I am testing version 11.2 (Released version) and have this problem (part of dmesg):
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So Opensuse cannot lower the speed of the CPU-cores. I tried updating the BIOS without luck. powernow-K8 under Opensuse version 11.1 (dual-boot) works perfect.
I am new to the forum and new to Linux.
I am trying to explore if Linux can be run on a multicore platform when the max frequency of one the cores is less than the others.
please give me some pointers or let me know if you have tried such HW configuration.
I'm using Brasero to burn DVDs and I'm burning at 4x speed (the DVDs and the DVD burner both support 16x max). The problem is that while burning, the speed is too low and it jumps around between 1.5x and 2.4x. This seems weird to me.shouldn't the burn process fail if it drops below 4x or if the speed is as unsteady as it is? But the DVDs seem to turn out fine anyway.
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View 3 Replies View RelatedBasically system monitor and the "top" command show 2 cpu cores when I only have 1 (a 3 Ghz P4 on my work computer).
I'm not sure if the two are related but I frequently get 100% CPU usage when running a few programs together (Kile, Firefox, Chrome and okular for example) at which point even the movement of the mouse cursor slows down.
opensuse 11.4---I have the lower panel on the desktop that has a firefox shortcut icon..I want to replace it with a google chrome shortcut--how do i do that
View 4 Replies View RelatedIm trying to overclock my system and I cannot find a conclusive answer to this issue.It appears that I need to compile a custom kernel, is there a way around this?So where do I go from here without compiling a custom kernel and removing powernow-k8 from it?Is there a workaround to this? There is no setting in my bios either. ECS NFROCE3-A system board.
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ignoring bad line 1 'powernow-k8' across the screen during boot. The thing is that I have removed that line from /etc/modprobe.d/options, so why do I keep getting the warning?
I newly installed Debian 6.0 I choose for the 2.6.32-5 686-bigmem kernel because I have 6Gb of RAM Now I want to use Cool n Quiet When I try to do modprobe powernow-k8 I get a 'no such device' message I have an Athlon64 X2 6000+ cpu. Am I using the correct kernel for this?
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View 3 Replies View RelatedIf 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:
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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?
In Lucid I cannot get CPU scaling to work anymore, in previous Ubuntu releases this was not a problem with the same hardware (AMD Phenom 9500 Quad). I used to load module 'powernow-k8' and 'powernowd' to make it work, but it seems 'powernow-k8' is not available in Lucid. Anyone who has cpu scaling working in Lucid?
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View 5 Replies View RelatedInterpreting the output of /etc/proc/cpuinfo.
This is a Linux Box.
Here is the output and I need to know how many CPUs we have and how many cores per CPU.
Does anyone know how to revert network speeds to those attained with openSUSE11.2-64? On openSUSE11.2-64 the reported network download speed was,
max : 420 kB/s
ave : ~ 200 kB/s
After upgrade to openSUSE 11.3-64 the figures dropped to about 25% of the previous values. After upgrade to KDE 4.5 and plasmoid-networkmanagement the initial values did not change but the average value dropped after about 30 seconds to ~ 15 kB/s. Approach so far:
1. The motherboard's (A780GM-LE) build in LAN (Realtek RLT8111DL) was originally detected by openSUSE 11.3 as the Realtek RLT8169 and kernel module r8169 installed. This was replaced by the latest module r8168-8.019.00 from Realtek.
2. After kernel update to Linux 2.6.34.4-0.1-desktop x86_64 the plasmoid-networkmanagement was replace by NetworkManager-kde4. This improved flow with,
max : 140 kB/s
ave : ~ 80 kB/s
Ubuntu 64bit. The sound system works and plays noises correctly when I test the speakers in sound preferances. The internet BBCi player(Radio) plays sound correctly. Banshee & Rhythmbox try to play music files at double, or more, speed with no sound output. Spotify Linux version also tries to playback at double speed with no sound output. Media Player attempts to play music files at high speed. Media player plays the Video and audio tracks at high speed. VLC Will play the video at normal speed but with no audio.
View 1 Replies View RelatedJIt was easy to check in Windows, but I just wanted to know if there's a way to check if Ubuntu is utilizing both cores of my processor (Pentium Core 2 Duo).
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View 9 Replies View RelatedAnybody knows How can I get the number of cores of a machine?I know that I can use POPEN and get the stream of this:
Code:
grep -i 'processor' /proc/cpuinfo | wc -l
But, I think that a simple method to do this.
i both have the same problem, i'm trying to burn my images at 4 or 8 speed, but ubuntu 10.04 says that the hardware does not support that kind of speed and switch up to 16 speed and more. i know it can burn at low speeds, at least in windows, it is a bit strange that fast burning is okee, and slow not, what can i do to prevent this? i don't wanna burn to much errors on my discs
View 5 Replies View RelatedMy previous OS was openSUSE 11.4 KDE. In system monitor I used to see frequency scaling of both cores . Know thats not a case. I have Dell Latitude D420, with Core Duo U2500 @ 1.20Ghz, using Debian testing (Wheezy) 32bit, GNOME. Please help! There is no purpose to use a system which drains max. half capacity of a machine. hOPE, that is not a case . How do I know if both cores are working?
View 6 Replies View RelatedWhen I was using Virtual Box in Windows 7, I could choose how many CPU cores to assign to the guest OS. Now I'm using Linux, and when I installed Virtual Box, I couldn't find that option. System Monitor shows that when the VM is busy only one CPU core goes to 100% while the rest are near 0%. How can I make Virtual Box in Linux use multiple CPU cores?
View 2 Replies View RelatedI have a notebook with AMD Athlon 64 QL-62 2 cores CPU. Normally the temperature is 50-52 Celsius in idle but with Ubuntu 10.04 beta 2 idle temp is 60 Celsius. /proc/cpuinfo shows both cores on 1GHz which is good but still temp is higher than usual. I tried to find solution using Google but I didn't find anything.
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View 3 Replies View RelatedIs it possible to hide cpu cores from an application?
I am running RHEL 5.5 on a Sun 4450 with 24 cores. We use Sybase database. Licensing for Sybase is by core. I would like to restrict Sybase to using 8 of the 24 cores and allow other apps on the system to use the rest of the cores. I want to reserve 8 cores for Sybase use only and Sybase only has access to those 8 cores.
Many commands in Mathematica 8 (Integrate, Simplify, etc.) seem to only be using a single core on my system. Is there any way I can change the affinity so that it utilizes all cores for computations?
View 3 Replies View RelatedI'm using Ubuntu 10.04 x64, and I have an AMD Phenom 2 x4 940 CPU. First I have to underline that four cores worked perfectly in previous versions of Ubuntu as well as Windows.
When looking at system monitor it tells me that I have two CPUs/Cores, it should be four.
This is the output of CPU info:
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processor: 0
vendor_id: AuthenticAMD
cpu family: 16
model: 4
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