mac mini extremely hot when using i915kms

[黄文辉]

在 2012-10-26，18:27，Erich Dollansky <erichfreebsdlist at ovitrap.com> wrote：

> Hi,
>
> On Fri, 26 Oct 2012 18:09:06 +0800
> 黄文辉 <huanghwh at gmail.com> wrote:
>
>> 在 2012-10-26，17:56，Erich Dollansky
>> <erich at alogreentechnologies.com> wrote：
>>
>>> Hi,
>>>
>>> On Fri, 26 Oct 2012 17:28:19 +0800
>>> Huang Wen Hui <huanghwh at gmail.com> wrote:
>>>
>>>> Hi,
>>>> I am run 9.1-RC2 under mac mini(A1347), powerd aslo run,
>>>> Without i915kms running,  cpu temperature is very low:
>>>> % sysctl -a|grep temperature
>>>
>>> can you also show the CPU speed? If powerd does not manage to get
>>> the CPU clock down the temperature will rise.
>>>
>> This is 2.0G CPU, CPU speed is 100Mhz when CPU is idle and powerd is
>> running.
>
> and the temperature is that high then?
Yes, the fan is working very hard...
>
> What happens if you run Mac OS X on the same machine?
>
>From the iStat pro under Mac OS X,  the CPU temperature is about 45.0C.
> I wonder that the machine can get that hot when the clock is this low.
> There might be some other problem with the machine.
>
> I wonder why this happens only with i915 loaded.
When I start gnome2, i915kms loaded automatically.
I remember that if I use VESA driver, CPU temperature is also normal,
I need to double check tomorrow...

--hwh
>
> Erich