X-Spam-Checker-Version: SpamAssassin 3.4.0-r929098 (2010-03-30) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham version=3.4.0-r929098 Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id p9FM9SO6136726 for ; Sat, 15 Oct 2011 17:09:28 -0500 X-ASG-Debug-ID: 1318716565-24e702220000-w1Z2WR X-Barracuda-URL: http://cuda.sgi.com:80/cgi-bin/mark.cgi Received: from ipmail05.adl6.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id E36AF1CDD2A for ; Sat, 15 Oct 2011 15:09:25 -0700 (PDT) Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id JjAxZMDgGxxfeZEO for ; Sat, 15 Oct 2011 15:09:25 -0700 (PDT) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ak0JAEUCmk55LabZ/2dsb2JhbABCmTWPMIEGgW4BAQU6HCMQCAMYLhQlAyETiAe1ahKDGYRdBKVk Received: from ppp121-45-166-217.lns20.syd6.internode.on.net (HELO dastard) ([121.45.166.217]) by ipmail05.adl6.internode.on.net with ESMTP; 16 Oct 2011 08:39:24 +1030 Received: from dave by dastard with local (Exim 4.76) (envelope-from ) id 1RFCPy-0000pP-8w; Sun, 16 Oct 2011 09:09:22 +1100 Date: Sun, 16 Oct 2011 09:09:22 +1100 From: Dave Chinner To: Marcin M Cc: linux-xfs@oss.sgi.com X-ASG-Orig-Subj: Re: tasks hangs in D state while writing to xfs Subject: Re: tasks hangs in D state while writing to xfs Message-ID: <20111015220922.GR3159@dastard> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1318716566 X-Barracuda-Bayes: INNOCENT GLOBAL 0.3156 1.0000 -0.2834 X-Barracuda-Virus-Scanned: by cuda.sgi.com at sgi.com X-Barracuda-Spam-Score: -0.28 X-Barracuda-Spam-Status: No, SCORE=-0.28 using per-user scores of TAG_LEVEL=2.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.1 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.2.77441 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-Virus-Scanned: ClamAV version 0.94.2, clamav-milter version 0.94.2 on oss.sgi.com X-Virus-Status: Clean On Sat, Oct 15, 2011 at 01:54:15PM +0200, Marcin M wrote: > Hello! > I've noticed strange problem with xfs. I've created filesystem with > blocksize=1024 and log as small as it possible. Next i'm copying files > using rsync, after sometime rsync hangs in D state. So i can't kill it, > i've got to reboot hosts. In dmesg i'm getting such messages: Known problem - it's a log space hang. You can often get stuff moving again via "echo 2 > /proc/sys/vm/drop_caches". That said, Christoph's fixes for the 3.0.x kernel series are here: http://oss.sgi.com/archives/xfs/2011-10/msg00305.html Cheers, Dave. -- Dave Chinner david@fromorbit.com