Re: XFS deadlock fixed?

From: Christoph Hellwig
Date: Wed May 11 2011 - 12:34:13 EST


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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