Debian Configuration :: Disable CPU Frequency Scaling In Most Fundamental Way

Jan 18, 2016

I want to turn off frequency scaling permanently and totally in the lowest-level way possible. Is there a kernel command line that can be used or is recompiling the kernel without the governor stuff the only way?

Solved. Just modprobe -r and blacklist the acpi_cpufreq kernel module.

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Ubuntu :: CPU Frequency Scaling Always Enabled - How To Disable

Nov 19, 2010

When I boot my machine (using a dual core 2ghz CPU) I always find myself out of "performance" mode (which I need), using only 1ghz per core.While this is easily fixable with "sudo cpufreq-set -g performance", I don't seem to be able to do it before having control of the machine. I would like to be able to boot with my CPU at full power.I would prefer to disable whatever is scaling down my CPUs to having to inject cpufreq-set to change governor. Anyone has any hint?I use default Ubuntu but I boot into a KDE4 desktop. But the same issue happens booting into the Gnome desktop.

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Debian Hardware :: CPU Frequency Scaling - On Dual Core Intel ?

Nov 3, 2010

I'm having a weird problem (2.6.32-2-686-bigmem , sid):

Frequency scaling works on CPU 1 but not on CPU 0.

This is regardless of application, the Gnome applet and cpufreq-selector both fail

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Debian Multimedia :: Gnome Applet For Switching CPU Frequency Scaling Has 'disappeared' And Not Listed In Add To Panel

Sep 8, 2011

I have a suspicion that this is easily fixed, however a good google (and this forum) hammering having turned up the fix. So I probably have the wrong search criteria, My Gnome Applet for switching CPU Frequency Scaling has 'disappeared' and is not listed in the the Add to Panel.. list of applets.

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Fedora :: 13 - CPU Not Scaling Frequency?

Jun 16, 2010

I am not entirely convinced that my CPU is actually changing frequency as it is meant to. It sometimes changes frequency, but most of the time it is stuck on 800MHz even when doing cpu intensive tasks. Here is information that may or may not be of help:

cat /proc/cpuinfo
processor: 0
vendor_id: GenuineIntel

[code]....

I notice here that it says between 800 and 800, but does that mean it is currently at 800, or can only be 800.

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Ubuntu :: CPU Frequency Scaling Not Working

Jan 17, 2010

I have the CPU frequency scaling applet in the panel and it worked fine when I had 8.10 but now that I'm using Karmic, I cant get it to work correctly!

It won't change the speed to what I tell it to. I click on a different speed and it does nothing.

The CPU spins too slowly and videos lag or it spins at full speed and overheats even though I have nothing open! I really need to be able to adjust it.

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Ubuntu :: CPU Frequency Scaling Monitor / Fix It?

Jun 28, 2010

I am new to ubuntu. I have just one question, everytime I reboot my laptop the CPU Frequency Scaling Monitor goes back to "On Demand." Why is that and can I also set it so it stays on Performance.

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Slackware :: Activating Cpu Frequency Scaling ?

May 15, 2011

Slackware64 13.37 multilib, generic kernel (full install)

BIOS: EIST and C3/C6/C7 State support are enabled.

I'm trying to activate cpu frequency scaling following the tutorial on slackwiki: [url]

I can't load any module.

Code:

I've tried all of them but the error is the same. I also rebooted to the huge kernel, however, it gave me the same error.

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Ubuntu :: CPU Frequency Scaling Monitor & Hyperthreading?

Sep 2, 2010

I recently installed 10.04 and really like it so far, however I was wondering if it is possible to scale all hypertheading cores at once, currently I am using an applet for each and have to use several clicks to get into the desired powerstate.

I have read that with dual cores you will not have the option to go into different powerstates because it scales all cores at once, however the logical cores that show up with hyperthreading allow each to have a different power state, and will show up as different states if I use cpufreq-info in the terminal, so it seems like it is allowing it.

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Ubuntu :: Taking Control Of CPU Frequency Scaling In 11.04?

Jun 24, 2011

Is there an easy way to take control of CPU frequency scaling in 11.04? There use to be an indicator applet but thats gone

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Slackware :: 13.37 Isn't Loading The Modules - CPU Frequency Scaling ?

Jun 10, 2011

For some reason, it seems that 13.37 isn't loading the modules I need for cpu frequency scaling. I've edited /etc/rc.d/rc.modules so that CPUFREQ is set to on. On 13.1, this would mean the powernow-k8 module would be loaded for my AMD cpu, and the subsequent "ondemand" governor would be loaded. However, for some reason this isn't being done during the boot process. I've tried it using both the generic kernel and the huge kernel (I'd been using huge for a long time before without realizing it.) Has anything changed in 13.37 with regards to CPU frequency scaling?

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Slackware :: CPU Frequency Scaling Will Not Load At Boot

Nov 16, 2010

I'm curious as to why some things are not happening at boot time (i end up having to manually load them).

In /etc/rc.d/rc.modules (near the bottom) i have set "CPUFREQ=on" and commented out any modules not specific to my hardware.

I have left this one uncommented:

Code:

And below the "### CPU frequency scaling policies:" i have;

Code:

uncommented. My scaling governor is set to:

Code:

Now whenever i reboot my machine `lsmod` is not showing any of either powernow-k8 or cpufreq* related modules.

I know i could use /etc/rc.d/rc.local with these:

Code:

But seems to defeat the purpose of rc.modules, any idea why they are not being loaded at boot... ?

Code:

With slackware64-current

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CentOS 5 Hardware :: Frequency Scaling Disabled Due To Cpu Bug?

Nov 16, 2010

would ask how to fix this warning that comes when i start my centos 5 virtual machine that run under windows 2003 std, previously it run smoothly with linux centos 5.

currently
Centos 5 Virtual Machine
____________________
VMware workstation 6 for windows
____________________________
Windows 2003 STD

previously
Centos 5 Virtual Machine
______________________
VMware workstation 6 for linux
___________________________
Linux Centos 5

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Ubuntu :: Keep CPU Frequency Scaling On PERFORMANCE Mode Through Reboot?

Jul 30, 2010

Is there any possible way to keep my CPU frequency scaling on PERFORMANCE mode through a reboot? Ubuntu likes to default it back to ONDEMAND all the time.

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Ubuntu :: Set Cpu To Powersave Using CPU Frequency Scaling Applet - Set Permanently?

Oct 13, 2010

Trying to set my cpu to Powersave using the CPU Frequency Scaling applet. When I set it to powersave, it goes back to ondemand on its own. On the earlier versions of Ubuntu, I used to be able to set it from the main menu: system>powermanagement, but with 10.10, I don't get that option. Is there any way that I can set it to powersave permanently? I was also able to set it with Ubuntu Tweak, but it does not have that option either.

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Ubuntu :: CPU Frequency Scaling Monitor Doesn't Work?

Jun 1, 2011

I have recently installed Ubuntu 11.04 on my PC with these configuration:CPU: AMD Athlon 7750 Black EditionRAM: 2GB 1066 MHzVGA: ATI Radeon HD 3200 (on AMD 780G)After I installed Natty Narwhal I felt that my CPU runs at the highest clock all the time (2.7GHz), even if I don't have any program run. I tried all settings for AMD Cool'n'Quiet from mainboard BIOS, but nothing's changed. I installed "CPU Frequency Scaling Monitor" to manually change CPU clock. It recognizes two clock for my CPU, 2.7GHz and 1.35Ghz plus 4 other options; Conservative, Ondemand, Performance and Powersave but the CPU indicator doesn't change on every option!

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Ubuntu :: Asus A50IJ - CPU Frequency Scaling Unsupported - Cpu Temp Is 49 Without Any Reason

Jul 26, 2011

I just bought asusn a50ij and of course I installed ubuntu, now I have few problems: when I try to add CPU frequency scaling monitor to panel it says: CPU frequency scaling unsupported Next problem:my cpu temp is 49 without any reason.and I cant see my graphic card temp,when I go to Harware Drivers I doesnt show any drivers at all,so I dunno whether its nvidia or raedon it doesnt say anything! Also I installed jupiter and each time I turn on my computer it goes to Maximum Performance how can I turn it off?

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Ubuntu :: CPU Frequency Scaling Monitor Won't Stay At 800mhz After Reboot Or A Certain Period Of Time

Oct 26, 2010

The CPU frequency scaling monitor won't stay at 800mhz after reboot or a certain period of time. My goal is to always have my dual core CPU locked at 800mhz to have it run cooler. I'm running Ubuntu 10.10 on my toshiba u300 laptop.

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Server :: Frequency Scaling Not Working - Out Of 11 Steps Can Change To Only 2 Frequencies And Rest Fail To Work

Apr 23, 2011

I am using Intel Xeon X 3440 processor. The processor has 11 frequency steps to chose from. I have used cpufreq-selector for choosing a frequency and it worked fine. But, all of a sudden it stops working out of the 11 steps i can change to only 2 frequencies and rest fail to work. I am clueless as to why it stopped working suddenly.

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Ubuntu :: Disable CPU Scaling Whenever Want?

Jun 15, 2010

I want to be able to disable CPU scaling, whenever I want. The reason is that I run some timing tests, and I want the results to be reproducable (ie the CPU running at the same frequency). I have tried the following on 9.10 and 10.04 (both amd64). I use rcconfig to disable "on demand" (from [URL] but then when I use cpufreq-info tool I get:

[Code]...

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Ubuntu :: Overclocked CPU And Ubuntu Frequency Scaling

Aug 5, 2010

I have a 2.9ghz AMD Athlon II X4, which I have overclocked to 3.65ghz. I know that Ubuntu automatically changes the frequency of the processor to save power, which I like, but it does not show my overclocked frequency. The highest that the frequency scaling will go is the stock clock, at 2.9ghz. Is my processor actually reaching my overclocked speed?

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Ubuntu :: Mint Kept Updating Xulrunner To A New Version Which Disable Firefox-Smooth-Scaling?

Apr 11, 2010

I recently deleted all my Software Sources that were under "Other Software" and all my "Authentication" because Mint kept updating my xulrunner to a new version which would disable Firefox-Smooth-Scaling.Therefore I deleted all my Software Sources that were under "Other Software" and Authentication, and forced Mint to only install the xulrunner which uses Firefox-Smooth-Scaling. Unfortunately, after I deleted the software sources and authentication, now I can't update my system properly and get error messages that keys are missing. I added some software sources back the "Other Software" (someone responded to a previous post of mine on which ones to add), and under the "Authentication" window I tried hitting "Restore Defaults", but it only added two keys. These are screenshots of my Software Sources windows.

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Fedora :: New Kernel - New Audio - Disable Feature - Tweak The Parameters Like Crossover Frequency?

Sep 1, 2010

i have an hp pavilion dv7 and am using f13 64bit. my laptop has a built in woofer underneath that i have never been able to get to work. after the latest kernel update today my laptop now has woofer sound. there must be some new support for my laptops audio card. the problem is that it is a little overbearing. how can i a) disable this feature b) tweak the parameters like crossover frequency or gain? edit: i checked the changelog for 2.6.34 and couldn't find any info on any new audio support features.

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Debian Configuration :: Disable Boot Services

Jan 31, 2010

I'm running debian unstable and since there was the switch to dependency based boot I can no longer control my boot services.I used to suppress the services that I use rarely during boot with: sudo update-rc.d -f myservice remove This arranged the links in /etc/rc?.d and everything worked.

Now this command only says: update-rc.d: using dependency based boot sequencing.This seems to work until I upgrade the service to a new version and it is enabled again.Do you have any idea of how to disable boot services permanently with the new system?

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Debian Configuration :: Disable IPV6 In Lenny?

Sep 25, 2010

Howto disable IPV6 in Lenny?

I added this line:alias ipv6 off in /etc/modprobe.d/aliases:# cat /etc/modprobe.d/aliases

# These are the standard aliases for devices and kernel drivers.
# This file does not need to be modified.
#
# Please file a bug against module-init-tools if a package needs a entry
# in this file.

[Code]....

alias ipv6 offbut howto check after restart if ipv6 was loaded or not?

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Debian Configuration :: Disable Wireless At Startup?

Dec 22, 2010

I've been using Debian since the early days of Lenny being testing as OS on the same Computer. Its a Acer Aspire Notebook with switches for wireless and bluetooth. While booting Lenny my wireless and bluetooth stayed off as long as I didn't switch them on. But since squeeze they get activated ( you can see it by looking at the LED's ) the moment after the grub screen. I now do have to turn bluetooth and wireless off by hand everytime which is quite annoying since I mostly use eth0.

how to disable bluetooth and wireless per default in a way I can simply turn them back on by using the switch?

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Debian Configuration :: How To Disable Swap Permanently

Apr 3, 2011

So from a web server stand point if we start using swap for httpd or mysql its bad and performance goes down the drain. So would it be a good or bad idea to disable swap entirely?

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Debian Configuration :: How To Completely Disable Hibernation

Apr 4, 2011

How to completely disable hibernation in Debian Squeeze (with KDE). If it's impossible to disable it for whole system, I want to hide button in KDE menu.

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Debian Configuration :: Can Disable Client Mount As NFSv4?

Aug 7, 2015

I have Debian 7 running on RPi2 with Kodi. My NFS server is running on Slackware 14.1 which doesn't have full support for nfs4. I think this is causing some slowdowns/extra time when trying to stream video. Debian 7 by default mounts NFS as nfsv4, I would to like to disable this if possible. If so how?

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Debian Configuration :: Disable Global User List ?

Sep 24, 2010

When I did external vulnerability scan of my servers, I discovered the following issue that I must correct:

THREAT:

This is the global system user list, which was retrieved during the scan by exploiting one or more vulnerabilities.

IMPACT:

These common account(s) can be used by a malicious user to break-in the system via password bruteforcing.

SOLUTION:

To prevent your host from being attacked, do one or more of the following:

RESULT:

So.. How can I prevent this scanner to reveal user names, in my case root ? Please help, It is mandatory for me to correct these issue.

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