mac mini extremely hot when using i915kms

黄文辉 huanghwh at
Fri Oct 26 10:48:13 UTC 2012

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

> Hi,
> On Fri, 26 Oct 2012 18:09:06 +0800
> 黄文辉 <huanghwh at> wrote:
>> 在 2012-10-26,17:56,Erich Dollansky
>> <erich at> wrote:
>>> Hi,
>>> On Fri, 26 Oct 2012 17:28:19 +0800
>>> Huang Wen Hui <huanghwh at> 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...

> Erich

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