linux-kernel - Re: linux-next: something wrong with 5-level paging

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Message-ID: <20170324120625.osoqp63x3sukijgj@node.shutemov.name>
Date:   Fri, 24 Mar 2017 15:06:25 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Andrei Vagin <avagin@...il.com>
Cc:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org
Subject: Re: linux-next: something wrong with 5-level paging

On Tue, Mar 21, 2017 at 03:03:20PM -0700, Andrei Vagin wrote:
> Hi,
> 
> I reproduced it locally. This kernel doesn't boot via kexec, but it
> can boot if we set it via the qemu -kernel option. Then I tried to
> boot the same kernel again via kexec and got a bug in dmesg:
> [ 1252.014292] BUG: unable to handle kernel paging request at ffffd204f000f000
> [ 1252.015093] IP: ident_pmd_init.isra.5+0x5a/0xb0
> [ 1252.015636] PGD 0

Sorry for this.

http://lkml.kernel.org/r/20170324120458.nw3fwpmdptjtj5qb@node.shutemov.name

-- 
 Kirill A. Shutemov