linux-kernel - Re: Early boot regression from f0551af0213 ("x86/topology: Ignore non-present APIC IDs in a present package")

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Message-ID: <c735dcc6f6e4d4074bc834fba7204e22779e9ab9.camel@redhat.com>
Date: Wed, 05 Jun 2024 19:15:44 -0400
From: Lyude Paul <lyude@...hat.com>
To: Thomas Gleixner <tglx@...utronix.de>, "Linux regression tracking
 (Thorsten Leemhuis)" <regressions@...mhuis.info>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org, Mario Limonciello
	 <mario.limonciello@....com>, Borislav Petkov <bp@...en8.de>, Linux kernel
 regressions list <regressions@...ts.linux.dev>
Subject: Re: Early boot regression from f0551af0213 ("x86/topology: Ignore
 non-present APIC IDs in a present package")

On Wed, 2024-05-29 at 00:43 +0200, Thomas Gleixner wrote:
> Lyude!
> 
> On Thu, May 23 2024 at 12:47, Thomas Gleixner wrote:
> > Something I wanted to ask before. Is the BIOS of that machine up to
> > date?
> 
> Any update on this? I really don't want to add magic workarounds if
> there is a BIOS update which fixes it.

OK - just booted a normal kernel up after updating the BIOS and you're
right - that does appear to solve the problem :). Thank you!

> 
> Thanks,
> 
>         tglx
> 

-- 
Cheers,
 Lyude Paul (she/her)
 Software Engineer at Red Hat