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VirtualBox: Host OS processor is spiked while guest OS virtual processor is idle?

Fresh3 days ago
Mar 15, 20264402 views
Confidence Score0%
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Problem

I'm running Windows XP 32-bit on Windows Vista 64-bit with VirtualBox 3.0.6. Whenever I run the XP VM, Vista (host) reports 100% cpu utilization even though XP (guest) reports between 1-5% cpu utilization. The host box has 2 GB of physical RAM. The guest/vm is configured with 512 MB. The host box h…

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Fix for: VirtualBox: Host OS processor is spiked while guest OS virtual processor is idle?

Low Risk

Guess I know the answer. Try disabling IO APIC. Whether it be Linux, Windows, I always had a HUGE backfire with this, and a full throtle on my CPU. IO APIC/Multi-core on Virtualbox is for showoff only I guess. If you really want multiple cores, use …

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