Re: XFS deadlock the second

To:	Stefan Priebe - Profihost AG <s.priebe@xxxxxxxxxxxx>
Subject:	Re: XFS deadlock the second
From:	Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date:	Tue, 25 Oct 2011 05:47:43 -0400
Cc:	"xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>, linux-mm@xxxxxxxxx
In-reply-to:	<4EA5504D.9090302@xxxxxxxxxxxx>
References:	<4EA5504D.9090302@xxxxxxxxxxxx>
User-agent:	Mutt/1.5.21 (2010-09-15)

On Mon, Oct 24, 2011 at 01:47:25PM +0200, Stefan Priebe - Profihost AG wrote:
> Hi,
> 
> today i received another deadlock while running all your patches.
> 
> Output sysrq + w:
> http://pastebin.com/raw.php?i=YZGV6hxm

I just one process waiting for memory allocation in the networking code,
and two in XFS waiting for a page to be unlocked.  One during read, so
defintively waitin for I/O,  the other in write_begin so probably as
well.  If this didn't go away after a while it seems like a VM balancing
issue to me.

> 
> Stefan
> 
> _______________________________________________
> xfs mailing list
> xfs@xxxxxxxxxxx
> http://oss.sgi.com/mailman/listinfo/xfs
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