On 03/07/2013, at 12:52 AM, Ryan Aydelott wrote: <snip> > [2013-07-02 21:04:51.414278] W [rdma.c:4197:__gf_rdma_ctx_create] 0-rpc-transport/rdma: rdma_cm event channel creation failed (No such file or directory) Note, I don't use Ubuntu. :) As an off chance thought, the above line from the error message looks like there's a problem with your IPoIB's Connected Mode. Is there any chance the adapters aren't running in Connected Mode for some reason? Regards and best wishes, Justin Clift -- Open Source and Standards @ Red Hat twitter.com/realjustinclift