linux-kernel - Re: 4.17.0-rc1 doesn't boot.

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Message-ID: <1523980839.7093.1.camel@gmx.de>
Date:   Tue, 17 Apr 2018 18:00:39 +0200
From:   Mike Galbraith <efault@....de>
To:     Borislav Petkov <bp@...en8.de>,
        Jörg Otte <jrg.otte@...il.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>
Subject: Re: 4.17.0-rc1 doesn't boot.

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@ak-laptop.emea.nsn-net.net

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