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From: William Pitcock <nenolod@dereferenced.org>
To: Malcolm Scott <lkml@malc.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: XFS deadlock in 2.6.37
Date: Thu, 20 Jan 2011 11:27:30 -0600	[thread overview]
Message-ID: <20110120112730.393f6ff0@petrie> (raw)
In-Reply-To: <alpine.DEB.2.00.1101201702260.29071@callisto.malc.org.uk>

Hi,

On Thu, 20 Jan 2011 17:08:45 +0000 (GMT)
Malcolm Scott <lkml@malc.org.uk> wrote:

> Hi all,
> 
> I've had the following deadlock happen twice on a 2.6.37 system with
> several XFS filesystems (including root) and no swap (may be
> relevant, considering that kswapd is one task involved here).  Some
> minor filesystem corruption resulted (but maybe only because the root
> fs couldn't be synced/umounted).
> 

kswapd also handles swapping pages in and out of the filesystem cache
as part of the VM subsystem.  I have a hunch that if you do a bisect
of commits relating to the VM subsystem, you will find the commit that
is causing this.

Also, are you building with BKL enabled or disabled?

William

  reply	other threads:[~2011-01-20 17:27 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-20 17:08 Malcolm Scott
2011-01-20 17:27 ` William Pitcock [this message]
2011-01-21  5:28 ` [PATCH] " Dave Chinner
2011-01-25 17:13   ` Malcolm Scott

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