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Date:   Sat, 7 Oct 2017 15:49:33 -0700
From:   Andy Lutomirski <luto@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Nadav Amit <nadav.amit@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [BUG] GPF on reboot of box

On Sat, Oct 7, 2017 at 6:36 AM, Steven Rostedt <rostedt@...dmis.org> wrote:
>
> [ Replying from an actual computer this time ]
>
> On Fri, 6 Oct 2017 19:21:26 -0700
> Nadav Amit <nadav.amit@...il.com> wrote:
>
>> IIRC, there was a problem in rc1, which should be resolved in newer rcs.
>> If you need to run rc1, you can try to use the kernel parameter “nopcid".
>
> I noticed the bug when I rebased my work on top of rc3 and started
> testing that. I only mentioned rc1 because that's the first tagged
> release that had the bug in it. If it is fixed in a later release, then
> great! But I don't see that as the case (I haven't tested work on top
> of rc3).
>
> I'd like to have this fixed without having to do workarounds like
> adding nopcid to the kernel command line. If it is a bug for me, I'm
> sure it's going to be a bug for many others that wont know how to
> complain about it.
>

Howdy, batman!  Can you try the attached patch?

View attachment "reboot.patch" of type "text/x-patch" (525 bytes)

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