Not enough information to be able to help.
Forum Posting Guideline
* Please provide host and guest memory.
* What are the VBox settings (all of them) for the guest?
* What (if any) error messages are you getting?
Ubuntu 9.04
Sun VirtualBox 3.0.2 r49928
Guest allotted 350 Meg out of 1 gig memory
ACPI enabled
IO APIC Enabled
Display 12 MB
Hard disk .vdi file
PIIX4
Audio off
Before bringing VB up:
top - 19:42:48 up 36 min, 2 users, load average: 0.17, 0.24, 0.17
Tasks: 134 total, 3 running, 131 sleeping, 0 stopped, 0 zombie
Cpu0 : 0.7%us, 0.3%sy, 0.0%ni, 99.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 4.8%us, 3.9%sy, 0.0%ni, 91.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1017404k total, 603052k used, 414352k free, 16444k buffers
Swap: 979924k total, 0k used, 979924k free, 259560k cached
After VB started, before guest started:
top - 19:47:06 up 41 min, 2 users, load average: 0.16, 0.20, 0.17
Tasks: 137 total, 1 running, 136 sleeping, 0 stopped, 0 zombie
Cpu0 : 1.3%us, 0.3%sy, 0.0%ni, 98.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 5.4%us, 2.6%sy, 0.0%ni, 92.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1017404k total, 623132k used, 394272k free, 16944k buffers
Swap: 979924k total, 0k used, 979924k free, 260624k cached
Guest Windows started and locked after a couple of minutes:
top - 19:54:03 up 48 min, 2 users, load average: 1.11, 0.68, 0.37
Tasks: 138 total, 2 running, 136 sleeping, 0 stopped, 0 zombie
Cpu0 : 0.0%us, 75.1%sy, 0.0%ni, 24.9%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 3.3%us, 2.3%sy, 0.0%ni, 94.1%id, 0.0%wa, 0.3%hi, 0.0%si, 0.0%st
Mem: 1017404k total, 995132k used, 22272k free, 19188k buffers
Swap: 979924k total, 8736k used, 971188k free, 204564k cached
At this point windows guest screen is displayed, but the guest is completely unresponsive. There are no error messages.
VBOX Settings:
Version 3.0.2 r49928
Guest allotted 350 Meg out of 1 gig memory
ACPI enabled
IO APIC Enabled
Display 12 MB
Hard disk .vdi file
PIIX4
Audio off
Network card (disabled) PCnet-FAST III (Am79C93)
No Serial Ports
USB disabled.