Re: question on ACPI documentation

earl.lapus@gmail.com (Earl Lapus) writes:

> I noticed that in the FreeBSD documentation, Chapter 11 `Configuration
> and Tuning`, section 11.16.3.3 `System Hangs (temporary or
> permanent)`,
> the sysctl tunable for disabling ACPI is `hint.apic.0.disabled="1"`.
> The acpi(4) man pages says that it's `hint.acpi.0.disabled="1"`.
> Is this a documentation typo?

They are similar acronyms, but distinct.  An APIC is an interrupt
controller, and disabling it can avoid problems with interrupt storms,
but is unlikely to affect power handling.

If you re-read that section of the Handbook, you will see that it
refers to disabling the APIC, not ACPI.
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