[ovs-discuss] Unable to create a port on OVS bridge

Nishanth Devarajan dev_raj82 at yahoo.com
Wed Oct 14 13:46:29 UTC 2015


I tried, I don’t know why but it doesn’t work. I even tried removing OVS entirely and reinstalling it again. Even then it gives the same error. However when I run mininet , the topology works fine without any error from OVS or anything else. How does that even work? 

Thanks,
Nishanth
> On 13-Oct-2015, at 11:35 pm, Gurucharan Shetty <shettyg at nicira.com> wrote:
> 
> Where ever you did a 'make install', do a 'make uninstall'. The end
> result should be that 'find /usr -name ovs-vswitchd' should only say
> /usr/sbin/ovs-vswitchd.
> 
> Then:
> ps -ef | grep ovs
> 
> Kill both ovs-vswitchd and ovsdb-server processes using 'kill'.
> 
> 
> Then do '/etc/init.d/openvswitch start'
> 
> On Tue, Oct 13, 2015 at 10:17 AM, Nishanth Devarajan
> <dev_raj82 at yahoo.com> wrote:
>> No I don’t know what Im doing very well. How exactly do I uninstall one of them completely so that I don’t get this problem? Also thanks :)
>>> On 13-Oct-2015, at 9:55 pm, Gurucharan Shetty <shettyg at nicira.com> wrote:
>>> 
>>> On Tue, Oct 13, 2015 at 9:01 AM, Nishanth Devarajan <dev_raj82 at yahoo.com> wrote:
>>>> It says;
>>>> /usr/sbin/ovs-vswitchd
>>>> /usr/local/sbin/ovs-vswitchd
>>> 
>>> The error message in your log file says that there was already a
>>> ovs-vswitchd running. It is likely that since you have 2 ovs-vswitchd
>>> installed in your system, one of them has already been started with a
>>> startup script. So when you start the other one, it complained saying
>>> that another one has already been started.
>>> 
>>> You having 2 ovs-vswitchd in /usr/sbin/ and /usr/local/sbin/ also
>>> tells me that you likely installed one using 'make install' and the
>>> other using rpm or ubuntu packages. I strongly suggest to uninstall
>>> one of them (unless you know very well what you are doing)
>> 



More information about the discuss mailing list