/tags/spice/Recent content in Spice on LifeHugoen-usSun, 12 Jan 2014 21:00:00 +0530/post/2014/2014-01-12-windows-7-on-kvm-high-cpu-usage-on-host-while-guest-is-idle/Sun, 12 Jan 2014 21:00:00 +0530/post/2014/2014-01-12-windows-7-on-kvm-high-cpu-usage-on-host-while-guest-is-idle/<p>If you notice unusually high CPU usage on your KVM host while a Windows 7 virtual machine sits completely idle, remove the virtual USB tablet input device from the VM configuration. Once removed, host CPU utilization drops immediately.</p> <p><img alt="Windows 7 CPU Usage Screenshot" loading="lazy" src="../../post/2014/images/win7-kvm-cpu-usage.png"></p> <p><strong>Reference:</strong> <a href="http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=672720">Debian Bug 672720</a></p>