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SubjectRe: [PATCH v3 0/9] Parallel CPU bringup for x86_64
On 4/21/22 05:00, Mimoja wrote:
> Dear Paul,
>
>> Sorry for replying so late. I saw your v4 patches, and tried commit
>> 5e3524d21d2a () from your branch `parallel-5.17-part1`. Unfortunately,
>> the boot problem still persists on an AMD Ryzen 3 2200 g system, I
>> tested with. Please tell, where I should report these results too (here
>> or posted v4 patches).
>
> We have confirmed the issue on multiple AMD CPUs from multiple
> generations, leading to the guess that only Zen and Zen+ CPU seem affected
> with Zen3 and Zen2 (only tested ulv) working fine. Tho we struggled to get
> any output as the failing machines just go silent.
>
> Not working:
>
> Ryzen 5 Pro 2500u and 7 2700U
> Ryzen 3 2300G
>
> while e.g.
>
> Ryzen 7 Pro 4750U
> Ryzen 9 5950X
>
> both work fine. We will continue to investigate the issue but are
> currently a bit pulled into other topics.
>
> Thomas, could please maybe help us identify which CPUs and MC-Versions are
> worth looking at? David suggested you might have a good overview here.

Sorry, but not knowing what the actual reason for the boot problem, I
really couldn't give you an idea as to which CPUs and/or MC versions are
appropriate to look at.

Thanks,
Tom

>
>
> Best regards
>
> Johanna "Mimoja"
>

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