[openib-general] problem with memory registration-RDMA kernel utliity

[Dotan Barak]

Hi.

> All these operations are not generating any errors
> But when i pass this address (addr_array[0]) as the remote address, the RDMA_READ operation on this address is generating IB_WC_REM_ACCESS_ERROR completion.
> 
> am i missing anything in the process of registering the memory?????

1) Did you enable the RDMA_READ + RDMA_WRITE in the modify QP (qp_access_flags) in the responder side?
2) Do you have more than one PD (QP and MR PD should be the same)?
3) you should check that the address + rkey that the requestor sides uses are the right values ..

Dotan