[ovs-discuss] Intel X550T2 nic dpdk issue

[David Marchand]

On Tue, Oct 19, 2021 at 6:53 PM Ilya Maximets <i.maximets at ovn.org> wrote:
> >>>> Hi.  The ERR log above likely means that you reached the maximum
> >>>> number of DPDK ports.  Most likely, your DPDK is built with default
> >>>> max_ethports, which is 32, and your system has more devices.
> >>>> You need to increase the value and re-build DPDK (and OVS afterwards),
> >>>> or reduce the number of devices.
> >
> > This message about max_ethports is from OVS code.
> > IIRC, it gets displayed when either DPDK probe fails or max number of
> > port is reached.
>
> 'Invalid port_id=32' goes from DPDK.  OVS has no such logs.
>

By this, I meant that this log is displayed because of how OVS probing
code reports a DPDK_ETH_PORT_ID_INVALID on DPDK probe error.
Later, OVS asks dpdk about DPDK_ETH_PORT_ID_INVALID (==
RTE_MAX_ETHPORTS) port validity and the above message gets displayed.


-- 
David Marchand