Re: [PATCH] x86/CPU/AMD: Clear RDRAND CPUID if Built-In-Self-Test failed on boot

[Borislav Petkov]

On April 29, 2026 6:57:56 PM UTC, Dmitry Safonov <dima@xxxxxxxxxx> wrote:
> What we have in Arista is
>family 0x15 and model 0x60. We don't use suspend/resume or hibernate
>on network switches for obvious reasons and in turn CONFIG_PM_SLEEP is
>not enabled. Yet, these CPUs do produce only zeros (for rdrand
>instruction) even on regular boot.

Yeah, that's weird. We're looking into why to figure out first what's going on.

Thanks for explaining.

-- 
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