Ubuntu
kvm package

  1. Bug #228442
  2. Comment #22

Comment 22 for bug 228442

Revision history for this message
Marcelo Boveto Shima (marceloshima) wrote :

Windows XP does not allow changing from non-acpi to acpi hal:
http://support.microsoft.com/kb/315278
and
http://support.microsoft.com/kb/309283

But as a workaround you can go to
Device Manager -> Computer -> MPS Multiprocessor
and update the driver to Standard PC.

This will give 1 idle processor to Windows instead of full workload cpus.