Fedora :: Can't Adjust CPU Frequency?
Dec 9, 2009
I just update the system, and the cpu frequency applet stop working. I can no longer lock the cpu frequency. Once I click the cpu applet icon, The whole applet just freeze right there. Does not matter if what I do with it. Well, at least I hope some one just offer me a bit help on how to lock the cpu frequency in terminal. Other wise I can not run Folding@home due to cooling issue.
Post added at 05:08 AM CST Previous post was Yesterday at 11:58 PM CST Well, it seems like the program take of authentication is mess up. I have the same problem when I tried to config my firewall. In the Firewall case, once I type in my password, the whole window just went blank. For the cpu applet case, nothing happen, the window ask for password does not show up. nothing. The system log did not have any entry...neither does the crash log. Which there are lot of entry there since I install F12
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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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Aug 4, 2011
how to lock the CPU frequency under Fedora 15. I try to run cpufreq comand but the terminal tells me the comand is bad and ask me if I want to install the program. When I click yes. It says the program has already been installed. While I try to use software manager under GUI, same thing happend. Software manager clearly tells me I have not install that program. But once I choose to install, the system tells me all package has been install?
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Jun 9, 2010
My Notebook CPU has variable speeds from 600MHz to 1.6GHz but since I upgraded to F13 it has not budged from 600MHz.I have already installed the gnome CPU speed widget and even if I set it to "performance" or "1.6GHz" it stays resolutely on 600MHz
The only indication that I can see that there is something odd is the output of acpitool tells me the min/max cpu speeds are 600MHz/600MHz. I don't know enough about the guts of Linux to know if acpitool is defective or if it's just repeating what it was told by something lower down.I will post some hopefully useful listings of some commands run under Fedora 13 and then the same commands on the same box with an F12 live USB.
Code:
Fedora 13
$ acpitool -c
CPU type : Intel(R) Pentium(R) M processor 1.60GHz
[code]....
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May 1, 2011
If I boot my system with default BIOS settings (no overclocking), the CPU runs at 3.3GHz and powernow-k8 enables a maximum speed of 3.3GHz, as can be seen from the following:
[Code]....
Clearly, for some reason, powernow-k8 is mis-calculating the pstate 0 or maximum speed and this is reflected in the files within /sys/devices/system/cpu/cpu?/cpufreq/ I have tried to update /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq, however despite the file being writeable by root, the change is not maintained. Other than setting the CPU policy to "Performance" rather than "On Demand", is there any way I can force the correct pstate 0 (maximum) CPU speed?
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Mar 22, 2011
My desk-pc has an acer AL17AL17. I've tried to install fedora 12 (windows XP works perfectly) and -just starting- it gave me the message: "frequency not supported". I suppose I have to change it, but I don't know what I should do. The installation began, I selected to do a new installation and then, suddenly, the message.
Should I change it in windows? Which frequency do I have to use?
--> On fedora 12: I'm going to install the "Long Term Supported" 6.0 version, as knudfl told me. Anyway, now it doesn't give me that error.
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Jan 24, 2010
The Wikipedia says that the frequency of the Athlon 64 X2 3800+ is 2000 MHz.
For that processor, on FC 12 64 bit
cat /proc/cpuinfo
shows:
cpu MHz : 1000.000
for each processor.
Is that supposed to "add up" to 2000 MHz for both? My old GA-K8N-Ultra SLI motherboard has its BIOS set for "top performance", so I hesitate increase any clock speed or multiplier.
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Nov 10, 2010
I have just upgraded my system to Fedora 14. One thing I noticed after running some applications on it is that it is not possible anymore to figure out on what frequency a wireless interface is using. If I set a wireless interface to monitor mode and perform the iwconfig or iwlist command, in the past, I could see the frequency used on the interface, but now, this information is not present anymore. My wireless interfaces are in monitor mode.
Has the frequency information been removed from iwconfig or iwlist commands? If it has, is there another way to report this information?
Here is an output from iwconfig on my system:
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Dec 12, 2009
i have a 5.1 setup ...
in fedora 10 things were pretty simpler . all i had to do was double click the volume icon and i could change the volume of each of my speakers individually ...
in fedora 11 that was not possible , this adjustment of volume had become more complicated, however there was this "advanced volume control" or something ... i dont quite remember its name , but thanks to that i could still adjust volume of each of my speakers individually ...
in fedora 12 i m not able to find that application - "advanced volume control" ... how do i adjust the volume of my each of my 5.1 speakers in fedora 12 ?
