From: Dave Chinner <david@fromorbit.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Alessandro Bono <alessandro.bono@gmail.com>,
linux-xfs <linux-xfs@oss.sgi.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: XFS kernel BUG at fs/buffer.c:470! with 2.6.28.4
Date: Tue, 10 Feb 2009 21:43:04 +1100 [thread overview]
Message-ID: <20090210104304.GP8830@disturbed> (raw)
In-Reply-To: <20090209075308.GA7360@infradead.org>
On Mon, Feb 09, 2009 at 02:53:08AM -0500, Christoph Hellwig wrote:
> On Sun, Feb 08, 2009 at 11:45:20PM +0100, Alessandro Bono wrote:
> > sure, attached
>
> That would be a missing PagePrivate bit in page_buffers() called from
> end_buffer_async_write. PG_private can only be cleared via drop_buffers
> which requires the page not having PG_writeback set which must be
> set until end_buffer_async_write is done. Very strange, and all this
> is generic code without xfs involvement. Did this happen once
> or can you reproduce it?
Hmmmm - i wonder if this has anything to do with the writeback fixes
that went into 2.6.28.2? Alessandro, can you revert to 2.6.28.1 (not
plain 2.6.28) and see if you can reproduce the problem?
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2009-02-10 10:43 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-07 13:06 XFS kernel BUG at fs/buffer.c:470! with 2.6.28.4 Alessandro Bono
2009-02-08 22:16 ` Dave Chinner
2009-02-08 23:24 ` Alessandro Bono
2009-02-09 10:33 ` Peter Zijlstra
2009-02-08 22:28 ` Christoph Hellwig
2009-02-08 22:39 ` Alessandro Bono
2009-02-08 22:42 ` Christoph Hellwig
2009-02-08 22:45 ` Alessandro Bono
2009-02-09 2:52 ` Eric Sandeen
2009-02-09 2:53 ` Eric Sandeen
2009-02-09 7:53 ` Christoph Hellwig
2009-02-09 9:02 ` Alessandro Bono
2009-02-10 10:43 ` Dave Chinner [this message]
2009-02-10 10:53 ` Alessandro Bono
2009-02-11 21:47 ` Alessandro Bono
2009-02-12 9:47 ` Alessandro Bono
2009-02-26 16:58 ` Jan Kara
2009-02-26 16:59 ` Jan Kara
2009-02-27 9:22 ` Alessandro Bono
2009-02-27 19:44 ` Alessandro Bono
2009-03-02 13:36 ` Jan Kara
2009-03-02 15:04 ` Alessandro Bono
2009-03-11 17:04 ` Alessandro Bono
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