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Date: Wed, 17 Sep 2003 21:15:50 -0600
From: Scott Long <scottl@freebsd.org>
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To: sebastian ssmoller <sebastian.ssmoller@gmx.net>
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cc: Freebsd Current <current@freebsd.org>
Subject: Re: Bad performance
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sebastian ssmoller wrote:
> On Wed, 2003-09-17 at 20:16, Don Bowman wrote:
> 
>>From: sebastian ssmoller [mailto:sebastian.ssmoller@gmx.net]
>> ...
>>
>>>i turned of acpi on startup an voila :) : gdm starts two 
>>>times faster as
>>>before (!) (30s -> 15-17s)
>>>
>>>can anyone explain me why, pls ?
>>
>>I wonder how hot your processor is? perhaps ACPI is throttling
>>the clock back, either duty cycle or frequency.
>>In your bios you can set the power mode, perhaps you 
>>can set 'full power always'.
>>
>>lmmon might show something.
>>
> 
> 
> here is my lmmon output. 
> 
>  Motherboard Temp               Voltages
> 
>  255C / 491F / 528K        Vcore1:   +3.984V
>                            Vcore2:   +3.984V
>     Fan Speeds             + 3.3V:   +3.984V
>                            + 5.0V:   +6.654V
>     1:    0 rpm            +12.0V:  +15.938V
>     2:    0 rpm            -12.0V:  -15.938V
>     3:    0 rpm            - 5.0V:   -6.654V
> 
> 
> i'm not sure whether this output is correct : 255 C ?? 
> so this should be a reason for acpi to throttling the cpu, doesnt it ?
> :) 
> 
> can u give me a hint how to "correct" these values ? (cause hardware is
> ok this should be a software/config probem (?)
> 
> 

I wonder if lmmon is unaware that acpi provides temperatures in 
deciKelvins, not Kelvins.  25.5C would be a much more reasonable value,
though my system typically runs in the 40-50C range.

Scott