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Date: Fri, 11 Jul 2008 07:37:32 -0700
From: Jeremy Chadwick <koitsu@FreeBSD.org>
To: Danny Braniss <danny@cs.huji.ac.il>
Message-ID: <20080711143732.GA50740@eos.sc1.parodius.com>
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Cc: freebsd-hackers@FreeBSD.org
Subject: Re: AuthenticAMD, cpufreq and SunFire X2200
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On Fri, Jul 11, 2008 at 03:57:00PM +0300, Danny Braniss wrote:
> Hi,
> 	I'm trying to find out why there is no frequency info.
> ie:
> sunfire> sysctl dev.cpu.0
> dev.cpu.0.%desc: ACPI CPU
> dev.cpu.0.%driver: cpu
> dev.cpu.0.%location: handle=\_PR_.P001
> dev.cpu.0.%pnpinfo: _HID=none _UID=0
> dev.cpu.0.%parent: acpi0
> dev.cpu.0.cx_supported: C1/0
> dev.cpu.0.cx_lowest: C1
> dev.cpu.0.cx_usage: 100.00%
> 
> so any help/insight is most welcome.
> 
> BTW, its 7.0-stable

Is the cpufreq device in your kernel config?  Do the SunFire X2200's
provide any sort of frequency data in their ACPI tables?  Are there BIOS
settings which are relevant to this board enabling Cool'n'Quiet or
anything else of that nature (thus inducing the use of powernow(4))?

-- 
| Jeremy Chadwick                                jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |