[ofa-general] What does IBV_WC_REM_OP_ERR after a verb send indicate?

[Nitin Mehrotra]

Roland,

Thanks for your response; we suspected that because of the way we 
allocate buffers and are reworking the code to change it. Good to see 
your response because that means it's probably not a wasted effort.

Nitin

Roland Dreier wrote:
>  > I am getting this error on a verb send operation and I can't figure
>  > out what could be the cause; I searched for all instances of this
>  > error in the IB code and while I found 4, none was illuminating.
>
> IBV_WC_REM_OP_ERR corresponds to "Remote Operation Error," which the IB
> spec describes as:
>
>     The operation could not be completed successfully by the
>     responder. Possible causes include a responder QP related error that
>     prevented the responder from completing the request or a malformed
>     WQE on the Receive Queue.
>
> Usually means a memory protection problem on the remote end.
>
>  - R.
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