[ovs-discuss] OVS 2.10 geneve errors

[Gregory Rose]

On 8/21/2018 7:38 AM, William Tu wrote:
> On Mon, Aug 20, 2018 at 9:30 PM Manoj Sharma <manoj.sharma at nutanix.com> wrote:
>> It may be because of duplicate chassis IPs (same IP address used for more than one chassis).
>>
> Is this the case? I saw Guru is using different remote_ip
>
> --William

I'm looking into it today.

Thanks,

- Greg

>
>>
>> Thanks.
>>
>>
>>
>> From: <ovs-discuss-bounces at openvswitch.org> on behalf of Guru Shetty <guru at ovn.org>
>> Date: Monday, August 20, 2018 at 9:24 PM
>> To: discuss <discuss at openvswitch.org>, Greg Rose <gvrose8192 at gmail.com>, William Tu <u9012063 at gmail.com>
>> Subject: Re: [ovs-discuss] OVS 2.10 geneve errors
>>
>>
>>
>> I should clarify that I am seeing this in kernel datapath. I realized that my usage of "userspace geneve tunnels" can be misleading.
>>
>>
>>
>> On Mon, 20 Aug 2018 at 21:22, Guru Shetty <guru at ovn.org> wrote:
>>
>> Hello All,
>>
>>    Looks like with OVS 2.10, we cannot create more than 2 userspace geneve tunnels.
>>
>> You get an error that says: could not add network device geneve23 to ofproto (Device or resource busy)
>>
>>
>>
>> e.g:
>>
>>
>>
>> vagrant at k8smaster:~$ sudo ovs-vsctl show
>>
>> 86d11177-d982-48f9-a08e-c9f6f6587215
>>
>>      Bridge "br0"
>>
>>          Port "geneve23"
>>
>>              Interface "geneve23"
>>
>>                  type: geneve
>>
>>                  options: {remote_ip="192.168.0.3"}
>>
>>                  error: "could not add network device geneve23 to ofproto (Device or resource busy)"
>>
>>          Port "br0"
>>
>>              Interface "br0"
>>
>>                  type: internal
>>
>>     Bridge br-int
>>
>>          fail_mode: secure
>>
>>          Port "k8s-patch-br-int-br-localnet"
>>
>>              Interface "k8s-patch-br-int-br-localnet"
>>
>>                  type: patch
>>
>>                  options: {peer="k8s-patch-br-localnet-br-int"}
>>
>>          Port "ovn-d18708-0"
>>
>>              Interface "ovn-d18708-0"
>>
>>                  type: geneve
>>
>>                  options: {csum="true", key=flow, remote_ip="10.10.0.12"}
>>
>>          Port "26dfc422a6875c2"
>>
>>              Interface "26dfc422a6875c2"
>>
>>          Port br-int
>>
>>              Interface br-int
>>
>>                  type: internal
>>
>>          Port "ovn-8abe64-0"
>>
>>              Interface "ovn-8abe64-0"
>>
>>                  type: geneve
>>
>>                  options: {csum="true", key=flow, remote_ip="10.10.0.13"}
>>
>>                  error: "could not add network device ovn-8abe64-0 to ofproto (Device or resource busy)"
>>
>>
>>
>>