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To: Stephen Montgomery-Smith <stephen@math.missouri.edu>
Cc: current@freebsd.org, acpi-jp@jp.FreeBSD.org
In-reply-to: Your message of "Mon, 18 Aug 2003 21:13:08 EST."
             <3F4187B4.9020504@math.missouri.edu>
From: User Takawata <takawata@axe-inc.co.jp>
Reply-To: acpi-jp@jp.FreeBSD.org
Precedence: list
Date: Tue, 19 Aug 2003 12:14:57 +0900
X-Sequence: acpi-jp 2600
Subject: [acpi-jp 2600] Re: ACPI on Tyan Motherboard
Sender: owner-acpi-jp@jp.FreeBSD.org
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X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+030814

In message <3F4187B4.9020504@math.missouri.edu>, Stephen Montgomery-Smith wrote
:
>I have a Tyan S2462 Thunder K7 motherboard.  I was hoping to get power-down to
>work.  So I installed FreeBSD current with ACPI enabled.  When I typed "shutdo
>wn 
>-p now" the computer halted, and then the video card switched off, and the fan
>s 
>kept running.  The computer was frozen - even the power-off power-on button 
>wouldn't work.
>
>Actually the power-off button doesn't work at all under FreeBSD-current.  (It 
>is 
>a soft power-off button that dmesg shows is detected by the OS.)
>
>I should add that power-down works great with Windows 2000.  Also, the power-o
>ff 
>button works properly with FreeBSD-stable.
>
>I am thinking that maybe I need to wait a few more months until ACPI is fully 
>debugged.  On the other hand, maybe you guys would like to work on this.  I ca
>n 
>send all info like dmesg, and the kernel configuration (which is basically 
>GENERIC with stuff removed, and SMP and pcm added, but actually it didn't work
> 
>with the generic kernel either.)
>
>Is it possible that power is cut to the CPU's, but not to the fans?  Is there 
>anyway to tell?
>
>Will I have to "program" the ACPI (that is take the output of acpidump and edi
>t it)?
>
>It does seem to me that ACPI is working in some form, just not properly.  If I
> 
>boot up with ACPI disabled, then it works just as in FreeBSD-stable, that is, 
>the power-off button works well.

Try

# sysctl hw.acpi.disable_on_poweroff=0


