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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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