Milan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/