[ofa-general] ibverbs help

[Roland Dreier]

 > My assumption is that when I call ibv_post_send or ibv_post_recv, that I
 > should be able to receive notification of the completion of that call by
 > spinning on ibv_poll_cq until the work completion is available.
 > However, my program spins on ibv_poll_cq indefinitely.  Is there an
 > error in my understanding?  Or an error in my program (attached).

You are correct that every send request should generate a completion
queue entry (as long as you request signaling, and your code does send
IBV_SEND_SIGNALED).  Assuming that the tests like ibv_rc_pingpong work
on your system, then a bug in your code is by far the most likely
explanation.

 - R.