linux-kernel - Re: [REGRESSION] mainline boot regression on AMD Stoney Ridge Chromebooks

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Date: Thu, 04 Apr 2024 15:05:13 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: "Linux regression tracking (Thorsten Leemhuis)" <regressions@...mhuis.info>
Cc: kernel@...labora.com, linux-kernel@...r.kernel.org,
 regressions@...ts.linux.dev, Laura Nao <laura.nao@...labora.com>, the
 arch/x86 maintainers <x86@...nel.org>
Subject: Re: [REGRESSION] mainline boot regression on AMD Stoney Ridge
 Chromebooks

Laura!

On Thu, Apr 04 2024 at 15:01, Thomas Gleixner wrote:
> On Thu, Apr 04 2024 at 10:24, Linux regression tracking wrote:
>> On 28.03.24 12:50, Laura Nao wrote:
>>>>
>>>> I ran a manual bisection to track down the root cause for this
>>>> regression and landed on the c749ce
>>>> commit from this series:
>>>> https://lore.kernel.org/all/20240212153625.145745053@linutronix.de/
>>
>> FWIW, that commit is c749ce393b8fe9 ("x86/cpu: Use common topology code
>> for AMD") from tglx that was part of the "x86/cpu: Rework topology
>> evaluation" series.

Can you please provide a boot dmesg from a 6.8 kernel and the output of
'cpuid' ?

Thanks,

        tglx