[Bug 234733] Setting CPU frequency with sysctl dev.cpu.0.fr slows a Ryzen 2700X down

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Sat Jan 25 07:21:55 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234733

--- Comment #6 from Conrad Meyer <cem at freebsd.org> ---
Over on bug 234455 comment #9, schaiba at gmail reports tuning
debug.acpi.disabled="thermal" to fix Ryzen getting stuck in low P-states.  I
think that suggests buggy BIOS, since the ACPI thermal implementation is
supplied by the firmware.

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