acpi ok but cpufreq not supporting my CPUs

[Nate Lawson]

John Baldwin wrote:
> On Monday 15 January 2007 11:51, Bruno Ducrot wrote:
>> On Sun, Jan 14, 2007 at 10:02:06PM +0100, Patrick Proniewski wrote:
>>> est0: <Enhanced SpeedStep Frequency Control> on cpu0
>>> est: CPU supports Enhanced Speedstep, but is not recognized.
>>> est: cpu_vendor GenuineIntel, msr a1e0a1e06000a1e
>>> device_attach: est0 attach returned 6
>>> p4tcc0: <CPU Frequency Thermal Control> on cpu0
>>>
>>> (same for cpu1/2/3)
>>>
>>> Is there anything I can do to make "est" work with the sossaman CPU ?
>>>
>>> thanks in advance,
>>>
>> It's not possible, AFAIK, to build a static table for your processor,
>> and in that case, we have to use an ACPI table in order to compute
>> a custom table.  If such information is not available, then there
>> is little hope to make est working, being an SMP problem or not is
>> not your problem I'm afraid.  It maybe possible you forgot a
>> BIOS option somewhat so such this configuration will be generated
>> and exposed via ACPI though, or maybe you have to upgrade to a
>> newer BIOS.
> 
> One thing we can do is at least support the two modes encoded into the MSR
> (the highest and lowest IIRC).  I think I have a patch laying around
> somewhere to do that.
> 

That's a good idea.  If you can send me a patch, I'd be happy to test.

-- 
Nate