From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve Wise Subject: Re: mlx4/xrc problem Date: Thu, 23 May 2013 10:51:51 -0500 Message-ID: <519E3B17.6030301@opengridcomputing.com> References: <519CEC83.9010501@opengridcomputing.com> <1828884A29C6694DAF28B7E6B8A823736FD29FE1@ORSMSX109.amr.corp.intel.com> <519D029D.8020102@opengridcomputing.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <519D029D.8020102-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "Hefty, Sean" Cc: Roland Dreier , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org On 5/22/2013 12:38 PM, Steve Wise wrote: > On 5/22/2013 11:39 AM, Hefty, Sean wrote: >>> [root@hpc-hn1 libibverbs-1.1.4]# ibv_xsrq_pingpong -d mlx4_0 >>> 192.168.174.52 >>> local: LID 0001, QPN RECV 98004b SEND 18004c, PSN 5b6d99, SRQN >>> 0042 >>> remote: LID 0002, QPN RECV d4004a SEND 54004b, PSN d7ba7a, SRQN >>> 0042 >> The same SRQN on both sides looks suspicious. > I confirmed via gdb that 0x42 is in ctx.srq->xrc_srq_num on both sides. > >>> [root@hpc-cn2 libibverbs-1.1.4]# ibv_xsrq_pingpong -d mlx4_0 >>> remote: LID 0001, QPN RECV 98004b SEND 18004c, PSN 5b6d99, SRQN >>> 0042 >>> local: LID 0002, QPN RECV d4004a SEND 54004b, PSN d7ba7a, SRQN >>> 0042 > I found the problem. I was creating the initiator QP as type RC instead of XRC. I didn't think the initiator side needed a different type. Steve -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html