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    SubjectRe: XFS kernel BUG at fs/buffer.c:470! with 2.6.28.4
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    On Tue, 2009-02-10 at 21:43 +1100, Dave Chinner wrote:
    > 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?

    no problem
    I'll try with 2.6.28.1 a full rsync (circa 210G)
    maybe I can do this today


    >
    > Cheers,
    >
    > Dave.
    --
    ---
    Cordiali Saluti
    Alessandro Bono



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