Re: x86: AMD Zen2 ymm registers rolling back

From: Borislav Petkov
Date: Tue Feb 28 2023 - 15:56:22 EST


On Tue, Feb 28, 2023 at 10:29:23PM +0300, Alexander Monakov wrote:
> That I can reproduce the bug even with the latest BIOS,

Can you reproduce if you boot with

clearcpuid=xsaves

?

CONFIG_X86_FEATURE_NAMES must be enabled in your .config for that to
work.

Otherwise, try

clearcpuid=323

Thx.

--
Regards/Gruss,
Boris.

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