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Date:   Tue, 28 Mar 2023 16:20:14 +0200
From:   Borislav Petkov <bp@alien8.de>
To:     David R <david@unsolicited.net>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>
Subject: Re: Panic starting 6.2.x and later 6.1.x kernels
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On Tue, Mar 28, 2023 at 12:02:57PM +0100, David R wrote:
> After more investigation :
> 
>     Revert "x86/acpi/boot: Do not register processors that cannot be onlined
> for x2APIC"
> 
>     This reverts commit ce7d894bed1a539a8d6cff42f6f78f9db0c9c26b.
> 
> Corrects the issue for me.

Hmm, weird. That commit came up already yesterday. But in conjunction
with qemu.

Does this fix it per chance?

https://lore.kernel.org/all/20230327191026.3454-2-eric.devolder@oracle.com/

You'd need to revert the revert and apply this one ontop.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette