linux-kernel - Re: XFS deadlock fixed?

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Date:	Wed, 11 May 2011 11:35:01 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Felipe Wilhelms Damasio - Taghos <felipewd@...hos.com.br>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: XFS deadlock fixed?

On Tue, May 10, 2011 at 12:40:07AM -0300, Felipe Wilhelms Damasio - Taghos wrote:
>     Hi Mr. Hellwig,
> 
>     I saw the XFS deadlock thread regarding 2.6.38:
> 
> http://www.linux.sgi.com/archives/xfs/2011-03/msg00185.html
> 
>     I'm seeing too in 2.6.38.4. A lot of
> 
> XFS: possible memory allocation deadlock in kmem_alloc (mode:0x250)

You're probably running into a different issue.  Any chance you can try
the attached patch to see where you're stuck exactly?

Also in case you're using slub (CONFIG_SLUB) can you check if it still
happens when using slab (CONFIG_SLAB) instead?

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