0
votes
0answers
59 views

Installed FX-6300 (6 core) from Semphron (1 core) and now interrupt request storm (ksoftirqd)?

Scrypt mining in cgminer used to have no issues with Semphron 145, I switched to FX-6300 and processor usage shot up to 100% and stuck there. cgminer process is consuming about 20% and six ksoftirq ...
0
votes
1answer
208 views

Incorrect CPU clock speed?

I have recently purchased a new laptop, and installed Ubuntu. It uses an AMD A8-4500M processor, which, according to the link below, should have a clock speed of 1900-2800 mhz. ...
0
votes
1answer
2k views

Should I install amd64-microcode? [closed]

This is my system: AMD Phenom II x4 960T (unlocked to 6 cores) 8GB 1066 DDR2 RAM Gigabyte Radeon HD6670 1GB DDR3 (AMD Catalyst 13.4 propriety driver) Ubuntu 13.04 at 1920x1080 60Hz Dual boot with ...
2
votes
0answers
143 views

CPU fan kicks in to full gear when i try to install ubuntu 12.10 or LTS

Whenever I try to install (DUAL BOOT WITH WINDOWS 7) both versions of Ubuntu desktop on my PC the CPU fan starts spinning so fast that I couldn't even go through the installation for fear of my CPU ...
1
vote
1answer
41 views

Non-symmetric core load when playing a game

I play Serious Sam 3 on Ubuntu 12.10 amd64 with AMD Phenom II X4 955 processor. And all time I play it there was fully loaded only one core. Command mpstat 1 1500 -P ALL after some time gives ...
0
votes
1answer
1k views

Unusually high CPU% and bad performance on both Ubuntu and Xubuntu

I recently decided to switch to Ubuntu from Windows 7, and I've been having some problems regarding CPU usage. Any program I have running uses 40-50% of my CPU, which is way too much obviously. I'm ...
3
votes
1answer
407 views

Very High CPU usage on HP dv7 Laptop when IDLE

I'm pretty new to Linux computing. So I finally thought of giving Ubuntu a try, by dualbooting it with Windows 8 on my hp dv7-6006tx laptop. Laptop Specs But after installation, I immediately ...
2
votes
3answers
467 views

Newly installed ubuntu feels slow

About two years ago I first tried Ubuntu (11.04) on my sony vaio fw11e and I remember that I was impressed by how smoothly everything just worked out of the box. For different reasons i reverted back ...
3
votes
0answers
2k views

Fan always on and overheating problems on HP G62

I have a HP G62 with i5 processor, 4G Ram and ATI HD 5470. Started using Ubuntu 4 months ago, first was 11.10 and after 12.04. Everything worked perfectly until some weeks ago when my cpu fan became ...
1
vote
1answer
397 views

Why is my AMD Quad 645 CPU running at 800MHz per core on Ubuntu 12.04

I've just loaded Ubuntu 12.04 onto a brand box with an AMD 645 quad CPU with 8GB RAM. In the BIOS it says, the CPU is running at 3100MHz. However when i boot into Ubuntu 12.04 it says 800MHz? I've ...
1
vote
1answer
412 views

CPU spikes when monitor shuts off

On my laptop, whenever the computer is idle a period of time (10 minutes I think) the monitor shuts off. At this time the cpu usage spikes, I know this because the fan starts going crazy. When I move ...