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Date: Tue, 30 Dec 2008 05:23:33 +0100 From: Nick Piggin <npiggin@...e.de> To: Christoph Hellwig <hch@...radead.org> Cc: Roman Kononov <kernel@...onov.ftml.net>, linux-kernel@...r.kernel.org, xfs@....sgi.com Subject: Re: BUG: soft lockup - is this XFS problem? On Tue, Dec 23, 2008 at 12:12:59PM -0500, Christoph Hellwig wrote: > > Nick, I've seen various reports like this by Roman. It seems to be > caused by an interaction of the lockless pagecache with the xfs > I/O code. Any idea what might be wrong here: Hmm, it could get into a loop here if there is a page in the pagecache with a zero refcount, which might be a problem with XFS... other looping conditions might indicate a problem iwth lockless pagecache or radix tree. It would be very helpful to know what condition it is looping on... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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