[libvirt-users] Windows guest eats as many CPU as available

Matthias Meyer Matthias.Meyer at gmx.li
Mon Jan 10 22:25:17 UTC 2011

Am Montag 10 Januar 2011 schrieben Sie:
> On Mon, January 10, 2011 07:05, Matthias Meyer wrote:
> > Hello,
> >
> > I run Debian on my Laptop Lenovo X60s (with VT).
> > I've created a Windows-XP as well as a Windows-Vista guest on it.
> > Both, XP as well as Vista, eats as many CPU as available.
> > Therefore the CPU always has high load and will never reduce 
> > or ventilator.
> Can you check if there is a particular process inside Windows that is
> using all of the CPU via the Task Manager?
> Steve

No, there is only the idle-process ("Leerlaufprozess" in german) which need 
96% of the CPU in an average.
In the same time KVM needs nearly 100% of my Host-CPU.

13895 ?        Sl    21:21 /usr/bin/kvm -S -M pc -m 256 -smp 1 -name 
devel-xp -monitor pty -localtime -no-acpi -boot c -drive 
file=/var/lib/libvirt/images/devel-xp.qcow2,if=ide,index=0,boot=on -drive 
file=/mnt/MultiMedia/CD-Server/Betriebssysteme/Windows/WindowsNT/WindowsXPpro_sp2_de.iso,if=ide,media=cdrom,index=2 -net 
nic,macaddr=54:52:00:61:dd:94,vlan=0 -net 
tap,fd=14,script=,vlan=0,ifname=vnet0 -serial pty -parallel 
none -usb -usbdevice tablet -vnc -k de -soundhw es1370

Don't Panic

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