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Mar 13, 2011
Running F14 on Dell Studio 14 with LCD screen and US keyboard selected. After initial power on the keyboard selection of "Windows Key" + F4 will dim the screen and the "Windows Key" + F5 will brighten the screen. When being used, either combination will also show a meter on the screen to display the adjustment of the brightness. When the lid is closed the computer is set to suspend by default. After the computer is brought back from suspend the keyboard short cuts no longer control the brightness and the meter does not appear on the screen. I have not found any other way to control the brightness and I have to restart to get the keyboard short cuts to work again.
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Mar 10, 2011
I just installed Fedora and had what appeared to be 2 panels showing so clicked on one 2 hide it, now I can't see anything on the other panel. If I move my mouse over the panel I see:
my name
the date
A note pad which disappears when I move the mouse over it and thats it. Sometimes when I point my mouse at them they disappear as well. How can I get my panel back? I thought maybe adding an application to the desktop to open a terminal session would be a good way to start, but i don't know where or what the command is for this. (I did mange to set one up so I could start Firefox). If I Open a terminal session then what do I do to get my panel back ?
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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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Mar 24, 2010
I am trying to install blueman on fedora 12. I am compiling it from source. Because their is no rpm file for this. In configuration their is error
bluez is not find..but I have installed bluez-4.57...
Error is:-
Consider adjusting PKG_CONFIG_PATH environment variables if you installed software in non standard prefix.. set evn variables BLUEZ_CFLAGS and BLUEZ_LIBS...
How can I set these variables..to get rid of this error. I want to connect to internet through GPRS enabled phone through bluetooth. Any other way to connect to internet through bluetooth. I am using fedora 12.
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Jul 10, 2010
I'm writing a script to toggle LCD backlight on my laptop between minimum and previous/current level. I will then assign this script to a button. For this I need to be able to adjust backlight by using some command line utility. Also, this must be possible to be performed by a regular user.
What I have already tried:
1) The "xbacklight" utility. This didn't work. Program reported something like "no outputs found".
2) Used "acpitool -l <backlight_level>". This didn't work either.
3) The "echo -n 100 > /proc/acpi/video/VGA/LCD/brightness" works only when I am root. Changing permission of the file to allow writes by a user only valid until reboot. After reboot I need to change permission again, so this approach is not good either.
What works on my laptop, but with GUI:
1) Adjusting LCD brightness in "System->Preferences->Power Management" works.
2) Adjusting brightness with Gnome Brightness Applet works. However, after changing brightness with applet it says "Cannot get laptop panel brightness" and shows red crossed circle icon. Even after applet shows this message, it is possible to change the backlight level. It seems like the brightness level cannot be retrieved by the applet/system, but it can be set.
I can see that it is definitely possible to adjust LCD brightness through software because of the 2 things above, but how do I allow any user to change it from command line?
So, what are my other possible choices for changing backlight from command line?
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Sep 13, 2010
I've done the usual edit of /etc/sysctl.conf to include the parameter, but it just tosses errors. I haven't had to tune a kernel in a very long time, what's different about it nowadays (or have I simply forgotten how)?
edit: Added "kernel.semmni = 2048" to the tail of /etc/sysctl.conf and then ran "sysctl -p". End result is an unknown key error (apparently kernel.semmni isn't the valid name anymore?).
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Aug 9, 2011
I've had this problem since I fresh installed Fedora on my laptop: I can play sounds fine, but I can't mute/make it louder or softer. I couple days ago (right after I installed) there was a notification saying there was an error with something in the sound and it was "falling back to default". Recently, the notification stopped popping up but the problem persists.
I'm not 100% positive as to what type of speakers my laptop has. I know they're made by JBL, but on Windows they're handled by "RealTek HD Audio Manager" and in Device Manager there's 2 different audio devices: Realtek High Definition Audio and ATI HDMI Audio. Neither of them say they're JBL brand. The most information I can get out of the specs of my laptop found on Newegg is that they're "JBL stereo speakers (1.5 watt x 2)".
