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From: Pavel Tatashin <pasha.tatashin@oracle.com>
Date: Sun, 7 Jan 2018 09:17:15 -0500
Message-ID: <CAOAebxsBVTyS2gSXh4c-g1b8Lvjv9MBG3Wjr_AC+LJpMLHRqEA@mail.gmail.com>
Subject: Re: [PATCH 4.4 00/37] 4.4.110-stable review
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Andy Lutomirski <luto@kernel.org>, Hugh Dickins <hughd@google.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Thomas Voegtle <tv@lio96.de>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Shuah Khan <shuahkh@osg.samsung.com>, patches@kernelci.org,
        Ben Hutchings <ben.hutchings@codethink.co.uk>,
        lkft-triage@lists.linaro.org, stable <stable@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org

Hi Greg,

I cloned and built suse12, and it does not have issues with EFI + PTI
(kaiser) on my machine.

BTW, i have also reproduced this problem on another machine with the
same configuration, therefore, it is not specific only to one box.
Also, as I mentioned earlier I am seeing the same issue with 4.1 +
kaiser patches taken from 4.4.110.

Thank you,
Pavel

On Sun, Jan 7, 2018 at 5:45 AM, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
> On Fri, Jan 05, 2018 at 04:03:54PM -0500, Pavel Tatashin wrote:
>> The hardware works :) I meant that before the patch linked in
>> https://lkml.org/lkml/2018/1/5/534, I was never able to boot 4.4.110. But
>> with that patch applied, I was able to boot it at least once, but it could
>> be accidental. The hang/panic does not happen at the same time on every
>> boot.
>
> Any chance you can grab the latest SLES 12 kernel and run it with pti
> and efi enabled to see if that works properly for you or not?  I trust
> SUSE's testing of their kernel, and odds are I'm just missing one of
> their many other patches they have in their tree for other issues that
> they have seen in the past.
>
> If you want, I can just send you the full patch that they run on top of
> the latest 4.4 stable tree, so you don't have to dig it out of their git
> repo if you can't find the binary image.
>
> thanks,
>
> greg k-h