Description of problem:
When double-click a remote connetion to make it runing, there's a password dialogue poping up. But it can't be canceld.

Version-Release number of selected component (if applicable):
virt-manager-0.6.1-3.el5

How reproducible:
100%

Steps to Reproduce:
1.Double-click a  remote connection that is disconnected.
2.A window pops up requesting the password of remote machine.
3.Click “Cancel” button.
  
Actual results:
It's unavailable.The window still exists and after I click Cancel button several times, there will be a error poping up,says:
Unable to open a connection to the libvirt management deamon.
Libvirt.libvirtError cannot recv data:Connection reset by peer None.

Expected results:
The password dialogue closes.

Additional info:
Details:
Unable to open connetion to hypervisor URI'qumu+ssh://root@dhcp-66-70-37/system':
libvirt.libvirtError cannot recv data: Connection reset by peer None.