On Wed, May 04, 2011 at 12:57:36AM +0000, Jamie Heilman wrote: > Dave Chinner wrote: > > OK, so the common elements here appears to be root filesystems > > with small log sizes, which means they are tail pushing all the > > time metadata operations are in progress. Definitely seems like a > > race in the AIL workqueue trigger mechanism. I'll see if I can > > reproduce this and cook up a patch to fix it. > > Is there value in continuing to post sysrq-w, sysrq-l, xfs_info, and > other assorted feedback wrt this issue? I've had it happen twice now > myself in the past week or so, though I have no reliable reproduction > technique. Just wondering if more data points will help isolate the > cause, and if so, how to be prepared to get them. Not really. I think I know where the problem lies, but I currently lack a reproducer. There's also been another regression I've only just got to the bottom of, so I haven't really had a chance to focus properly on this one yet. Log space hangs like this have historically been difficult to reproduce reliably.... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
