I'm still seeing the hang. > I debugged this to see why it hangs. The problem, as I see it, is in the > server side. The problem is shown in the diagram below (connection set up > and tear down are omitted). Both sides post 10 receive buffers. > > 1. Server sends ten messages > (not signaled) > 2. Client polls recv cq and > receives 10 messages > 3. Client sends 10 messages > 4. Server polls the send cq for > completions > 5. Server polls the recv cq for > completions > > The server hangs in step 4 where it is looking for send completions but there > will not be any because the signaled flag was not set in step 1. > > ucmatose completes when I change the following line: > send_wr.send_flags = 0; > to > send_wr.send_flags = IBV_SEND_SIGNALED; > > Don Wood > > _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general
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