With a MacBook Pro and running Mac OS X 10.6.4, VirtualBox 3.2.8 PEUL , I get CPU spikes with a Centos 5.5 guest, console only ( no guest additions ) . The guest CPU is idle, but the host CPU uses around 40-80% most of the time. I tried disabling nested paging, VT-x, even messed with the APIC settings.
Starting up a second guest, as hinted in the forum, did not help.
Current VM configuration:
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Oracle VM VirtualBox Command Line Management Interface Version 3.2.8
(C) 2005-2010 Oracle Corporation
All rights reserved.
Name: CentOS 5
Guest OS: Red Hat
UUID: 1eb5a255-103e-4468-847a-e35a01c4bf43
Config file: /Users/robertmunteanu/Library/VirtualBox/Machines/CentOS 5/CentOS 5.xml
Hardware UUID: 1eb5a255-103e-4468-847a-e35a01c4bf43
Memory size: 1024MB
Page Fusion: off
VRAM size: 12MB
HPET: off
Number of CPUs: 1
Synthetic Cpu: off
CPUID overrides: None
Boot menu mode: message and menu
Boot Device (1): DVD
Boot Device (2): HardDisk
Boot Device (3): Not Assigned
Boot Device (4): Not Assigned
ACPI: on
IOAPIC: off
PAE: off
Time offset: 0 ms
RTC: UTC
Hardw. virt.ext: on
Hardw. virt.ext exclusive: off
Nested Paging: on
Large Pages: off
VT-x VPID: on
State: powered off (since 2010-08-10T11:12:30.000000000)
Monitor count: 1
3D Acceleration: off
2D Video Acceleration: off
Teleporter Enabled: off
Teleporter Port: 0
Teleporter Address:
Teleporter Password:
Storage Controller Name (0): IDE Controller
Storage Controller Type (0): PIIX4
Storage Controller Instance Number (0): 0
Storage Controller Max Port Count (0): 2
Storage Controller Port Count (0): 2
Storage Controller Name (1): SATA Controller
Storage Controller Type (1): IntelAhci
Storage Controller Instance Number (1): 0
Storage Controller Max Port Count (1): 30
Storage Controller Port Count (1): 1
IDE Controller (1, 0): /Applications/VirtualBox.app/Contents/MacOS/VBoxGuestAdditions.iso (UUID: b20e57e6-82e6-4b98-901f-400a222fb9e5)
SATA Controller (0, 0): /Users/robertmunteanu/Library/VirtualBox/HardDisks/Centos.vdi (UUID: 4cd34d4d-20b5-4c20-a7c0-6e6271aa4c3b)
NIC 1: MAC: 080027E8EA36, Attachment: NAT, Cable connected: on, Trace: off (file: none), Type: 82540EM, Reported speed: 0 Mbps, Boot priority: 0
NIC 1 Settings: MTU: 0, Socket( send: 64, receive: 64), TCP Window( send:64, receive: 64)
NIC 2: disabled
NIC 3: disabled
NIC 4: disabled
NIC 5: disabled
NIC 6: disabled
NIC 7: disabled
NIC 8: disabled
Pointing Device: PS/2 Mouse
Keyboard Device: PS/2 Keyboard
UART 1: disabled
UART 2: disabled
Audio: disabled
Clipboard Mode: Bidirectional
VRDP: disabled
USB: disabled
USB Device Filters:
<none>
Shared folders: <none>
Guest:
Configured memory balloon size: 0 MBThanks,
Robert