On Tue, Feb 19, 2019 at 02:20:26PM +0100, Jan Kara wrote:

Thanks for information. Yeah, that makes somewhat more sense. Can you ever
see the failure if you disable CONFIG_TRANSPARENT_HUGEPAGE? Because your
findings still seem to indicate that there' some problem with page
migration and Alpha (added MM list to CC).

Could
https://lore.kernel.org/linux-mm/20190219123212.29838-1-larper@axis.com/T/#u (local)
be relevant?