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: <20240418082703.GCZiDZVyra7qOQbyqn@fat_crate.local>
Date: Thu, 18 Apr 2024 10:27:03 +0200
From: Borislav Petkov <bp@...en8.de>
To: Lyude Paul <lyude@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: Early boot regression from f0551af0213 ("x86/topology: Ignore
 non-present APIC IDs in a present package")

On Wed, Apr 17, 2024 at 05:21:43PM -0400, Lyude Paul wrote:
> Hi! I just wanted to let you know that one of the desktops I use for
> testing no longer seems to boot after this commit (just finished
> bisecting and confirming). The machine hangs before it gets to fbcon,
> and the error I'm seeing in the early boot console is as such:
> 
>    Kernel panic - not syncing: timer doesn't work through Interrupt-remapped IO-APIC
>    CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.8.0-rc5Lyude-Test+ #20
>    Hardware name: MSI MS-7A39/A320M GAMING PRO (MS-7A39), BIOS 1.10 01/22/2019

Looks like an AMD chipset. Thomas did fix some fallout from the topo
rework on AMD, can you test the tip/master branch pls?

https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/

Thx.

-- 
Regards/Gruss,
    Boris.

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