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

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Message-Id: <20240328115015.36646-1-laura.nao@collabora.com>
Date: Thu, 28 Mar 2024 12:50:15 +0100
From: Laura Nao <laura.nao@...labora.com>
To: laura.nao@...labora.com
Cc: kernel@...labora.com,
	linux-kernel@...r.kernel.org,
	regressions@...ts.linux.dev,
	tglx@...utronix.de
Subject: Re: [REGRESSION] mainline boot regression on AMD Stoney Ridge Chromebooks

> Hi Thomas,
> 
> 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/
> 
> Do you have any insight on this issue or any suggestion on how to
> effectively debug this?
> 
> Thank you!
> 
> Laura

Hi again,

I actually forgot to quote the previous message describing the issue:

> KernelCI has identified a mainline boot regression [1] on the following
> AMD Stoney Ridge Chromebooks (grunt family), between v6.8 (e8f897) and
> v6.8-1185-g855684c7d938 (855684):
> - Acer Chromebook Spin 311 R721T (codename kasumi360)
> - HP Chromebook 14 (codename careena)
> - HP Chromebook 11A G6 EE (codename barla)
> 
> The kernel doesn't boot at all and nothing is reported on the serial
> console after "Starting kernel ...". The issue is still present on the
> latest mainline revision.
> The defconfig used by KernelCI for the boot tests can be found in [2].
> 
> Sending this report in order to track the regression while a fix is
> identified.
> 
> Thanks,
> 
> Laura
> 
> [1] https://linux.kernelci.org/test/case/id/65fca98e3883a392524c4380/
> [2]
> https://storage.kernelci.org/mainline/master/v6.8-11837-g2ac2b1665d3fb/x86_64/x86_64_defconfig%2Bx86-board/gcc-10/config/kernel.config

sorry about that!

Best,

Laura