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Description of problem:
virt-manager cannot connect to remote hosts presently. I've tried a RHEL5 KVM host and a Fedora 12 KVM host, both report the same error. There are no issues with the connection as virsh can connect to the hypervisor and issue commands.

Version-Release number of selected component (if applicable):
RHEL6-Client-20100518

How reproducible:
RHEL5.5 and Fedora 12 report errors.

Steps to Reproduce:
1. Open virt-manager
2. Select File->'Add Connection...'
3. input the details for the host
  
Actual results:
Python error:
Unable to open connection to hypervisor URI 'qemu+ssh://root.redhat.com/system':
cannot recv data: Resource temporarily unavailable
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/connection.py", line 992, in _try_open
    None], flags)
  File "/usr/lib64/python2.6/site-packages/libvirt.py", line 111, in openAuth
    if ret is None:raise libvirtError('virConnectOpenAuth() failed')
libvirtError: cannot recv data: Resource temporarily unavailable

Maybe you need to install ssh-askpass in order to authenticate.


Expected results:
connection works.

Additional info:
ssh-askpass is not available in RHEL6.

SSH askpass looks like it was only added to the RHEL6 repos within the past couple days :)

I can see it here:

http://qafiler.bos.redhat.com/redhat/nightly/RHEL6.0-20100519.n.1/6/Server/x86_64/os/Packages/

but not here:

http://qafiler.bos.redhat.com/redhat/nightly/RHEL6.0-20100514.n.0/6/Server/x86_64/os/Packages/

(strangley http://qafiler.bos.redhat.com/redhat/nightly/latest-RHEL6.0/ points to the old tree).

Lack of askpass is the reason you are seeing that error, so closing as WORKSFORME.

Works for me too now. Verified, this is fixed.