On Sat, 2017-02-11 at 18:50 +0800, Herbert Xu wrote: > On Wed, Feb 01, 2017 at 10:45:02AM -0800, Tim Chen wrote: > > > > > > One theory that Mehga and I have is that perhaps the flusher > > and regular computaion updates are stepping on each other. > > Can you try this patch and see if it helps? > Patch applied. Thanks. Herbert, Megha is now able to create a test set up that produce similar problem reported by Dmitry. This patch did not completely fix it. So maybe you can hold off on merging this patch to the mainline till we can develop a more complete fix. Thanks. Tim