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

From	Andrei Vagin <avagin@gmail.com>
Newsgroups	linux.kernel
Subject	Re: linux-next: something wrong with 5-level paging
Date	2017-03-24 22:10 +0100
Message-ID	<toED7-7kH-11@gated-at.bofh.it> (permalink)
References	<tnyT7-8vM-1@gated-at.bofh.it> <tnA8y-18H-15@gated-at.bofh.it> <towmd-1pZ-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Fri, Mar 24, 2017 at 5:06 AM, Kirill A. Shutemov
<kirill@shutemov.name> wrote:
> 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

It works for me. Thanks.
https://travis-ci.org/avagin/linux/builds/214768664

>
> --
>  Kirill A. Shutemov

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linux-next: something wrong with 5-level paging Andrei Vagin <avagin@gmail.com> - 2017-03-21 21:50 +0100
  Re: linux-next: something wrong with 5-level paging Andrei Vagin <avagin@gmail.com> - 2017-03-21 23:10 +0100
    Re: linux-next: something wrong with 5-level paging "Kirill A. Shutemov" <kirill@shutemov.name> - 2017-03-24 13:20 +0100
      Re: linux-next: something wrong with 5-level paging Andrei Vagin <avagin@gmail.com> - 2017-03-24 22:10 +0100

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