On 04/08/2013 02:44 PM, Will Dennis wrote:
> Update: I have upgraded from libvirt 0.9.8 on the virtualization server
> to libvirt 1.0.4. Now the net-define command works with the "virtualport
> type='openvswitch'" directive in it. So I did a "net-edit" on the
> networks, added that line in, and saved them. So now I am assuming
> libvirt knows that the underlying bridge type is Open vSwitch. However,
> when I try to use virt-manager (which is 0.9.4 running on Fedora 18) to
> spin up a new VM and try to attach it to one of the networks I defined
> on the virtualization host (runs Ubuntu 12.04 Server with libvirt 1.0.4
> as I had mentioned above), I am now getting the following different
> traceback:
>
> Unable to complete install: 'Unable to add port vnet0 to OVS bridge
> vl20-ovsbr0: Operation not permitted'
Please send a copy of your network definition, as well as the
<interface> element of your guest's definition so that we can see what
you're working with.
Does the OVS bridge named vl20-ovsbr0 exist?
>
> Traceback (most recent call last):
> File "/usr/share/virt-manager/virtManager/asyncjob.py", line 96, in
> cb_wrapper
> callback(asyncjob, *args, **kwargs)
> File "/usr/share/virt-manager/virtManager/create.py", line 1943, in
> do_install
> guest.start_install(False, meter=meter)
> File "/usr/lib/python2.7/site-packages/virtinst/Guest.py", line 1249,
> in start_install
> noboot)
> File "/usr/lib/python2.7/site-packages/virtinst/Guest.py", line 1317,
> in _create_guest
> dom = self.conn.createLinux(start_xml or final_xml, 0)
> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 2606, in
> createLinux
> if ret is None:raise libvirtError('virDomainCreateLinux() failed',
> conn=self)
> libvirtError: Unable to add port vnet0 to OVS bridge vl20-ovsbr0:
> Operation not permitted
>
> So the error went from "Operation not supported" to "Operation not
> permitted"... Is this some sort of a permissions error now??
>
> If someone could please help me figure this out, that would be great, as
> I'm up against a bit of a deadline with this to get it working...
>
> Thanks,
> Will
>
> -----Original Message-----
> From: Will Dennis
> Sent: Friday, April 05, 2013 12:12 PM
> To: libvirt-users@xxxxxxxxxx
> Subject: Problem with net-define using Open vSwitch bridge
>
> Hi all,
>
> I used "net-define" to create a network to use to attach VMs to an Open
> vSwitch bridge. The net-define worked fine, I can see the network in
> "net-list" (I set it to started and to autostart) but when I try to
> attach a new VM's NIC to this network (via virt-manager), I'm getting
> the following traceback:
>
> Unable to complete install: 'Unable to add bridge vl10-ovsbr0 port
> vnet0: Operation not supported'
>
> Traceback (most recent call last):
> File "/usr/share/virt-manager/virtManager/asyncjob.py", line 96, in
> cb_wrapper
> callback(asyncjob, *args, **kwargs)
> File "/usr/share/virt-manager/virtManager/create.py", line 1943, in
> do_install
> guest.start_install(False, meter=meter)
> File "/usr/lib/python2.7/site-packages/virtinst/Guest.py", line 1249,
> in start_install
> noboot)
> File "/usr/lib/python2.7/site-packages/virtinst/Guest.py", line 1317,
> in _create_guest
> dom = self.conn.createLinux(start_xml or final_xml, 0)
> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 2606, in
> createLinux
> if ret is None:raise libvirtError('virDomainCreateLinux() failed',
> conn=self)
> libvirtError: Unable to add bridge vl10-ovsbr0 port vnet0: Operation not
> supported
>
> I'm going to assume the problem is that the bridge is not a linux
> bridge, but an Open vSwitch bridge. But I did have a line in the XML
> file that I used for net-define as follows:
>
> <virtualport type='openvswitch'/>
>
> But when I ran net-define, it failed to create the network with the
> error:
>
> XML error: unexpected virtualport type -1
>
> Removing that line and re-running the net-define worked, as I have
> stated above. How do I tell libvirt that this bridge is an Open vSwitch
> bridge and not a regular Linux bridge?
>
> Thanks,
> Will
>
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>
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