Michael> I dont think so. I found this:
Michael> C9-88: For an HCA responder using Reliable Connection
Michael> service, for each zero-length RDMA READ or WRITE request,
Michael> the R_Key shall not be validated, even if the request
Michael> includes Immediate data.
Michael> Can it be you generate a non-zero RDMA in mthca.
It's possible. I'll put some more work into testing this out soon.
However it also seems possible that the current mem-free FW may have a
bug in handling this.
SDP is generating the 0-length RDMA by posting an RDMA READ with a
single scatter entry whole length is zero, which may behave
differently from posting an RDMA READ with no scatter entries. I need
to check this out, and also test on Tavor.
- R.
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