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

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Message-ID: <CALCETrW85=toRrxe5w6a+AFmpTygR24K7rbDyvbmMLSsMO80XQ@mail.gmail.com>
Date:   Mon, 25 Nov 2019 10:11:49 -0800
From:   Andy Lutomirski <luto@...nel.org>
To:     Pavel Machek <pavel@....cz>
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

On Mon, Nov 25, 2019 at 6:49 AM Pavel Machek <pavel@....cz> wrote:
>
> 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?