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Re: [et-mgmt-tools] Virt-manager won't connect to Xen hypervisor

Steve Brueckner wrote:
I've installed Fedora 7, Xen 3.1 (from source), and virt-manager 0.4 (from
rpms).  The machine is VMX/VT-x capable.  I have managed to build and run a
paravirtualized Linux guest just fine.  Now I want to build an HVM Linux
guest, but virt-manager tells me "unable to open a connection to the Xen
hypervisor/daemon."  I've confirmed that both xend and libvirtd are running.

Here are the error details:

Unable to open connection to hypervisor URI 'xen':
<class 'libvirt.libvirtError'> virConnectOpenReadOnly() failed
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/engine.py", line 68, in
    conn = self.get_connection(uri, readOnly)
  File "/usr/share/virt-manager/virtManager/engine.py", line 309, in
    conn = vmmConnection(self.get_config(), uri, readOnly)
  File "/usr/share/virt-manager/virtManager/connection.py", line 74, in
    self.vmm = libvirt.openReadOnly(openURI)
  File "/usr/lib/python2.5/site-packages/libvirt.py", line 109, in
    if ret is None:raise libvirtError('virConnectOpenReadOnly() failed')
libvirtError: virConnectOpenReadOnly() failed

Can anyone see what I'm missing or what's broken?  If not, what should I do
next to debug or fix this?


Steve Brueckner, ATC-NY

We're going to need some more information: /var/log/xend/xend.log, /root/.virt-manager/virt-manager.log, and the libvirt version you are using. Are you using our xen 3.1 package (from Fedora 7) or XenSource's?


Red Hat Virtualization Group http://redhat.com/virtualization
Hugh Brock           | virt-manager http://virt-manager.org
hbrock redhat com    | virtualization library http://libvirt.org

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