From: Ian W MORRISON <ianwmorrison@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Bernhard Held <berny156@gmx.de>,
Mikulas Patocka <mpatocka@redhat.com>,
Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@kernel.org>,
chris@chris-wilson.co.uk, Doug Smythies <dsmythies@telus.net>
Subject: Re: [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT
Date: Fri, 2 Jun 2017 16:32:30 +1000 [thread overview]
Message-ID: <CAFXWsS9Cu45H=N=kmRWCosPYCzDyt4BW8N3dDFU_1Zz0h0qfOw@mail.gmail.com> (raw)
On 2 June 2017 at 00:48, Ian W MORRISON <ianwmorrison@gmail.com> wrote:
> On 6/1/17 5:49 PM, Ian W MORRISON wrote:
>> On 31 May 2017 at 10:53, Doug Smythies <dsmythies@telus.net> wrote:
>>> Note Before:
>>> I might not have the address list correct, as I have re-created this
>>> e-mail from the web page archive, having found the thread after bisecting the
>>> kernel.
>>>
>>> On 2017.05.29 18:50:57 -0400 (EDT) Mikulas Patocka wrote:
>>>> On Sun, 28 May 2017, Andy Lutomirski wrote:
>>>>> On Sun, May 28, 2017 at 11:18 AM, Bernhard Held <berny156@gmx.de> wrote:
>>>>>> Hi,
>>>>>>
>>>>>> this patch breaks the boot of my kernel. The last message is "Booting
>>>>>> the kernel.".
>>>
>>> It breaks my kernel boot also, and I know of at least two others with
>>> the same, or similar, problem as of kernel 4.12-rc3.
>>>
>>
>> Just to add that I cannot boot v4.12-rc3 kernel with any Intel Atom
>> (BYT and CHT) Intel Compute Sticks. Adding 'earlyprintk=efi' confirms
>> kernel panic with
>> [ 0.000000] Kernel panic - not syncing: x86/PAT: PAT enabled, but not
>> supported by secondary CPU
>>
>>
>> <snip>
>>
>
> Confirmed that following patch fixes boot of v4.12-rc3 for Intel Atom Compute Sticks:
>
> [PATCH] Fix X86_FEATURE_PAT regression bug
>
<snip>
And for the sake of completeness, the revert patch
(https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=x86/urgent)
also fixes the boot of v4.12-rc3 for Intel Atom Compute Sticks (as
expected and now tested - yay).
next reply other threads:[~2017-06-02 6:32 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-02 6:32 Ian W MORRISON [this message]
-- strict thread matches above, loose matches on Subject: below --
2017-05-31 0:53 [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT Doug Smythies
2017-06-01 7:49 ` Ian W MORRISON
2017-06-01 14:48 ` Ian W MORRISON
2017-04-18 19:07 [PATCH] X86: don't report PAT on CPUs that don't support it Mikulas Patocka
2017-05-24 10:21 ` [tip:x86/urgent] x86/PAT: Fix Xorg regression on CPUs that don't support PAT tip-bot for Mikulas Patocka
2017-05-28 18:18 ` Bernhard Held
2017-05-28 18:43 ` Andy Lutomirski
2017-05-29 22:50 ` Mikulas Patocka
2017-05-30 17:14 ` Dominik Brodowski
2017-05-30 17:59 ` Mikulas Patocka
2017-05-30 18:47 ` Dominik Brodowski
2017-05-30 19:30 ` Bernhard Held
2017-05-31 9:39 ` Junichi Nomura
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