AuthenticAMD, cpufreq and SunFire X2200

[Jeremy Chadwick]

On Fri, Jul 11, 2008 at 09:40:11PM +0300, Danny Braniss wrote:
> > 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))?
> > 
> device is configured:
> config -x /boot/kernel/kernel | grep -a cpufreq
> device  cpufreq
> the BIOS has powernow enabled (or something similar).
> the kernel prints:
> ...
> powernow0: <PowerNow! K8> on cpu0
> powernow0: STATUS: 0x3106120806120212
> powernow0: STATUS: maxfid: 0x12
> powernow0: STATUS: maxvid: 0x06
> ...
> the same is repeated for cpu 1,2,3,4,5,6 & 7 - yes it's a dual quad.
> 
> which seem to indicate that it didn't like the ACPI data it got - this by
> comparing with other amd's that do report correctly.
> 
> as to the question '...any sort of frequency data in their ACPI tables'
> I tried to 'read' the ACPI data, but didn't understand the language :-(

First and foremost, please don't remove the mailing list from the CC
line; others need to know the technical details.

I don't have an answer for you, however.  Nate Lawson might have some
ideas as to what's going on.  A verbose boot may be needed.  I've
CC'd Nate here.

-- 
| 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 |