[ltp] T23 is tualatin, right?

Florian Reitmeir linux-thinkpad@linux-thinkpad.org
Mon, 20 Mar 2006 09:45:22 +0100


Hi,

On Son, 19 M=C3=A4r 2006, Marc P. wrote:

> SO, why can't i modprobe ondemand?
> speedstep_lib and speedstep_ich both seem pleased to load..
> cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
>=20
> comes back with;
> conservative ondemand userspace powersave performance
>=20
> which i'm guessing is what the kernel has loaded, not necessarily what
> the BIOS is supporting..
>=20
> The cpu is indeed model 11, according to /proc/cpuinfo,
>=20
> SpeedStep is indeed on in the BIOS.. and the BIOS is the latest version.
>=20
> I've even tried passing relaxed_check=3D1 to the speedstep_lib module.. no
> good. And nor does speedstep_smi want to load no matter what, which i'm
> not sure is even relevant.
>=20
> kernel is 2.6.15-1-686 debian stock.
>=20
> what am i missing? Why can't i echo ondemand >
> /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
>=20
> without getting:
> bash: echo: write error: Invalid argument

do an lsmod for us, and an lspci please, and a cat /proc/cpuinfo also a=20
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies

for information, there are more ways to do scaling of CPU freq..
- with the centrino module
- with the acpi module
both support the governors

--=20
Florian Reitmeir