Re: [OMPI devel] [ofa-general] Re: OMPI over ofed udapl - bugs opened

2007-05-09 Thread Caitlin Bestler
> > 2) OMPI is not adhering to the iwarp protocol requirement > that the ULP, > in this case OMPI, initiating the iwarp connection (the side > issuing the > dat_ep_connect() or rdma_connect()) _MUST_ be the first to > send an RDMA > message. So if a OMPI process _accepts_ an rdma connection, the

Re: [OMPI devel] [ofa-general] Re: OMPI over ofed udapl - bugs opened

2007-05-09 Thread Caitlin Bestler
Jeff Squyres wrote: > > - The other peer (the receiver of the connection) must wait > to send its pending fragment(s) until it receives the first > frag from the connection initiator. This can be accomplished > either with another flag on the OMPI module struct or perhaps > making it part of the

Re: [OMPI devel] [ofa-general] Re: OMPI over ofed udapl - bugs opened

2007-05-09 Thread Caitlin Bestler
general-boun...@lists.openfabrics.org wrote: >> Therefore, the only truly safe thing for an iWARP btl to do (or a >> udapl btl since that is also an iWARP btl) is to have the active >> layer send an MPI Layer "nop" of some kind immediately after >> establishing the connection if there is nothing el

Re: [OMPI devel] OMPI over ofed udapl - bugs opened

2007-05-09 Thread Caitlin Bestler
devel-boun...@open-mpi.org wrote: > Steve Wise wrote: >> There have been a series of discussions on the ofa general list about >> this issue, and the conclusion to date is that it cannot be resolved >> in the rdma-cm or iwarp-cm code of the linux rdma stack. Mainly >> because sending an RDMA messa

Re: [OMPI devel] [ofa-general] Re: OMPI over ofed udapl - bugs opened

2007-05-09 Thread Caitlin Bestler
general-boun...@lists.openfabrics.org wrote: > On Wed, 2007-05-09 at 17:55 -0700, Andrew Friedley wrote: >> >> Steve Wise wrote: >>> On Wed, 2007-05-09 at 16:15 -0700, Andrew Friedley wrote: Steve Wise wrote: > There have been a series of discussions on the ofa general list > about th

Re: [OMPI devel] OMPI over ofed udapl over iwarp

2007-05-10 Thread Caitlin Bestler
devel-boun...@open-mpi.org wrote: >> There are two new issues so far: >> >> 1) this has uncovered a connection migration issue in the Chelsio >> driver/firmware. We are developing and testing a fix for this now. >> Should be ready tomorrow hopefully. >> > > I have a fix for the above issue and

Re: [OMPI devel] OMPI over ofed udapl over iwarp

2007-05-11 Thread Caitlin Bestler
Donal Kerr wrote: >>> order of business after connection establishment >>> (mba_btl_udapl_sendrecv(). The RECV buffer post for this exchange, >>> however, should really be done _before_ the >>> dat_ep_connect() on the active side, and _before_ the >>> dat_cr_accept() on the server side. >>> Curre