On Mon, Mar 05, 2012 at 10:40:12PM +0100, Rafał Kupka wrote: > On Sat, 2012-03-03 at 06:44 -0500, Christoph Hellwig wrote: > > On Sat, Mar 03, 2012 at 12:37:07PM +0100, Rafa?? Kupka wrote: > > > On Fri, 2012-03-02 at 05:43 -0500, Christoph Hellwig wrote: > Hi, > > I've completed bisection process. It looks like kernel up to > > 704b2907 "xfs: register the inode cache shrinker before quotachecks" > > is good and first bad commit is: > > 0e6e847f "xfs: stop using the page cache to back the buffer cache" Which changed internals of the buffer cache, but not the external interfaces. > I double tested it - 704b2907 can do 60+ loops of xfsdump without any > trouble and 0e6e847f breaks in <10 iterations. What is your test case? Also, it might be worthwhile to capture an event trace (e.g. all the xfs_buf events) to see what occurs just before the error is triggered. That might tell us exactl what sequence has occurred leading up to the error. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs