Virt-manager cannot connect to local hypervisor qemu:///system

[jaivuk]

Hi guys,

I have huge problem with virt-manager as it displays errors below [1].
Problem happened after I upgraded in quick succession from F10 to F11 and
then to F12. If I do yum update, it says "No Packages marked for Update" -
so I'm pretty sure my system is up-to-date F12.

My libvirt is running:
root      8030     1  0 10:34 ?        00:00:00 libvirtd --daemon
However my polkit agent is not running [2]. (not sure if it is a must)

I have two virutal machines defined under qemu-kvm and one is running fine
and one is not. Without virt-manager I'm unable to investigate the problem.
Is there any other way how can I get inside my running virtual machine (ssh
does not work)?

I'm also not sure if my problem is related to this bug or not, but I also
have exactly the same problem as described in this bug
https://bugzilla.redhat.com/show_bug.cgi?id=581387

And in final here are the packages I use:
Package python-virtinst-0.500.1-2.fc12.noarch already installed and latest
version
Package 2:qemu-kvm-0.11.0-13.fc12.x86_64 already installed and latest
version
Package virt-manager-0.8.2-3.fc12.noarch already installed and latest
version
Package virt-viewer-0.2.0-1.fc12.x86_64 already installed and latest version
Package libvirt-0.7.1-15.fc12.x86_64 already installed and latest version
Any help is appreciated, I have web-server running inside non functional
virt-machine and it is down now :(

Thank you in advance,

Jaiv

[1]
Unable to open connection to hypervisor URI 'qemu:///system':
authentication failed
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/connection.py", line 872, in
_try_open
    None], flags)
  File "/usr/lib64/python2.6/site-packages/libvirt.py", line 102, in
openAuth
    if ret is None:raise libvirtError('virConnectOpenAuth() failed')
libvirtError: authentication failed

Error starting Virtual Machine Manager: Failed to contact configuration
server; some possible causes are that you need to enable TCP/IP networking
for ORBit, or you have stale NFS locks due to a system crash. See
http://projects.gnome.org/gconf/ for information. (Details -  1: Failed to
get connection to session: Did not receive a reply. Possible causes include:
the remote application did not send a reply, the message bus security policy
blocked the reply, the reply timeout expired, or the network connection was
broken.)
Traceback (most recent call last):
  File "/usr/share/virt-manager/virt-manager.py", line 404, in <module>
    main()
  File "/usr/share/virt-manager/virt-manager.py", line 335, in main
    icon_dir, data_dir)
  File "/usr/share/virt-manager/virtManager/config.py", line 89, in __init__
    gconf.CLIENT_PRELOAD_NONE)
GError: Failed to contact configuration server; some possible causes are
that you need to enable TCP/IP networking for ORBit, or you have stale NFS
locks due to a system crash. See http://projects.gnome.org/gconf/ for
information. (Details -  1: Failed to get connection to session: Did not
receive a reply. Possible causes include: the remote application did not
send a reply, the message bus security policy blocked the reply, the reply
timeout expired, or the network connection was broken.)

[2]
# /usr/libexec/polkit-gnome-authentication-agent-1 &
[1] 22686
#
(polkit-gnome-authentication-agent-1:22686): polkit-gnome-1-WARNING **:
Unable to determine the session we are in: Remote Exception invoking
org.freedesktop.ConsoleKit.Manager.GetSessionForUnixProcess() on
/org/freedesktop/ConsoleKit/Manager at name org.freedesktop.ConsoleKit:
org.freedesktop.ConsoleKit.Manager.GeneralError: Unable to lookup session
information for process '22686'
org.freedesktop.ConsoleKit.Manager.GeneralError
Unable%20to%20lookup%20session%20information%20for%20process%20%2722686%27
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