linux-kernel - Re: 4.17.x won't boot due to "x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G"

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Message-ID: <20180703083038.cxvyhq5vsxyeuyvu@black.fi.intel.com>
Date:   Tue, 3 Jul 2018 11:30:39 +0300
From:   "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:     Benjamin Gilbert <bgilbert@...hat.com>
Cc:     linux-x86_64@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Subject: Re: 4.17.x won't boot due to "x86/boot/compressed/64: Handle 5-level
 paging boot if kernel is above 4G"

On Mon, Jul 02, 2018 at 07:01:28PM +0000, Benjamin Gilbert wrote:
> On Mon, Jul 02, 2018 at 12:34:50PM +0300, Kirill A. Shutemov wrote:
> > Could you check if you can trigger the issue with my changes to config and
> > the way I run KVM?
> 
> Yes, the issue still triggers in that case.  I've also verified that the
> kernel boots normally with your qemu command if the commit is reverted.

Hm. What toolchain do you use?

-- 
 Kirill A. Shutemov