Hi Max, > Any interesting logs in dmesg ? Dynamic debug was used and there was following log in dmesg of target. [ 584.274459] rdma_rxe: qp#17 state = GET_REQ [ 584.274461] rdma_rxe: qp#17 state = CHK_PSN [ 584.274462] rdma_rxe: qp#17 state = CHK_OP_SEQ [ 584.274464] rdma_rxe: qp#17 state = CHK_OP_VALID [ 584.274465] rdma_rxe: qp#17 state = CHK_RESOURCE [ 584.274467] rdma_rxe: qp#17 state = CHK_LENGTH [ 584.274468] rdma_rxe: qp#17 state = CHK_RKEY [ 584.274470] rdma_rxe: qp#17 state = EXECUTE [ 584.274473] rdma_rxe: qp#17 state = COMPLETE [ 584.274475] rdma_rxe: qp#17 state = ACKNOWLEDGE [ 584.274496] rdma_rxe: qp#17 state = CLEANUP [ 584.274498] rdma_rxe: qp#17 state = DONE [ 584.274499] rdma_rxe: qp#17 state = GET_REQ [ 584.274500] rdma_rxe: qp#17 state = EXIT [ 584.275561] nvmet_rdma: IB send queue full (needed 1): queue 0 cntlid 1 thanks, Haruo. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html