Re: Early boot regression from f0551af0213 ("x86/topology: Ignore non-present APIC IDs in a present package")

[Thomas Gleixner]

Lyude!

On Mon, May 13 2024 at 19:32, Lyude Paul wrote:
> Oh! I am not sure what changed, but I realized that you might also want to see
> the serial output from the debugging patch that you had sent me a while ago.
> So I just built that against the 6.9 kernel and it actually seems to boot
> without needing me to pass intremap=off. So it seems like that might actually
> be a fix!

Which one of the debug patches did you use?

>> Yes - it still boots. As well I finally got the serial console adapter in, but
>> I don't see any additional output:

That's fine, but now I can provide you debug patches which dump
information during early boot.

Can you please provide the output of 'cpuid -r' ?

Thanks,

        tglx