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From: Thomas Gleixner <tglx@linutronix.de>
To: "Linux regression tracking (Thorsten Leemhuis)" <regressions@leemhuis.info>
Cc: kernel@collabora.com, linux-kernel@vger.kernel.org,
 regressions@lists.linux.dev, Laura Nao <laura.nao@collabora.com>, the
 arch/x86 maintainers <x86@kernel.org>
Subject: Re: [REGRESSION] mainline boot regression on AMD Stoney Ridge
 Chromebooks
In-Reply-To: <09d67d1d-2c65-4872-b38e-665eda154339@leemhuis.info>
References: <20240328094433.20737-1-laura.nao@collabora.com>
 <20240328115015.36646-1-laura.nao@collabora.com>
 <09d67d1d-2c65-4872-b38e-665eda154339@leemhuis.info>
Date: Thu, 04 Apr 2024 15:01:32 +0200
Message-ID: <877chdb7tf.ffs@tglx>
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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.
>
>>> Do you have any insight on this issue or any suggestion on how to
>>> effectively debug this?
>>>
>>> Thank you!
>
> Hmmm, it looks like this did not make any progress. Thomas, did this
> fall through the cracks due to Easter, or is this this on your todo
> list?
>
> Or was there some progress and I just missed it?

No. It's in my easter eggs basket, but I need to eat all the chocolate
eggs first to get to this.

I'll have a look later today.

Thanks,

        tglx