0
votes
1answer
70 views

Why after a time of inactivity three cores of cpu go off?

I run ubuntu 11.10 on a Dell inspiron N4050 which has an Intel Core i3 CPU. After a time of inactivity sometimes few seconds, sometimes 2 or three miutes or even more CPU2 3 and 4 spike then go to ...
0
votes
1answer
400 views

Alienware M17x R3: Possible downclock

I installed recently Kubuntu 11.10 32 bits (had graphics driver issues, wanted to try on 32 bits version) on my new Alienware M17x, with a Core i7-2670QM CPU. Cores are supposed to be clocked at 2.2 ...
2
votes
1answer
1k views

New Ubuntu install, only see's 1 core of my dual core CPU

Brand new install of 11.10 64-bit Ubuntu. While getting my conky script up and running I kept seeing the error Conky: attempting to use more CPUs than you have! and that was weird because Ive never ...
3
votes
1answer
901 views

Intermittent temporary GUI freeze in Ubuntu 11.10 [closed]

I've been using Ubuntu 11.10 for a month or so. In the last week it's started freezing randomly (every few hours or minutes). I can still move the mouse and switch to other terminals with ctrl+alt. I ...
2
votes
2answers
1k views

How to compare CPU speeds

I found this attribute called "BogoMips" (Bogus Millions of Instructions per Second) while doing cat /proc/cpuinfo and after seeing the definition: The number of million times per second a processor ...
5
votes
1answer
2k views

Lenovo ThinkPad L520 slows down when AC power adapter is plugged in

I have a new laptop Lenovo ThinkPad L520 (7859-5BG) Core i5-2520M(2.5GHz) with 4GB RAM. Having installed Ubuntu 11.10 32-bit, while browsing with Chrome on GNOME classic (no effects), I noticed 173% ...
4
votes
4answers
6k views

100% CPU usage in Ubuntu 11.10

I recently installed Ubuntu 11.10 with Unity to dual boot with windows 7 on my lap top. My laptop is running an Intel i7 quad-core and 8gb of RAM just as some background. I've noticed that when I'm ...
0
votes
4answers
239 views

glib huge errors on fresh 11.10

i have just very fresh install of 11.10 64bit on my 3Ghz dual core machine. Graphic card nvidia 9600gt with the 290.10 driver. Desktop crashes or will be not redraw correctly. Its very instable with ...
1
vote
1answer
183 views

random bursts of CPU activity

I am running a wubi installation of ubuntu 11.10 64 bit and every hour or so there is a random burst of activity where the CPU is at 100% and I have trouble just browsing on firefox. This can last ...
6
votes
1answer
1k views

High CPU when I open nautilus

Everything else works fine but when I open my home folder or move stuff around in it my cpu gets really high and everything slows down. This started to happen after upgrading to 11.10. Everything in ...
0
votes
1answer
396 views

Ubuntu randomly slows to a crawl for no reason

This is a VERY strange problem. My installation of 11.10 will randomly slow to a crawl, giving the feeling of either max CPU/MEM useage, when they are both at normal levels. Although there seems to ...
1
vote
3answers
1k views

Very hot CPU on HP/Compaq 615

I am using an HP Compaq 615 AMD dual-core laptop, and I just upgraded to Oneiric. However, my CPU temperature has never been below 65 degrees C. When my laptop had Windows 7 Starter, the temperature ...
0
votes
1answer
1k views

Intel Core i5-2467M running hot on one core while the other keeps cool

I am running an Ubuntu 11.10 Beta2 Wubi installation on my Samsung 900x3a notebook. I had to try it with wubi because this darn thing just won't boot off usb drives (even using the port on the right ...