From owner-freebsd-current@FreeBSD.ORG  Mon Feb 14 15:18:18 2005
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Date: Mon, 14 Feb 2005 23:18:15 +0800
From: Jiawei Ye <leafy7382@gmail.com>
To: Alexander Leidinger <netchild@freebsd.org>
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cc: acpi@freebsd.org
cc: current@freebsd.org
cc: Nate Lawson <nate@root.org>
Subject: Re: HEADSUP: cpufreq import complete, acpi_throttling changed
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On Mon, 14 Feb 2005 15:23:19 +0100, Alexander Leidinger
<netchild@freebsd.org> wrote:
> I don't know if it is because of the cpufreq import. But because of the
> cpufreq import I've looked again at the acpi sysctl's and noticed this new
> state which wasn't there before. "Didn't work" means "the systems freezes
> hard, no keyboard interrupt is processed".
> 
> Bye,
> Alexander.
I have a funny situation there. kldloading acpi_perf and then
unloading results in this:
leafy@chihiro:~$ sudo kldunload acpi_perf
kldunload: can't unload file: Device not configured

leafy@chihiro:~$ sysctl dev.cpu
dev.cpu.0.%desc: ACPI CPU
dev.cpu.0.%driver: cpu
dev.cpu.0.%location: handle=\_PR_.CPU1
dev.cpu.0.%pnpinfo: _HID=none _UID=0
dev.cpu.0.%parent: acpi0

leafy@chihiro:~$ dmesg -a |grep CPU
CPU: Intel(R) Pentium(R) 4 CPU 1.80GHz (1816.99-MHz 686-class CPU)
cpu0: <ACPI CPU> on acpi0
acpi_throttle0: <ACPI CPU Throttling> on cpu0

Is this expected?

-- 
"Without the userland, the kernel is useless."
               --inspired by The Tao of Programming