linux-kernel - Re: Kernel 6.15-rc2 unable to boot on 32bit x86 with PAE

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Message-ID: <aAc-h1TJV7do7JXa@gmail.com>
Date: Tue, 22 Apr 2025 09:00:23 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Borislav Petkov <bp@...en8.de>
Cc: Qu Wenruo <quwenruo.btrfs@....com>,
	Linux Memory Management List <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Mike Rapoport <rppt@...nel.org>,
	Dave Hansen <dave.hansen@...el.com>, x86-ml <x86@...nel.org>
Subject: Re: Kernel 6.15-rc2 unable to boot on 32bit x86 with PAE


* Borislav Petkov <bp@...en8.de> wrote:

> On Fri, Apr 18, 2025 at 08:31:23PM +0930, Qu Wenruo wrote:
> > Hi,
> > 
> > Recently I'm testing a situation where highmem is involved, thus I'm
> > building the latest 32bit x86 with HIGHMEM and PAE, and run it inside a qemu
> > VM.
> 
> Does that fix it:
> 
> https://git.kernel.org/tip/1e07b9fad022e0e02215150ca1e20912e78e8ec1
> 
> ?

That commit caused other problems - the best fix we have right now is:

	https://git.kernel.org/tip/83b2d345e1786fdab96fc2b52942eebde125e7cd

Thanks,

	Ingo