[edk2-devel] [PATCH V2 0/6] Support 2 CpuMpPei/CpuDxe in One image

[Lendacky, Thomas via groups.io]

On 5/9/22 18:37, Xu, Min M wrote:
> On May 10, 2022 1:30 AM, Tom Lendacky wrote:
>>
>> On 5/9/22 07:44, Xu, Min M wrote:
>>> Gerd & Tom
>>> What are your comments about this patch-set?
>>
>> Hi Min,
>>
>> This appears to resolve the issue. I was able to boot a 64 vCPU guest in
>> legacy, SEV, SEV-ES and SEV-SNP modes without any asserts.
>>
>> I'm assuming that you were able to see the ASSERTs on your end and
>> validate, too?
>>
> Yes. I enable a 4 vCPU legacy guest and can see the ASSERTs. But it appears in a random rate so it missed in the CI.

Hmmm... I hadn't noticed it before, but I'm seeing the following message
from the Linux kernel for each AP being brought online:

APIC: Stale IRR: 00000000,00000000,00000000,00000000,00000000,00000000,00000001,00000000 ISR: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000

Let me investigate this further to see where this regression was
introduced.

Thanks,
Tom

> 
> Thanks
> Min


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