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[Qemu-devel] [Bug 654913] Re: Windows XP uses 200% CPU when given 2 VCPU
[Qemu-devel] [Bug 654913] Re: Windows XP uses 200% CPU when given 2 VCPUs
Wed, 20 Oct 2010 20:54:53 -0000
WinXP chews 200% CPU when switched in device manager to "MPS computer"
from "ACPI computer" even if there's no -no-acpi on the kvm command line
(after some tries I was able to switch it from ACPI to MPS). So it is
how windows works, not how kvm works.
** Changed in: qemu
Status: New => Invalid
Windows XP uses 200% CPU when given 2 VCPUs
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Status in QEMU: Invalid
When using libvirt to give a domain 2 CPUs (<domain
type='kvm'><vcpu>2</vcpu></domain>), the Windows XP kvm process will use 200%
CPU when Windows is idle. Switching the number of CPUs back to 1, the kvm
process gives normal idle percentages.
Using libvirt 0.8.3-1ubuntu9, tried with the following qemu-kvm packages:
The smp flag being set by libvirt is:
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