> -----Original Message----- > From: Jeff Squyres (jsquyres) [mailto:jsquy...@cisco.com] > Sent: Monday, August 19, 2013 3:23 PM > To: Steve Wise > Cc: Open MPI Developers; Indranil Choudhury > Subject: Re: [OMPI devel] openmpi-1.7.2 fails to use the RDMACM CPC > > No need to both post to the ticket and to devel -- just pick one. :-) >
Mkay. > Can you send a patch/fix? > I could if I had a patch/fix. :) I don't (yet) understand why HAVE_IBV_LINK_LAYER_ETHERNET was added. Can the developer who made these changes explain the intent? I think it might have to do with RoCE support. > > On Aug 19, 2013, at 4:17 PM, Steve Wise <sw...@opengridcomputing.com> wrote: > > >> -----Original Message----- > >> From: devel [mailto:devel-boun...@open-mpi.org] On Behalf Of Steve Wise > >> Sent: Monday, August 19, 2013 2:42 PM > >> To: 'Open MPI Developers'; 'Jeff Squyres (jsquyres)' > >> Cc: 'Indranil Choudhury' > >> Subject: Re: [OMPI devel] openmpi-1.7.2 fails to use the RDMACM CPC > >> > >> I confirmed that this is a regression from 1.7.1... > >> > >> I'll see if I can figure out what's going on... > >> > > > > > > Looks like this is not defined anywhere: HAVE_IBV_LINK_LAYER_ETHERNET, > > which causes > > btl_openib_connect_oob.c:oob_component_query() to falsely claim oob support > > for iwarp devices. > > > > In 1.7.1 we see this in oob_component_query(): > > > > #if defined(HAVE_STRUCT_IBV_DEVICE_TRANSPORT_TYPE) > > if (BTL_OPENIB_CONNECT_BASE_CHECK_IF_NOT_IB(btl)) { > > opal_output_verbose(5, mca_btl_base_output, > > "openib BTL: oob CPC only supported on > > InfiniBand; skipped on %s:%d", > > ibv_get_device_name(btl->device->ib_dev), > > btl->port_num); > > return OMPI_ERR_NOT_SUPPORTED; > > } > > #endif > > > > In 1.7.2, it adds the HAVE_IBV_LINK_LAYER_ETHERNET define: > > > > #if defined(HAVE_STRUCT_IBV_DEVICE_TRANSPORT_TYPE) && > defined(HAVE_IBV_LINK_LAYER_ETHERNET) > > if (BTL_OPENIB_CONNECT_BASE_CHECK_IF_NOT_IB(btl)) { > > opal_output_verbose(5, mca_btl_base_output, > > "openib BTL: oob CPC only supported on > > InfiniBand; skipped on %s:%d", > > ibv_get_device_name(btl->device->ib_dev), > > btl->port_num); > > return OMPI_ERR_NOT_SUPPORTED; > > } > > #endif > > > > > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/
