[ovs-discuss] Reg Error while inserting the openvswitch_mod

Ben Pfaff blp at nicira.com
Wed Sep 22 23:49:16 UTC 2010

On Wed, Sep 22, 2010 at 02:19:07PM -0700, Aniruddha Kadne wrote:
> I am Aniruddha from Arizona State University, Az. I am trying to set up a
> cloud network using Citrix XenServer 5.6, which uses openvswitch. When I try
> to */etc/init.d/openvswitch start* on any XenServer, it gives me following
> error.
> Inserting openvswitch module FATAL: Error inserting openvswitch_mod
> (/lib/modules/
> Address already in use

You can't switch from the Linux bridge to OVS on a running XenServer.

You probably want to just:
        echo openvswitch > /etc/xensource/network.conf
and then reboot.  OVS should start automatically at boot.

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