[Fedora-xen] Virt-manager does not connect to libvirt/Xen? Xen 4.1.5 installed from source on Fedora 17.

[ranjith krishnan]

Hello,

I posted this yesterday to the Xen-devel list, posting it additionally to
the fedoraproject list too.
My problem is Virt-manager is unable to connect to the hypervisor
(explained below). However, xm list, xm info work fine.

So I followed the guide
http://wiki.xen.org/wiki/Xen_4.2_Build_From_Source_On_RHEL_CentOS_Fedora
and built/installed Xen from source, using grub2-mkconfig to rebuild grub
and was able to reboot
Dom0 with Xen successfully.

Then I installed packages for virt-manager.
# yum install libvirt-daemon-xen python-virtinst
libvirt-daemon-config-network libvirt-daemon-driver-network virt-manager
virt-viewer
Everything got installed except for one package. Got an error message "No
package* libvirt-daemon-driver-network* available."

Now when I start virt-manager, it is unable to connect to Xen and fails
with the following error.
# virt-manager
   Unable to connect to libvirt.

  unable to connect to 'localhost:8000': Connection refused

  Verify that:
   - A Xen host kernel was booted
   - The Xen service has been started

  Libvirt URI is: xen:///

  Traceback (most recent call last):
    File "/usr/share/virt-manager/virtManager/connection.py", line 1027, in
_open_thread
     self.vmm = self._try_open()
    File "/usr/share/virt-manager/virtManager/connection.py", line 1009, in
_try_open
      flags)
    File "/usr/lib64/python2.7/site-packages/libvirt.py", line 102, in
openAuth
      if ret is None:raise libvirtError('virConnectOpenAuth() failed')
  libvirtError: unable to connect to 'localhost:8000': Connection refused

# xm list and # xm info work fine. This means xend is running right ?

Did some searching, found an old thread
http://old-list-archives.xenproject.org/xen-users/2010-06/msg00880.html
Added *(xend-unix-server yes)* to xen configuration file xend-config.sxp
and added *export VIRSH_DEFAULT_CONNECT_URI="xen:///"* to root's .bashrc.
Still no luck.

This might help, # rpm -qa | grep libvirt
libvirt-daemon-xen-0.9.11.9-1.fc17.x86_64
libvirt-daemon-0.9.11.9-1.fc17.x86_64
libvirt-0.9.11.9-1.fc17.x86_64
libvirt-python-0.9.11.9-1.fc17.x86_64
libvirt-daemon-config-network-0.9.11.9-1.fc17.x86_64
libvirt-daemon-config-nwfilter-0.9.11.9-1.fc17.x86_64
libvirt-client-0.9.11.9-1.fc17.x86_64

So in summary,
Built and installed from source Xen 4.1.5, on Fedora 17.
Can boot into Xen Dom0, xm works, xend running, But virt-manager unable to
connect to Xen!

Please help.
I have tried to give as much info as I could. Do let me know if you need
more info.

-- 
Ranjith krishnan
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