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

Gurucharan Shetty shettyg at nicira.com
Wed Oct 14 18:21:08 UTC 2015


What is that you want to do at a high level? i.e. what is your goal?

On Wed, Oct 14, 2015 at 6:46 AM, Nishanth Devarajan <dev_raj82 at yahoo.com> wrote:
> 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)
>>>
>



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