I installed Ubuntu a few days ago and am getting some strange freezing behavior. Programs will freeze momentarily (~5s), and instead of seeing all CPU usage spiking to 100%, all CPU usage drops to 0 which is lower than even system idle CPU usage which hovers around 5%.
This happens with the file manager, firefox, system settings, minecraft, gimp, everything.
I have a 4x 2.3GHz Intel Core i5-2410M CPU, and 16GB RAM, with Intel 3000 Mobile HD graphics with 512MB dedicated memory.
I can see no reason why this hardware setup would freeze the system for 5 seconds when I do simple things like click on links in my web browser.
Any ideas?
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