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Date:      Sat, 16 Sep 2006 18:05:48 +1000
From:      "Wei Hu" <feelingwei@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: The fan is always on, even when the desktop is rather cool
Message-ID:  <b845e4900609160105iff19828v5beb609a887b3037@mail.gmail.com>
In-Reply-To: <200609152305.37375.daeg@houston.rr.com>
References:  <b845e4900609151610y7bced70rab649faccb766f7f@mail.gmail.com> <200609152305.37375.daeg@houston.rr.com>

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Thanks David, I checked this page. now if I do:
$ sysctl hw.acpi
hw.acpi.supported_sleep_state: S1 S3 S4 S5
hw.acpi.power_button_state: S5
hw.acpi.sleep_button_state: S1
hw.acpi.lid_switch_state: NONE
hw.acpi.standby_state: S1
hw.acpi.suspend_state: S3
hw.acpi.sleep_delay: 1
hw.acpi.s4bios: 0
hw.acpi.verbose: 0
hw.acpi.reset_video: 1
hw.acpi.cpu.cx_supported: C1/0
hw.acpi.cpu.cx_lowest: C1
hw.acpi.cpu.cx_usage: 100.00%

and if i do
#sudo acpiconf -s 5 OR #sudo acpiconf -s 1
nothing happens.

Can I reinstall acpi, if yes, how can i do it? thanks.

On 9/16/06, David J Brooks <daeg@houston.rr.com> wrote:
> On Friday 15 September 2006 18:10, Wei Hu wrote:
> > I have 3 systems in my desktop:
> > 1) When FreeBSD runs, my desktop fans are always running, and this
> > make annoy noisy.
> > 2) However when Debian runs, the fan eventually stops unless I am
> > performing a load intensive task.
> > 3) In Windows, the fan is almost always off.
> > I tried to use acpi and apm, but they are for laptop.(?)
> > In Freebsd, how can I control the cooling fans or how can the system
> > turns the fans off when the load is not heavy.
> > Any help would be greatly appreciated.
>
> It sounds like a broken ACPI code to me. Check the handbook chapter on
> debugging ACPI:
>
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/acpi-debug.html
>
> David



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