Re: Centrino question

Ow Mun Heng
2004-05-21T18:36:25Z

On Fri, 2004-05-21 at 11:31, Bruno Ducrot wrote:
> >
> > Which means we have to use the drivers provided by Intel??
>
> Those are deprecated.

Ah..

> > Or do you just mean the speedstep functions?
>
> I guess Jun means the cpufreq centrino speedstep driver.

That's what I'm using

> > I have cpuspeedfreq installed and when I'm quoting the number
> > of hours, I actually am quoting it with cpufreq turned on and running
> > at 600Mhz only with nothing plugged into the USB, backlight at it's dimmest
> > and all that. (Even the fan is turned off!

> That's strange. Are you sure you are not running a kind of throttling
> control stuff instead?

What do you mean? When I'm on battery, I also run the laptop_mode patch.
(though now, I have trouble with XFS not understanding the commit=600 or
something like that)

I don't have the P-states anymore since upgrading to 2.6 kernel on RH9
(2.6.3)

cat /proc/acpi/info
version: 20040211

cat /proc/acpi/processor/CPU0/throttling
state count: 8
active state: T0
states:
*T0: 00%
T1: 12%
T2: 25%
T3: 37%
T4: 50%
T5: 62%
T6: 75%
T7: 87%

cat /proc/acpi/processor/CPU0/info
processor id: 0
acpi id: 0
bus mastering control: yes
power management: yes
throttling control: yes
limit interface: yes

cat /proc/acpi/processor/CPU0/limit
active limit: P0:T0
user limit: P0:T0
thermal limit: P0:T0

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