Messages in this thread | | | Date | Sat, 3 Jan 2009 16:44:43 -0500 | From | Christoph Hellwig <> | Subject | Re: BUG: soft lockup - is this XFS problem? |
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On Tue, Dec 30, 2008 at 05:23:33AM +0100, Nick Piggin wrote: > 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...
See http://oss.sgi.com/bugzilla/show_bug.cgi?id=805
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