>> Hmm, in my local testing we've been able to use the 40G mlxen(4)
>> adapters fine with the OFED stack. I believe we have also done a bit
>> more involved testing on the IB side than just ping as well (at least
>> RX and TX of UDP packets).
> Well, it didn't work for us. We have the connext3 cards. And our goal
> was making iscsi-over-RDMA and NFS-over-RDMA work. Though at the end
> we've settled with linux and not using RDMA, because that's kinda messy.
> When we've tried to do some testin with netcat, no packets were
> transmitted really. They've got somewhere lost, there had been some
> error message in the syslog, which i can't recall now. We felt like the
> packets are getting lost somewhere between the OFED and the IP stack.
Have you run subnet manager (e.g. opensm)?
Infinband networks doesn't work without it.