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From: John Baldwin <jhb@freebsd.org>
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Date: Tue, 10 Apr 2007 12:22:41 -0400
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Cc: Ilmars Virpa <ilmars.virpa@gmail.com>
Subject: Re: PC randomly freezes after 4.x upgrade to 6.x. How to disable
	acpi completely?
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On Friday 06 April 2007 02:43, Ilmars Virpa wrote:
> Hello!
> 
> I upgraded my customer's FreeBSD from 4.x to 6.x series, but now the
> PC ranodmly freezes (at least once in 24h) and needless to say
> customer is very angry. I guess it could be related to ACPI (because
> I've changed almost every part of hardware) so I want to disable it,
> but how?
> 
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/acpi-overview.html
> says:
>   "ACPI can be disabled with the acpiconf(8) utility."
> But I somehow don't see any option in acpiconf(8) how to disable ACPI.
> 
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/acpi-debug.html says:
>   "hint.apic.0.disabled="1" in loader.conf."

That disables APIC.  To disable ACPI use 'hint.acpi.0.disabled=1'

-- 
John Baldwin