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 <20170903074306.GA8351@infradead.org>
From: =?UTF-8?B?0JzQuNGF0LDQuNC7INCT0LDQstGA0LjQu9C+0LI=?= <mikhail.v.gavrilov@gmail.com>
Date: Sun, 3 Sep 2017 19:08:54 +0500
Message-ID: <CABXGCsMmEvEh__R2L47jqVnxv9XDaT_KP67jzsUeDLhF2OuOyA@mail.gmail.com>
Subject: Re: kernel BUG at fs/xfs/xfs_aops.c:853! in kernel 4.13 rc6
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Sender: owner-linux-mm@kvack.org
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To: Christoph Hellwig <hch@infradead.org>
Cc: linux-xfs@vger.kernel.org, linux-mm@kvack.org

On 3 September 2017 at 12:43, Christoph Hellwig <hch@infradead.org> wrote:
>
> This is:
>
>         bh = head = page_buffers(page);
>
> Which looks odd and like some sort of VM/writeback change might
> have triggered that we get a page without buffers, despite always
> creating buffers in iomap_begin/end and page_mkwrite.
>
> Ccing linux-mm if anything odd happen in that area recently.
>
> Can you tell anything about the workload you are running?
>

On XFS partition stored launched KVM VM images, + home partition with
Google Chrome profiles.
Seems the bug triggering by high memory consumption and using swap
which two times larger than system memory.
I saw that it happens when swap has reached size of system memory.

--
Best Regards,
Mike Gavrilov.

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