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Date: Fri, 28 May 2004 10:34:16 -0700 (PDT)
From: Nate Lawson <nate@root.org>
To: Mike Hunter <mhunter@ack.Berkeley.EDU>
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cc: Joseph Davida <jd10008@yahoo.com>
cc: current@freebsd.org
Subject: Re: Disabling acpi
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>> I tried to
>> set hint.acpi.0.disabled=1
>> and then, boot -s
>> to no avail. kernel crashes.
>
>You'll need to type 6 to use the boot loader.  Then, type "unset
>acpi_load" to disable acpi.  Then, type "boot -s" to boot single-user.

If booting multiuser with acpi disabled causes a crash, then how can this
be caused by ACPI?

In any case, read the handbook and the acpi man page:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/acpi-debug.html

-Nate