Comment 7 for bug 332156

I tried and successfully reproduced the issue with single processor in Hardy 64-bit host and 32-bit guest. [1] Next I tried installation of the PPA, and couldn't been able to start the VM after that (screenshot attached). After removing the PPA packages [2] and installing the original Hardy packages back [3] guest host is able to boot and run. Is there something I need to do to be able to run the VM with PPA packages?

[1]
eth0 Link encap:Ethernet HWaddr 52:54:00:92:98:b0
          inet addr:192.168.1.173 Bcast:192.168.1.255 Mask:255.255.255.0
          inet6 addr: fe80::5054:ff:fe92:98b0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:769793 errors:60 dropped:116 overruns:0 frame:0
          TX packets:715790 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:773865207 (738.0 MB) TX bytes:770534040 (734.8 MB)
          Interrupt:11 Base address:0xc100

[2] With PPA enabled removing the packages PPA upgrades:
apt-get remove kvm libvirt-bin libvirt0 python-libvirt

[3] With PPA disabled instaling the original Hardy packages:
apt-get install kvm libvirt-bin libvirt0 python-libvirt python-virtinst virt-manager virt-viewer