I resolved the problem by disabling all compiz visual effects. See tip #9 on this link: http://www.upubuntu.com/2012/06/11-tips-to-speed-up-computers-running.html
I resolved the problem by disabling all compiz visual effects. See tip #9 on this link: www.upubuntu. com/2012/ 06/11-tips- to-speed- up-computers- running. html
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