linux-kernel - Re: 4.12 REGRESSION, 4.12 does not boot as VirtualBox guest

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Message-ID: <CA+55aFwz39tLVbda4zW1eOEBw53_x7UpAGMk8kNcZ0YTw07Syg@mail.gmail.com>
Date:   Sat, 10 Jun 2017 10:54:33 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Hans de Goede <hdegoede@...hat.com>, Ingo Molnar <mingo@...nel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        vbox-dev <vbox-dev@...tualbox.org>,
        "the arch/x86 maintainers" <x86@...nel.org>
Subject: Re: 4.12 REGRESSION, 4.12 does not boot as VirtualBox guest

On Fri, Jun 9, 2017 at 3:33 AM, Hans de Goede <hdegoede@...hat.com> wrote:
>
> Sorry for escalating this right up to you, but this issue
> does not seem to be getting any attention and I'm not sure
> which subsys maintainer to poke about this.

Looks like x86. Added people.

> The problem is that the 4.12-rc# kernels fail to boot on
> VirtualBox guests hosted on any machine with a Sky Lake
> (and probably also a Kaby Lake) CPU, for details see:
>
> https://bugzilla.kernel.org/show_bug.cgi?id=195961

It would probably help enormously if somebody who saw this did a
bisection. If nothing else, we might have the option to just revert
until the issue is figured out.

                Linus