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Client prints only error value and it is not enough for debugging. 1. When client receives an error from server: the client does not only print the error value but also more information of server connection. 2. When client failes to send IO: the client gets an error from RDMA layer. It also print more information of server connection. Link: https://lore.kernel.org/r/20210406123639.202899-2-gi-oh.kim@ionos.com Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com> Signed-off-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>