From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 61C417F4E for ; Mon, 24 Mar 2014 08:27:37 -0500 (CDT) Message-ID: <533032C6.8090800@sgi.com> Date: Mon, 24 Mar 2014 08:27:34 -0500 From: Mark Tinguely MIME-Version: 1.0 Subject: Re: xfs blocks (blocked for more than 120 seconds) References: <532FF9DD.5080700@1st-setup.nl> In-Reply-To: <532FF9DD.5080700@1st-setup.nl> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: "Michel Verbraak(1st-Setup)" Cc: xfs@oss.sgi.com On 03/24/14 04:24, Michel Verbraak(1st-Setup) wrote: > Hi, > > We have a problem with one of our systems which is using XFS but we are > unable to find the problem. Recently we had two moments, Tuesday 4th of > March and Friday the 21st of March, where we had to reboot the system to > get it up and running again. > > What happens: > - The programs handling files on the XFS disc stop working when > creating, deleting or writing files. They do not error they are just > waiting on the command to complete. > - One of our programs, a java application, goes into very high cpu usage > (50%) which normally is at 1%. This could be something in our java > application but it happens at the moment handling files gets stuck. > - A nice restart of the programs does not succeed as wel a kill -9 does > not work. > - Trying to reboot the servers in a normal fashion does not work. As it > is a virtual machine we have to do a shutdown (unplug power) and start > it up again to get it up and running. > > Following details I have for you: > > System OS: Ubuntu 12.04 LTS > Kernel: 3.2.0-37-generic #58-Ubuntu SMP Thu Jan 24 15:28:10 UTC 2013 > x86_64 x86_64 x86_64 GNU/Linux > Server: Virtual machine in a VMWare setup. > Disc: 300GB direct attached LUN > > We have an exact clone of this system for our acceptance environment. In > this environment we are unable to reproduce this problem/situation. > > Differences between the two days is that our services on 2014-03-21 were > quit busy with a lot of file changes on the xfs disc and on 2014-03-04 > the system was very quiet on the moment the kernel traces appear and the > services get stuck. > > Any help is appreciated. > > Regards Michel Verbraak. Could you set up kdump and take a core dump next time it hangs? There is a couple suspicious items in the syslog entries --Mark. _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs