Date: Sat, 19 Jan 2013 18:19:39 +0100 From: Xavier <xavierfreebsdquestions@gmail.com> To: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: laptop fan control via FreeBSD Message-ID: <CALe6D=sJLWAxgATWzh=iWTJPCaboiKDcON-oUTR11ch26F-O5A@mail.gmail.com> In-Reply-To: <20130119170436.e9dc8606.freebsd@edvax.de> References: <CALe6D=tWoetB1-_h7yLuH=rju9mHuQ_y5zYvAt8kL7snX2sVow@mail.gmail.com> <20130119151358.535d6b9f@fabiankeil.de> <CALe6D=uH5sm-q4i5Bs0OvshSKQjAdi1uxVy0jTxNViGxB38GTg@mail.gmail.com> <20130119170436.e9dc8606.freebsd@edvax.de>
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On Sat, Jan 19, 2013 at 05:04:36PM +0100, Polytropon wrote: Hi Polytropon, > On Sat, 19 Jan 2013 16:55:23 +0100, Xavier wrote: > > On Sat, Jan 19, 2013 at 03:13:58PM +0100, Fabian Keil wrote: > > > > Hi Fabian, > > > > > Xavier <xavierfreebsdquestions@gmail.com> wrote: > > > > > > > Is there any way to control the on and off the fan on a laptop using FreeBSD? > > > > > > It depends on the laptop. On mine it works: > > > > > > fk@r500 ~ $sysctl -ad | grep fan > > > dev.acpi_ibm.0.fan_speed: Fan speed > > > dev.acpi_ibm.0.fan_level: Fan level > > > dev.acpi_ibm.0.fan: Fan enable > > > > > > > My output of 'sysctl -ad | grep fan' don't show these parameters. Why ? > > Because, my BIOS don't support these aparameters ? Another answer ? > > For laptops, you usually load a kernel module for interfacing > with the specific ACPI functions, like acpi_ibm.ko. There are > several others, but see "man acpi_ibm" for some impressions. > Yes, but I have an acer Aspire 5634WLMi, and: % ls /boot/kernel/acpi* /boot/kernel/acpi_asus.ko /boot/kernel/acpi_panasonic.ko /boot/kernel/acpi_asus.ko.symbols /boot/kernel/acpi_panasonic.ko.symbols /boot/kernel/acpi_dock.ko /boot/kernel/acpi_sony.ko /boot/kernel/acpi_dock.ko.symbols /boot/kernel/acpi_sony.ko.symbols /boot/kernel/acpi_fujitsu.ko /boot/kernel/acpi_toshiba.ko /boot/kernel/acpi_fujitsu.ko.symbols /boot/kernel/acpi_toshiba.ko.symbols /boot/kernel/acpi_hp.ko /boot/kernel/acpi_video.ko /boot/kernel/acpi_hp.ko.symbols /boot/kernel/acpi_video.ko.symbols /boot/kernel/acpi_ibm.ko /boot/kernel/acpi_wmi.ko /boot/kernel/acpi_ibm.ko.symbols /boot/kernel/acpi_wmi.ko.symbols I don't have an acer kernel module for ACPI. Thanks, see you.
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