Received-SPF: pass (google.com: domain of linux-kernel+bounces-151018-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249;
From: Thomas Gleixner <tglx@linutronix.de>
To: Lyude Paul <lyude@redhat.com>, Borislav Petkov <bp@alien8.de>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Early boot regression from f0551af0213 ("x86/topology: Ignore
 non-present APIC IDs in a present package")
In-Reply-To: <87plumxz4x.ffs@tglx>
References: <3d77cb89857ee43a9c31249f4eab7196013bc4b4.camel@redhat.com>
 <20240418082703.GCZiDZVyra7qOQbyqn@fat_crate.local>
 <fd040809d95b3e12b2fdc78a2409e187716bc66f.camel@redhat.com>
 <87plumxz4x.ffs@tglx>
Date: Fri, 19 Apr 2024 07:37:45 +0200
Message-ID: <87y199x68m.ffs@tglx>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain

On Thu, Apr 18 2024 at 21:13, Thomas Gleixner wrote:
> On Thu, Apr 18 2024 at 13:20, Lyude Paul wrote:
>
>> Just gave it a try, unfortunately I'm still seeing the same result on
>> that branch.
>>
>> One more piece of information I apparently missed when reporting this
>> yesterday btw: I noticed one more kernel message that comes before the
>> panic that's probably relevant:
>>
>> ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>
> Can you please apply the debug patch below which should make it boot
> again.

And provide the resulting dmesg obviously.

> Please also provide the output of the files underneath of
>
>        /sys/kernel/debug/x86/topo/
>
> Thanks,
>
>         tglx