acpi ok but cpufreq not supporting my CPUs

[John Baldwin]

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.

-- 
John Baldwin