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. -- KVM eats 100% CPU, Host Hardy64, Guest XP with more than 1 VCPU https://bugs.launchpad.net/bugs/228442 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
