From: Thomas Gleixner <tglx@linutronix.de>
To: Laura Nao <laura.nao@collabora.com>
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: Mon, 08 Apr 2024 10:20:34 +0200 [thread overview]
Message-ID: <87zfu46zal.ffs@tglx> (raw)
In-Reply-To: <87msq797pf.ffs@tglx>
Laura!
On Fri, Apr 05 2024 at 16:59, Thomas Gleixner wrote:
> On Fri, Apr 05 2024 at 15:58, Laura Nao wrote:
>> On 4/5/24 15:38, Thomas Gleixner wrote:
>>>
>>> Can you please boot a working kernel and provide the output of:
>>>
>>> # rdmsr 0xc0011005
>>
>> # rdmsr 0xc0011005
>> 2fabbfff2fd3fbff
>
> Ok. So the CPU does not advertise FEATURE_TOPOEXT which is consistent
> with CPUID.
>
> Now I'm even more puzzled because then the patch I gave you should make
> a difference. I need to run some errands now, I will provide a debug
> patch later this evening.
Hmm. No real good idea yet.
Can you please checkout
c749ce393b8f ("x86/cpu: Use common topology code for AMD")
and apply the patch further up in the thread and see whether that
boots. We'll take it from there.
Thanks,
tglx
next prev parent reply other threads:[~2024-04-08 8:20 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-22 17:52 [REGRESSION] mainline boot regression on AMD Stoney Ridge Chromebooks Laura Nao
2024-03-28 9:44 ` Laura Nao
2024-03-28 11:50 ` Laura Nao
2024-04-04 8:24 ` Linux regression tracking (Thorsten Leemhuis)
2024-04-04 9:26 ` Laura Nao
2024-04-04 13:01 ` Thomas Gleixner
2024-04-04 13:05 ` Thomas Gleixner
2024-04-04 15:23 ` Laura Nao
2024-04-04 16:14 ` Thomas Gleixner
2024-04-04 18:06 ` Thomas Gleixner
2024-04-04 19:14 ` Thomas Gleixner
2024-04-04 20:05 ` Thomas Gleixner
2024-04-05 8:14 ` Laura Nao
2024-04-05 8:42 ` Thomas Gleixner
2024-04-05 10:32 ` Laura Nao
2024-04-05 13:38 ` Thomas Gleixner
2024-04-05 13:58 ` Laura Nao
2024-04-05 14:59 ` Thomas Gleixner
2024-04-08 8:20 ` Thomas Gleixner [this message]
2024-04-08 11:06 ` Laura Nao
2024-04-08 14:19 ` Thomas Gleixner
2024-04-09 10:07 ` Laura Nao
2024-04-09 12:25 ` Thomas Gleixner
2024-04-10 8:15 ` Laura Nao
2024-04-10 13:57 ` Thomas Gleixner
2024-04-10 16:11 ` Laura Nao
2024-04-10 19:34 ` Thomas Gleixner
2024-04-10 19:45 ` [patch 0/2] x86/cpu/amd: Fixup the topology rework fallout Thomas Gleixner
2024-04-10 19:45 ` [patch 1/2] x86/cpu/amd: Make the CPUID 0x80000008 parser correct Thomas Gleixner
2024-04-11 12:45 ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2024-04-12 10:12 ` tip-bot2 for Thomas Gleixner
2024-04-10 19:45 ` [patch 2/2] x86/cpu/amd: Make the NODEID_MSR union actually work Thomas Gleixner
2024-04-11 12:45 ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2024-04-12 10:12 ` tip-bot2 for Thomas Gleixner
2024-04-11 11:27 ` [patch 0/2] x86/cpu/amd: Fixup the topology rework fallout Laura Nao
2024-04-11 11:37 ` Linux regression tracking (Thorsten Leemhuis)
2024-04-11 12:14 ` Thomas Gleixner
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