On Fri, Nov 24, 2017 at 08:29:42AM +0000, Reshetova, Elena wrote: > By looking at the code, I don't see where the change in the reference counting > could have caused this. The cause was the bug I identified in patch 3, not this patch.
The regression is easily hit - tables that reference the same underlying device more than once are very common. Alasdair
