From: Milan Broz Subject: Re: [dm-devel] hunt for 2.6.37 dm-crypt+ext4 corruption? Date: Sun, 05 Dec 2010 22:42:07 +0100 Message-ID: <4CFC072F.8090302@redhat.com> References: <4CF692D1.1010906@redhat.com> <4CF6B3E8.2000406@redhat.com> <20101201212310.GA15648@redhat.com> <20101204193828.GB13871@redhat.com> <20101205100954.GA6564@fritha.org> <4CFB679D.5030900@redhat.com> <1B43E57B-8DA5-4B34-A8D4-18A710CC8BA7@mit.edu> <20101205202855.GA7668@basil.fritz.box> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Andi Kleen , Theodore Tso , Jon Nelson , htejun@gmail.com, Mike Snitzer , linux-btrfs , Linux Kernel , Matt , htd , Heinz Diehl , linux-ext4@vger.kernel.org, Chris Mason To: device-mapper development Return-path: Received: from mx1.redhat.com ([209.132.183.28]:28057 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751149Ab0LEVmc (ORCPT ); Sun, 5 Dec 2010 16:42:32 -0500 In-Reply-To: <20101205202855.GA7668@basil.fritz.box> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 12/05/2010 09:28 PM, Andi Kleen wrote: >> I've been using a kernel which is between 2.6.37-rc2 and -rc3 with >> a LUKS / dm-crypt / LVM / ext4 setup for my primary file systems, >> and I haven't observed any corruption for the last two weeks or so. >> It's on my todo list to upgrade to top of Linus's tree, but perhaps >> this is a useful data point. > > The reported corruptions are with a .37 forward port someone did of > my parallel kcryptd patch. The 2.6.36 (and earlier) versions are > rock solid with many users. ok, to not confuse which patch version people are testing, let's use the version in Alasdair's DM repo now (upstream queue): http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-crypt-scale-to-multiple-CPUs.patch (it should be the same as v5/v6 here on dm-devel - Andi's patch + my changes for device stacking deadlock) The same patch (just with minor define fix) is reported rock solid for 2.6.36. Milan