id summary reporter owner description type status component version resolution keywords cc guest host 4123 high CPU usage on Ubuntu SeventhSon After upgrade VirtualBox from 2.1.2 to 2.2.2 on Ubuntu 8.10 and install MS Windows as guest i found that guest OS takes 10% of CPU usage in 'top'.May be this is normal but i see that host OS works very slow now and i can't start any other programs.In this moment guest OS works good and fast.On 2.1.2 all was fine. defect closed other VirtualBox 2.2.2 fixed other other