linux-kernel - Re: next-20191119 on x86-32: fails to boot -- NX protecting kernel data, then oops

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Message-ID: <20191126090826.4ekii5stepqknfjp@ucw.cz>
Date:   Tue, 26 Nov 2019 10:08:26 +0100
From:   Pavel Machek <pavel@....cz>
To:     Andy Lutomirski <luto@...nel.org>
Cc:     kernel list <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, X86 ML <x86@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: next-20191119 on x86-32: fails to boot -- NX protecting kernel
 data, then oops

Hi!

> > Machine is thinkpad x60, that's x86-32. It fails to boot:
> >
> > EIP: ptdump_pte_entry+0x9
> >
> > call trace
> > ? ptdump_pmd_entry
> > walk_pgd_range
> > ...
> > mark_rodata_ro
> > ? rest_init
> > kernel_init
> >
> 
> Can you send a .config?

Provided in separate email. Let me know if you need something else.

Do you have x86-32 configs that work with -next?

Best regards,
								Pavel