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Date: Wed, 1 Mar 2017 16:37:31 -0800
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: mm allocation failure and hang when running xfstests generic/269
 on xfs
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References: <20170301044634.rgidgdqqiiwsmfpj@XZHOUW.usersys.redhat.com>
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To: Xiong Zhou <xzhou@redhat.com>
Cc: linux-xfs@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org

On Wed, Mar 01, 2017 at 12:46:34PM +0800, Xiong Zhou wrote:
> Hi,
> 
> It's reproduciable, not everytime though. Ext4 works fine.

On ext4 fsstress won't run bulkstat because it doesn't exist.  Either
way this smells like a MM issue to me as there were not XFS changes
in that area recently.