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Date: Wed, 28 Jun 2017 07:49:13 +0300 (EEST)
From: Meelis Roos <mroos@linux.ee>
To: Borislav Petkov <bp@alien8.de>
cc: Linux Kernel list <linux-kernel@vger.kernel.org>, x86@kernel.org
Subject: Re: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47
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> > > > This is 4.12.0-rc5-00137-ga090bd4ff838 on a dual AthlonMP server tha has 
> > > > been running fine until 4.11.0 included. 4.12.0-rc5-00137-ga090bd4ff838 
> > > > was the first kernel after 4.11 that I tried and the problem happened 
> > > > while compiling next kernel from git.
> > > 
> > > I can't reproduce this in a guest. Can you send .config please?
> > 
> > Here it is.
> 
> Thanks.
> 
> So plain 4.12.0-rc7 booted all the way in the athlon guest here. So I
> either can't reproduce in the guest or I need to try linux-next. Well,
> tomorrow...

It booted on my physical machine too, and trouble happened during 
compilation on both CPUs with make -j2.

On next try it just rebooted.

-- 
Meelis Roos (mroos@linux.ee)