Sorry for the multiples posts but I can confirm the problem comes from libvirt.
On a fresh Ubuntu Server 8.04 (64 bits), where there was the problem, I simply installed the libvirt0 package from Intrepid repository (0.4.2). Now Virt-manager works great with local connections to Xen.
Sorry for the multiples posts but I can confirm the problem comes from libvirt.
On a fresh Ubuntu Server 8.04 (64 bits), where there was the problem, I simply installed the libvirt0 package from Intrepid repository (0.4.2). Now Virt-manager works great with local connections to Xen.