On 9/1/23 23:59, Hugh Dickins wrote: > I just took a look at your dmesg in bugzilla: I see lots of page tables > dumped, including "ESPfix Area", and think you're hitting my screwup: see > > https://lore.kernel.org/linux-mm/CABXGCsNi8Tiv5zUPNXr6UJw6qV1VdaBEfGqEAMkkXE3QPvZuAQ@xxxxxxxxxxxxxx/ > > Please give the patch from the end of that thread a try: Thanks, Hugh. I tried a random commit from Linus's tree that didn't boot for me earlier. Applying your fix allowed me to boot! I still can't boot Linus's _current_ tree with your patch in it, but that looks like another failure mode altogether.