cvs commit: src/sys/dev/acpi_support acpi_ibm.c

Arne Schwabe arne at rfc2549.org
Sun Jan 15 08:57:59 PST 2006


Kris Kennaway wrote:
> On Fri, Jan 13, 2006 at 04:52:06PM -0800, Nate Lawson wrote:
>
>   
>> Thanks for adding support for this but it should be noted that this can 
>> be very dangerous.  If your userland app tries to control the fanspeed 
>> and dies, your system could overheat.  Hopefully, the BIOS will override 
>> the user settings if the temp gets too high but that is a longshot when 
>> mucking with things at this low level.
>>     
>
> We can market it as a security feature: "Thermal self-destruct"!
>   
Nah! Won't work. At least my Thinkpad power down off hard if getting
really too hot. (I once put my thinkpad in my bag without shutting down)

Arne


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