[dpdk-dev] i40e: pci probe fails when using one bogus sfp

[Bruce Richardson]

On Thu, Jun 08, 2017 at 11:29:17AM +0200, Olivier Matz wrote:
> Hi,
> 
> One of our customers encounters an issue with dpdk when there
> is a bogus SFP on one of the ports. The following message is
> reported:
> 
>   PMD: eth_i40e_dev_init(): Failed to sync phy type: -95 
> 
> (note: 95 is EOPNOTSUPP/ENOTSUP)
> 
> Unfortunately I cannot reproduce the issue to give more details,
> but the hypothesis is that it fails in i40e_dev_sync_phy_type().
> It could be related to that patch:
> 
>   http://dpdk.org/browse/dpdk/commit/?id=edfb226f69bf
> 
> To me, the expected behavior should be:
> - pci probe is succesful
> - the initialization of the port with faulty SFP fails
> - the initialization of the other ports is succesful
> 
> Do you have any comment or idea to fix this issue?
> 
And what is the current behaviour you are seeing? The whole PCI probe is
terminating after the failure on the error port? Can that one problem
port not just be blacklisted, since it's presumably unusable anyway?

/Bruce