From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968635AbdADQYT (ORCPT ); Wed, 4 Jan 2017 11:24:19 -0500 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:32861 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965720AbdADQYM (ORCPT ); Wed, 4 Jan 2017 11:24:12 -0500 Subject: Re: ext4 filesystem corruption with 4.10-rc2 on ppc64le To: "Theodore Ts'o" , Chandan Rajendra , Anton Blanchard , , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , "Stephen Rothwell" , , , , , Jens Axboe , References: <20170104161808.5ad7b4fd@kryten> <6085340.JSrffQ0Szo@localhost.localdomain> <20170104152837.wdh7cdncs7gyged7@thunk.org> From: Jens Axboe Message-ID: Date: Wed, 4 Jan 2017 09:23:19 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <20170104152837.wdh7cdncs7gyged7@thunk.org> Content-Type: text/plain; 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It doesn't take much to trigger it - download a ppc64le Ubuntu >>> cloud image, boot it in KVM and run: >>> >>> sudo apt-get update >>> sudo apt-get dist-upgrade >>> sudo reboot >>> >>> And it never makes it back up, dying with rather severe filesystem >>> corruption. >> >> The patch at https://patchwork.kernel.org/patch/9488235/ should fix the >> bug. > > It looks like this patch is already queued up on the "for-linus" > branch on the linux-block.git tree. > > Chandra, thanks for pointing this out! I had missed your e-mail from > Christmas day, and it was on my todo list to figure out why I was > seeing lots of 1k block regressions on gce-xfstests post-merge window > that wasn't showing up on the ext4.git tree before I sent my pull > request to Linus. > > Jens, could you expedite a pull request to Linus? This is affecting > ext4 on 1k block file systems on x86/x86_64, so this is not a ppc-only > regression. Yes, it'll go out this morning. -- Jens Axboe