On Wed, May 11, 2016 at 11:19:30AM +0200, Jan Kara wrote:
> On Tue 10-05-16 16:39:37, Ross Zwisler wrote:
> > On Tue, May 10, 2016 at 02:30:03PM -0600, Ross Zwisler wrote:
> > > On Tue, May 10, 2016 at 05:28:14PM +0200, Jan Kara wrote:
> > > > On Mon 09-05-16 11:38:28, Jan Kara wrote:
> > > > Somehow, I'm not able to reproduce the warnings... Anyway, I think I see
> > > > what's going on. Can you check whether the warning goes away when you
> > > > change the condition at the end of page_cache_tree_delete() to:
> > > >
> > > > if (!dax_mapping(mapping) && !workingset_node_pages(node) &&
> > > > list_empty(&node->private_list)) {
> > >
> > > Yep, this took care of both of the issues that I reported. I'll restart my
> > > testing with this in my baseline, but as of this fix I don't have any more
> > > open testing issues. :)
> >
> > Well, looks like I spoke too soon. The two tests that were failing for me are
> > now passing, but I can still create what looks like a related failure using
> > XFS, DAX, and the two xfstests generic/231 and generic/232 run back-to-back.
>
> Hum, full xfstests run completes for me just fine. Can you reproduce the
> issue with the attached debug patch? Thanks!
Here's the resulting debug:
[ 212.541923] Wrong node->count 244.
[ 212.542316] Host sb pmem0p2 ino 2097257
[ 212.542696] Node dump: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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