Subject: RE: Why Pstate could make NetBSD buggy ?
To: None <tech-kern@netbsd.org>
From: =?iso-8859-1?Q?J=E9r=F4me_Loyet?= <jerome@loyet.net>
List: tech-kern
Date: 06/03/2006 16:11:10
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> >>>investigation, the ONLY difference is the version  of the 
> BIOS. and 
> >>>the difference is:
> >>>The Pstate has been disabled on buggy BIOS and vcore as been 
> >>>augmented by 0.1v
> >>Are you booting a NetBSD kernel with ACPI support?
> > No, I'm using GENERIC kernel. Why ?
> 
> You are using APM though. Pstate is for power state, and 
> power states can be running, standby, suspend, etc. I guess 
> there's an issue there. 
> Try running a kernel with APM disabled as well.
> 

The Pstate has been disabled because it's not well supported by linux kernel
< 2.6.15
The vcore has been increased to speed up the CPU.

Pstate is the thing from via and amd equivalent to SpeedStep from Intel.
It's not managed by acpi or APM.

I got thoses informations from the dedibox administrator.

++ Jerome

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