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Date:      Fri, 29 Feb 2008 19:06:32 +0100
From:      Jan-Olof Lindqvist <jo.lindqvist@gmail.com>
To:        Yousif Hassan <yousif@alumni.jmu.edu>
Cc:        freebsd-acpi@freebsd.org
Subject:   Re: Fujitsu P8010: est: CPU supports Enhanced Speedstep, but is not recognized
Message-ID:  <47C849A8.10809@gmail.com>
In-Reply-To: <863014ECF11048B78C23D1D31DCAFF40@alderaan>
References:  <200802281645.00286.mistry.7@osu.edu> <47C73E8E.40706@gmail.com> <A48BAC083342485094C683FBE08908AE@alderaan> <200802291045.39977.mistry.7@osu.edu> <863014ECF11048B78C23D1D31DCAFF40@alderaan>

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Yousif Hassan wrote:
> On Friday 29 February 2008, Anish Mistry wrote:
>> On Friday 29 February 2008, Yousif Hassan wrote:
>> > Anish Mistry wrote:
>> >> I got a new Fujitsu P8010 and est doesn't seem to attach to my
>> >> dual core processor since it doesn't recognize the CPU.  My
>> >> dmesg is linked at the end of the email.  Is there anything I
>> >> can do to add it?
> 
> <snip>
> 
>>> Anish, are you running amd64?  This seems to be a recurring theme
>>> with amd64, based on some research I did and based on my anecdotal
>>> evidence.
>> Yes, I'm running amd64.
> 
> If you're willing, try an i386 kernel and see if the est driver
> attaches. If using i386 isn't a non-starter for you, that's a workaround.
> 
> That said, I still hope someone who knows this stuff can comment on this
> definitively.  It seems odd that i386 attaches est fine, but amd64 doesn't.
> 
> --Yousif
> 

Even if it does attach the est-driver, I don't think it receives the
correct voltage to the processor. For example on my laptop I have been
running FreeBSD i386 and now amd64 with the Core 2 duo T7700, the fan
runs constantly and it feels hot where the processor is located. This is
not the case when running for ex Linux.

Maybe we should PR this?

--
Jan-Olof Lindqvist
http://www.jail.se



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