On Tue, Nov 28, 2017 at 06:59:01PM +0800, Zhang Rui wrote: > > > > > My Surface Pro 4 is unable to boot after 4.12. The symptom is
> yes. Tried 4.4 distro and 4.12 vanilla kernel, kernel always freezes > with boot option "notscdeadline"/"lapic=notscdeadline". Then for some mysterious reason, your Surface thing has a borked LAPIC. No idea how or why..
