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From: Laura Nao <laura.nao@collabora.com>
To: tglx@linutronix.de
Cc: kernel@collabora.com,
	laura.nao@collabora.com,
	linux-kernel@vger.kernel.org,
	regressions@leemhuis.info,
	regressions@lists.linux.dev,
	x86@kernel.org
Subject: Re: [REGRESSION] mainline boot regression on AMD Stoney Ridge Chromebooks
Date: Tue,  9 Apr 2024 12:07:36 +0200
Message-Id: <20240409100736.139489-1-laura.nao@collabora.com>
In-Reply-To: <87r0fg6ioe.ffs@tglx>
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Hi Thomas,

On 4/8/24 16:19, Thomas Gleixner wrote:
> Laura!
> 
> On Mon, Apr 08 2024 at 13:06, Laura Nao wrote:
>> Just tried that and it doesn't boot, nothing on the serial console (I
>> kept earlyprintk=ttyS0,115200 in the cmdline).
> 
> Thanks for trying. Now let's take a small step back.
> 
> Please reset the tree to:
> 
>        ace278e7eca6 ("x86/smpboot: Teach it about topo.amd_node_id")
> 
> That's the commit right before switching over and according to your
> bisect it works. Now apply the patch below, which just runs the new
> topology scan function but discards the result.
> 

The ace278e7eca6 revision with the patch you provided boots correctly.

Reference test job: https://lava.collabora.dev/scheduler/job/13311035#L1894

Thanks,

Laura