From: Neil Brown <neilb@suse.de>
To: Chris Boot <bootc@bootc.net>
Date: Thu, 10 Nov 2005 09:23:36 +1100
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Message-ID: <17266.30440.930561.902428@cse.unsw.edu.au>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.14-mm1 RAID-1 in D< state
In-Reply-To: message from Chris Boot on Wednesday November 9
References: <4371FA5B.6030900@bootc.net>
Sender: linux-kernel-owner@vger.kernel.org
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On Wednesday November 9, bootc@bootc.net wrote:
> Hi all,
> 
> I haven't noticed this until today...but my load average has been 
> skyrocketing past 3.00 since Monday, which is when I upgraded to 
> 2.6.14-mm1. I've got 3 Software RAID-1 arrays across 4 SATA disks, and 
> all 3 processes are locked in an uninterruptible sleep.
> 
> What's interesting, though, is I haven't noticed a degradation of 
> performance at all, and all the arrays work absolutely fine. They aren't 
> rebuilding or doing anything strange that I can see.
> 
> Any ideas?

Can you
  echo t > /proc/sysrq-trigger
  dmesg > /tmp/log
and post the log created, possibly removing everything before
   SysRq : Show State

If you can't find the 'Show State', then maybe your log buffer isn't
big enough.  use 'dmesg -s ...' to make it bigger and try again.

NeilBrown
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