Using TSC without disabling ACPI

Lowell Gilbert freebsd-questions-local at
Thu Mar 22 14:56:43 UTC 2007

"Vlad GALU" <dudu at> writes:

>     Hello list, I've been trying to use TSC without disabling ACPI
> and I failed. Is there a way I can achieve that? As long as ACPI was
> in use, the system always chose ACPI-fast.

It varies a bit with the FreeBSD version, but did you try setting the
kern.timecounter.hardware sysctl?

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