Re: 4.17.0-rc1 doesn't boot.

From: Mike Galbraith
Date: Tue Apr 17 2018 - 12:01:27 EST


On Tue, 2018-04-17 at 17:31 +0200, Borislav Petkov wrote:
> On Tue, Apr 17, 2018 at 05:21:30PM +0200, Jörg Otte wrote:
> > finished bisection.
> > 39114b7a743e6759bab4d96b7d9651d44d17e3f9 is the first bad commit
> > (x86/pti: Never implicitly clear _PAGE_GLOBAL for kernel image).
>
> Looks like you're not the only one:
>
> http://marc.info/?i=20180417150130.GA11166@xxxxxxxxxxxxxxxxxxxxxxxxxx

I'm hitting this too, but only with PREEMPT_RT. I put a bandaid on it
(tell pti_kernel_image_global_ok() to return true for PREEMPT_RT) while
waiting to see if it was really really as non-rt as it appeared to be.

-Mike