From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754599Ab1L1Ugl (ORCPT ); Wed, 28 Dec 2011 15:36:41 -0500 Received: from mail-ww0-f44.google.com ([74.125.82.44]:35393 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754553Ab1L1UgS (ORCPT ); Wed, 28 Dec 2011 15:36:18 -0500 Message-ID: <4EFB7DBC.8070601@gmail.com> Date: Wed, 28 Dec 2011 22:36:12 +0200 From: Konstantinos Skarlatos User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0) Gecko/20111105 Thunderbird/8.0 MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: Linux Btrfs , Chris Mason Subject: Re: Btrfs: blocked for more than 120 seconds, made worse by 3.2 rc7 References: <4EFB6D4F.6070002@gmail.com> In-Reply-To: <4EFB6D4F.6070002@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Well now machine2 has just crashed too... http://pastebin.com/gvfUm0az On Τετάρτη, 28 Δεκέμβριος 2011 9:26:07 μμ, Konstantinos Skarlatos wrote: > Hello all: > I have two machines with btrfs, that give me the "blocked for more > than 120 seconds" message. After that I cannot write anything to disk, > i am unable to unmount the btrfs filesystem and i can only reboot with > sysrq-trigger. > > It always happens when i write many files with rsync over network. > When i used 3.2rc6 it happened randomly on both machines after > 50-500gb of writes. with rc7 it happens after much less writes, > probably 10gb or so, but only on machine 1 for the time being. machine > 2 has not crashed yet after 200gb of writes and I am still testing that. > > machine 1: btrfs on a 6tb sparse file, mounted as loop, on a xfs > filesystem that lies on a 10TB md raid5. mount options > compress=zlib,compress-force > > machine 2: btrfs over md raid 5 (4x2TB)=5.5TB filesystem. mount > options compress=zlib,compress-force > > pastebins: > > machine1: > 3.2rc7 http://pastebin.com/u583G7jK > 3.2rc6 http://pastebin.com/L12TDaXa > > machine2: > 3.2rc6 http://pastebin.com/khD0wGXx > 3.2rc7 (not crashed yet)