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Date:      Fri, 28 Apr 2006 16:25:36 +0000
From:      Ales <ales.rom@kabelnet.net>
To:        freebsd-acpi@freebsd.org
Subject:   powerd on Gericom Webgine XL not running quite well
Message-ID:  <44524200.8050504@kabelnet.net>

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Hello all.

I am new to this list, but not to FreeBSD :)

I installed 6.1-RC1 on my Gericom Webgine XL with Athlon XP-M 1400 
processor. (800-1200 MHz) It runs great, just one thing is bothering me.

Powerd is running, but when it comes to maximum frequency speed it stays 
there. The example of powerd -v  is here:

# powerd -v
idle time < 65%, increasing clock speed from 798 MHz to 931 MHz
idle time > 90%, decreasing clock speed from 1064 MHz to 997 MHz
idle time > 90%, decreasing clock speed from 931 MHz to 864 MHz
idle time < 65%, increasing clock speed from 931 MHz to 1064 MHz
idle time > 90%, decreasing clock speed from 1197 MHz to 1197 MHz
idle time > 90%, decreasing clock speed from 1197 MHz to 1197 MHz
idle time > 90%, decreasing clock speed from 1197 MHz to 1197 MHz
idle time > 90%, decreasing clock speed from 1197 MHz to 1197 MHz
.
.
.
So, it looks that powerd can increase and decrease CPU speed until it 
reaches maximum. If I manualy change frequency with sysctl, frequency 
can go down again.

sysctl dev.cpu.0.freq=800
dev.cpu.0.freq: 1197 -> 798

I do not know what is wrong here so any help would be great. Thanks.

Ales
------------------------------------------------------------------------------------
Some sysctls:

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
dev.cpu.0.freq: 1197
dev.cpu.0.freq_levels: 1197/35004 1197/35004 1197/35004 1197/35004 
1197/35004  1064/29004 997/25291 931/23595 864/21910 798/20224

dev.powernow.0.%desc: PowerNow! K7
dev.powernow.0.%driver: powernow
dev.powernow.0.%parent: cpu0
dev.powernow.0.freq_settings: 1197/35004 1197/35004 1197/35004 
1197/35004 1197/35004  1064/29004 997/25291 931/23595 864/21910 798/20224




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