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Feb 9, 2010
Can't adjust brightness of display on buttery power mode Have no controller, such as in the tab "On AC Power"
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Jun 21, 2010
i install fedora 13 in virtual box. i enable campiz feature. but it have two choice:
1-windows wobble when moved
2-workspaces on a cube.
does campiz have only two option ?or does it have settings window?
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May 28, 2010
Just installed Fedora 13. How do I tell the new "PolicyKitOne" that I should be able to scale my CPU frequency without admin auth? In F12, there was a tool called polkit-auth, but it no longer exists. In fact, when I type in "polkit" and hit tab, nothing shows in the completion menu. Where's this thing hiding?
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Apr 11, 2011
My CPU has 2.19GHz (2190.000kHz)
but linux runs to fast if i watch the time 1 minute (real time) = 5 minutes (linux)
i checked the cpu freq with
Code:
cat /proc/cpuinfo |grep MHz
and the output was
cpufreq 2194.800 kHz
the cpu is overclocked!!!!
[Code]....
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Jan 6, 2010
Can anyone point me in the direction of how to set the screen to 60 as I find I get sore eyes. Sorry I don't know the tech jargon.
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Feb 20, 2010
I have a n2pap-lite motherboard with a AMD Sempron 2800+. My host clock is at 133mhz when it needs to at least be at 166mhz to be a AMD Sempron 2800+... I installed the system on 100mhz clock not thinking that it mattered.
I tried the following
sudo apt-get install rcconf
sudo rcconf
*Disabled "ondemand"
It says on guides that it will ask me to reboot but it doesn't, so I manually did it and put the CPU Frequency Monitor on my taskbar. It does not have the options like it shows in the screenshots to set my CPU frequency..
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Jan 8, 2011
I'm looking for a CPU frequency applet which monitors the frequency of ALL CPUs at once.
Does it exist such applet?
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Feb 7, 2011
I wanted to be able to see the frequency my cpu is running at
Quote:
Originally Posted by xfce4-cpufreq-plugin
CPUFreq support is not present. The CPUFreq Monitor will not function this session.
Code:
~$ cpufreq-info
cpufrequtils 006: cpufreq-info (C) Dominik Brodowski 2004-2009
Report errors and bugs to cpufreq@vger.kernel.org, please.
analyzing CPU 0:
[Code]....
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Apr 30, 2011
I'm running ubuntu 11.04 with a Pentium T2060 1.6ghz. Ubuntu only lets it go up to 1.2ghz. And no its not a cpu power saving feature. In Windows it gets to 1.6ghz fine
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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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Apr 18, 2010
how to fix the CPU Frequency Monitor 0.4.0~rc2 for AWN 0.4.0~rc2-rewrite-bzr674-karmic1-1 so that you can actually scale CPU frequencies?
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Jun 25, 2010
I have edited /etc/logrotate.conf to include
/var/log/auth.log {
rotate 6
monthly
copytruncate
compress
}
To try and prevent auth.log rotating daily and change it to monthly but it doesnt seem to work.
Either im doing it wrong or i need to restart some service?
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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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Jun 28, 2010
I'm a bit new in Ubuntu, but I am about to get a hang in it. I have previous use karmic koala and the version before that (cant remember the name for that) on my old computer and now I am using ubuntu 10.4 on my new computer. Ever since I installed Ubuntu for the first time, I noticed that the sound quality wasn't... the best. There isn't so much wrong with it, but like that this example. I played a FLAC file with some headphones (thru Ubuntu) and the sound quality sucked.. and then I played a mp3 file (with an ipod) and the sound quality was much much much better than the FLAC file.
I tired to play an HD movie over ....., where on Windows XP it sounds perfect, but with Ubuntu it kinda sux. The MP3 (Ipod / windows XP) is still better, than anything that is being played in Ubuntu. This is with almost every sound format I have tried. No matter if I play it with Rythmbox or vlc or some other player, the sound is wrong. I cant describe how it sounds.. but it is like it is going with a low frequency... or it is compress some how... Ever since I tried Ubuntu for the first time Ive noticed that something was wrong, but couldn't never really put my finger on it. I have dual-booted with windows XP and the sound in XP is really, really good compared to Ubuntu.
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