On Tue, Oct 11, 2016 at 1:15 AM, xiongzhiwei <xiongzhi...@baicells.com> wrote:
> Thanks flaviof, As your email thread, I can't use the option
> "force-reload-kmod" to uninstall the openvswitch.ko.
> The error was always shown " modprobe: FATAL: Module openvswitch is in use."
>
> My operation is as below:
> 1. insmod openvswitch.ko
> modprobe openvswitch
> 2. start the ovsdb-server:
> ovsdb-server --remote=punix:/usr/local/var/run/openvswitch/db.sock
> --remote=db:Open_vSwitch,Open_vSwitch,manager_options
> --private-key=db:Open_vSwitch,SSL,private_key
> --certificate=db:Open_vSwitch,SSL,certificate
> --bootstrap-ca-cert=db:Open_vSwitch,SSL,ca_cert --pidfile --detach
> 3. start ovs-vswitchd
> ovs-vswitchd --pidfile --detach
> 4. add a ovs bridge
> ovs-vsctl add-br br0
> 5. remove this bridge
> ovs-vsctl del-br br0
>
> until this step3, I can successful uninstall openvswitch.ko and no error
> shown with command: modprobe -r openvswitch
> but, step 5, the error " modprobe: FATAL: Module openvswitch is in use." is
> shown when I want to remove the kernel mode of openvswitch, in spite of
> stopping ovs with "pkill ovs".
>
> I have found the virtual interface named "ovs-system" with command " ifconfig
> -a", I guess it is the key of this issue. So what can I do to remove the
> "ovs-system"?
>
You can you ovs-dpctl to delete the bridge.
`ovs-dpctl del-dp ovs-system`
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