Re: Kernel 6.9 regression: X86: Bogus messages from topology detection

From: Christian Heusel
Date: Mon May 27 2024 - 17:48:26 EST


Hey Peter,

On 24/05/27 11:15PM, Peter Schneider wrote:
>
> I want to add one thing: there is a log entry in the dmesg output of a "bad"
> kernel, which I initially overlooked, because it is way up, and I noticed
> this just now. I guess this might be relevant:
>
> [ 1.683564] [Firmware Bug]: CPU0: Topology domain 0 shift 1 != 5
>
> This does not appear in the 6.8 kernel dmesg.
>

I also can't comment on whether this is relevant or not, but I have
noticed this in more places:

- https://bugzilla.kernel.org/show_bug.cgi?id=218879
- https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/issues/57

Cheers,
Chris

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