From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Thu, 04 Oct 2007 13:06:35 -0700 (PDT) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.170]) by oss.sgi.com (8.12.11.20060308/8.12.10/SuSE Linux 0.7) with ESMTP id l94K6U8k031571 for ; Thu, 4 Oct 2007 13:06:32 -0700 Received: by ug-out-1314.google.com with SMTP id m3so470515ugc for ; Thu, 04 Oct 2007 13:06:30 -0700 (PDT) From: Alessandro Bono Subject: Re: 2.6.23-rc9-git1 hang with XFS Date: Thu, 4 Oct 2007 21:38:36 +0200 References: <20071004003935.GC23367404@sgi.com> In-Reply-To: <20071004003935.GC23367404@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200710042138.36920.alessandro.bono@gmail.com> Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: David Chinner Cc: linux-xfs@oss.sgi.com On Thursday 04 October 2007, David Chinner wrote: > On Wed, Oct 03, 2007 at 11:03:29PM +0200, Alessandro Bono wrote: > > Hi all > > > > I'm testing 2.6.23-rc9-git1 on my old home server > > Trying to reorganizer my xfs filesystem with xfs_fsr cause a sort of > > system hang > > xfs_fsr is waiting for a direct I/O to complete. > Other processes are waiting for the superblock I/O to compete > (which is why writes are hanging), an dothers are waiting > for iclog space to be freed up. I think something is holding > > off I/O completion, and this: > > possible SYN flooding on port 4664. Sending cookies. > > possible SYN flooding on port 4664. Sending cookies. > > possible SYN flooding on port 4664. Sending cookies. > > possible SYN flooding on port 4664. Sending cookies. > > possible SYN flooding on port 4664. Sending cookies. > > indicates someone trying a DOS on your box. Perhaps it's > succeeding by denying interrupt service to you disks? > > If you pull the network cable, does the system start to respond > properly again? There is no difference with and without network cable plugged in Other partitions on the same lvm2 volume with ext3 works without any problem so disks and sw raid seems to work how can I debug this problem? If needed I can recompile kernel to collect other info > > Cheers, > > Dave. -- Cordiali saluti Alessandro Bono