id summary reporter owner description type status component version resolution keywords cc guest host 7872 "heavy load caused by: ""VBoxManage guestcontrol execute --wait-for exit ...""" Paolo Virtual "when waiting for a blocking program in the guest called by ""VBoxManage guestcontrol execute --wait-for exit ..."" there is a significant increase in CPU load on the host. This is caused by both processes VBoxSVC as well as VirtualBox, although the program in the guest does not cause any load within the guest. This behavior was observed, on Windows 7 and Linux hosts, with VirtualBox Versions 3.2.10, 3.2.12 as well as Beta 4.0. " defect closed VM control VirtualBox 3.2.12 fixed Linux Windows