Re: mapcount corruption regression

[Dan Williams]

On Mon, Nov 30, 2020 at 5:20 PM Dan Williams <dan.j.williams@xxxxxxxxx> wrote:
>
> Kirill, Willy, compound page experts,
>
> I am seeking some debug ideas about the following splat:
>
> BUG: Bad page state in process lt-pmem-ns  pfn:121a12

Looks to be a similar signature that Yi Zhang is seeing:

http://lore.kernel.org/r/51e938d1-aff7-0fa4-1a79-f77ac8bb2f8b@xxxxxxxxxx