[ovs-discuss] Libvirtd throwing some error in kvm in openvswitch-2.0.0

[Ben Pfaff]

You need to provide information showing what libvirtd did and how it
failed.

On Wed, Feb 26, 2014 at 10:12:48PM +0530, Ramana Reddy wrote:
> @sachin: Yes I referred the document. But the xml file only comes after
> creating the VM.
> This error is throwing while creating the VM. I tried any way also: I
> created VM after creating br0 using brctl command,
> and deleted br0 and created br0 using ovs-vsctl and modified xml file, but
> still getting the same error when I start the VM.
> 
> @Ben: When I used ubuntu 12.04, KVM with libvirtd version 0.9.8 ( default
> one) and  openvswitch-1.7.1
> Its successfully creating the VMs. There is no need of modifying the xml
> file.
> 
> Libvirtd version 0.9.8 requires both openvswitch kernel module and brcompat
> kernel module.
> I installed both and created br0 using ovs-vsctl command and created VM in
> bridge mode. Its perfect.
> 
> Where as INSTALL.Libvirt is referring libvirtd version no at least 0.9.11
> or above. Now I tried with ubuntu 13.10
> with openvswith-2.0.0 and libvirtd ( default version no 1.1.1), But
> openvswitch 2.0.0 does not support
> brcompat module, so I Installed openvswitch kernel module only and created
> bridge br0, and trying to create
> VM in bridge mode, but its throwing the error.
> 
> Is some thing missing in my setup. Is the case that linux bridge module is
> needed along with openvswitch kernel
> module. I tried all the combinations, but getting the same error. Help in
> this case is highly appreciated.
> 
> Thanks,
> Ramana.
> 
> 
> 
> 
> On Wed, Feb 26, 2014 at 9:39 PM, Ben Pfaff <blp at nicira.com> wrote:
> 
> > On Wed, Feb 26, 2014 at 12:45:58PM +0530, Ramana Reddy wrote:
> > > I have installed openvswitch-2.0.0 on ubuntu 13.10 ( kernel:
> > > 3.8.0-34-generic), and
> > > created a bridge br0. Now I started virt-manager to install VM.  I
> > selected
> > > bridge
> > > mode  and given br0 as bridge name. After that when I click  finish
> > button
> > > its
> > > throwing the following error (libvirtd version is 1.1.1).
> >
> > The error messages you provided don't give any hint as to the problem,
> > or even whether Open vSwitch is involved.  For us to help, you will need
> > to provide additional information showing what libvirtd did and how it
> > failed.
> >