2012/6/10 Thomas Goirand wrote: > Let's put it this way: I can't run Virtualbox AND > Firefox at the same time, or my laptop becomes unusably > slow and non responsive. Do you use 2.6 kernel and have FF profile and VB images on the same ext4 partition? Can you reproduce that with 3.2 kernel? PS: you can check the output of `latencytop` as well. -- Serge