Troy> What's this mean? da4:~/NetPIPE_3.6.2# ibv_rc_pingpong
Troy> 10.1.5.218 local address: LID 0x0002, QPN 0x0d0404, PSN
Troy> 0x599dea remote address: LID 0x0001, QPN 0x090404, PSN
Troy> 0x93b0c8 Couldn't post send
ibv_post_send() is failing. Most likely the send queue is overflowing.
Did ibv_rc_pingpong work in the past? If so what changed in your setup?
If you change the line
.max_send_wr = 1,
in rc_pingpong.c to
.max_send_wr = 4,
does it work? How about
.max_send_wr = 2,
Thanks,
Roland
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