linux-kernel - Re: "bad pmd" errors + oops with KPTI on 4.14.11 after loading X.509 certs

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Message-ID: <alpine.DEB.2.20.1801040045510.1957@nanos>
Date:   Thu, 4 Jan 2018 00:46:08 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Andy Lutomirski <luto@...capital.net>
cc:     Benjamin Gilbert <benjamin.gilbert@...eos.com>,
        Ingo Molnar <mingo@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        x86@...nel.org, LKML <linux-kernel@...r.kernel.org>,
        linux-mm@...ck.org, stable@...r.kernel.org,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: "bad pmd" errors + oops with KPTI on 4.14.11 after loading X.509
 certs

On Wed, 3 Jan 2018, Andy Lutomirski wrote:
> > On Jan 3, 2018, at 2:58 PM, Thomas Gleixner <tglx@...utronix.de> wrote:
> >> On Wed, 3 Jan 2018, Thomas Gleixner wrote:
> >> 
> >>> On Wed, 3 Jan 2018, Benjamin Gilbert wrote:
> >>>> On Wed, Jan 03, 2018 at 11:34:46PM +0100, Thomas Gleixner wrote:
> >>>> Can you please send me your .config and a full dmesg ?
> >>> 
> >>> I've attached a serial log from a local QEMU.  I can rerun with a higher
> >>> loglevel if need be.
> >> 
> >> Thanks!
> >> 
> >> Cc'ing Andy who might have an idea and he's probably more away than I
> > 
> > s/away/awake/ just to demonstrate the state I'm in ...
> > 
> >> am. Will have a look tomorrow if Andy does not beat me to it.
> 
> Can you forward me more of the thread?

On the way.