Gentoo Archives: gentoo-user

From: Tobias Heinzen <t.heinzen@×××××.ch>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Throttling State won't change from command in Gentoo Power Management Guide
Date: Wed, 09 Aug 2006 19:51:50
Message-Id: 44DA37AC.4020802@rhone.ch
In Reply to: [gentoo-user] Throttling State won't change from command in Gentoo Power Management Guide by Richard Watson
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4 Hi Richard
5
6 You can also throttle the speed of your CPU with the command
7
8 $cpufreq-set -u 800000
9
10 This will set the upper bound to 800MHz, meaning your CPU won't be going
11 any faster than those 800MHz. This is the way I am doing it. Not very
12 nice but it works for me.
13
14 Richard Watson wrote:
15 > Hi - I've been setting my laptop for power management by following the
16 > Power Management Guide and have successfully got cpufreqd running.
17 > However the CPU still gets hot on large compiles. I thought maybe
18 > changing the throttling state would cool things off but when I run the
19 > command from the power management guide
20 >
21 > echo -n "0:T1" > /proc/acpi/processor/C000/limit
22 >
23 > it returns the error
24 >
25 > -bash: echo: write error: Invalid argument
26 >
27 > I tried opening the file with nano -w and got the same message when
28 > saving the changes. Can anybody give me any help?
29 >
30 > Thanks, Richard
31
32
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