Changqing> Roland: I did exactly what you said with two cards on a
Changqing> node, however, if I use the two physical channels for
Changqing> Message striping, 99% of the test passed, but for some
Changqing> condition, I got IBV_WC_RETRY_EXC_ERR, or the code Just
Changqing> hangs there with no sending completion(ibv_poll_cq
Changqing> returns 0). Do you think this is a firware issue, Or
Changqing> the driver issue ?
'retries exceeded' means that the transport retry count was
exceeded, so most likely your timeout is set too low.
Without seeing your code, I couldn't begin to say why you don't see a
send completion. If you are absolutely positive that you post a send
and you never see a completion for that send, then I guess it is a
firmware or hardware problem.
- R.
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