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From: Vladimir Grebenschikov <vova@sw.ru>
To: Hajimu UMEMOTO <ume@FreeBSD.org>
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Date: Wed, 28 Sep 2005 10:57:13 +0400
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Subject: Re: Invalid detection CPU frequency ?
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=F7 =D7=D4, 27/09/2005 =D7 15:27 +0900, Hajimu UMEMOTO =D0=C9=DB=C5=D4:
> Hi,
>=20
> >>>>> On Tue, 27 Sep 2005 10:06:45 +0400
> >>>>> Vladimir Grebenschikov <vova@sw.ru> said:
>=20
> vova> And speed can't be raised by powerd or other.
> vova> Looks like it happens when notebook stats or shutdowns on batteries=
.
> vova> Rebooting on AC power cures situation. But anyway - I do not think =
it is normal.
>=20
> I met this, too.  Putting cpufreq_load=3D"YES" into your
> /boot/loader.conf should solve your problem.

Thank you, it really helps, now after boot I always get valid 1.7Ghz as
high possible CPU speed.

but sysctl picture changed:
now I have:
% sysctl dev.cpufreq dev.cpu dev.p4tcc dev.acpi_throttle
dev.cpufreq.0.%driver: cpufreq
dev.cpufreq.0.%parent: cpu0
dev.cpu.0.%desc: ACPI CPU
dev.cpu.0.%driver: cpu
dev.cpu.0.%location: handle=3D\_PR_.CPU0
dev.cpu.0.%pnpinfo: _HID=3Dnone _UID=3D0
dev.cpu.0.%parent: acpi0
dev.cpu.0.freq: 1487
dev.cpu.0.freq_levels: 1700/-1 1487/-1 1400/-1 1225/-1 1200/-1 1050/-1 1000=
/-1 875/-1 800/-1 700/-1 600/-1 525/-1 450/-1 375/-1 300/-1 225/-1 150/-1 7=
5/-1
dev.p4tcc.0.%desc: CPU Frequency Thermal Control
dev.p4tcc.0.%driver: p4tcc
dev.p4tcc.0.%parent: cpu0
dev.p4tcc.0.freq_settings: 10000/-1 8750/-1 7500/-1 6250/-1 5000/-1 3750/-1=
 2500/-1 1250/-1
sysctl: unknown oid 'dev.acpi_throttle'
%

so I've lost dev.acpi_throttle and got dev.p4tcc. Is it right ?

powerd still works as expected.

> Sincerely,

--=20
Vladimir B. Grebenschikov
SWsoft Inc. vova@swsoft.com