Hi, The man page for ibv_post_recv claims that it returns the value of errno if it fails.
I have a call to ibv_post_recv that's failing for reasons not quite clear to me, but errno is set to '2' when it fails, which is 'No such file or directory.' Furthermore, I looked at the post_recv source code in libmlx4-1.0 and can't find any references to errno. Basically, I have a loop that does a post_send, post_receive, poll_cq. The 2nd time through the loop the post_receive fails. So exactly what does ibv_post_recv return when it fails? As in, how can I find out exactly what the problem was? Thanks, Greg Kerr
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