id summary reporter owner description type status component version resolution keywords cc guest host 4751 cyclic services.exe cpu consumption on Windows XP guest. nemo34 "I am using VirtualBox 3.0.4 on Ubuntu 9.04 host and a vdmk image of my windows XP sp3 guest. CPU load has been an issue from the beginning. After two weeks, I have upgraded every driver I could find and attempted most combos of parameters I could Please note I am running on a DELL Latitude D630 with an Intel DualCore, but I am declaring only one processor. All attempts to use 2 processors with IO-ACPI and VT-x enabled failed to boot. After booting the VM, CPU usage on Host is stable at 46 - 48% CPU usage on Guest varies periodically from 5% to 100%. I isolated the servcices.exe as the CPU consumer and started shutting down services one after another but failed to locate the faulty one. Remark one: 48% CPU usage on Host is a lot... " defect closed other VirtualBox 3.0.4 duplicate cpu load services.exe cyclic saturation Ubuntu 9.0.0 Windows Linux