From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: "Hefty, Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Roland Dreier <roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: mlx4/xrc problem
Date: Thu, 23 May 2013 10:51:51 -0500 [thread overview]
Message-ID: <519E3B17.6030301@opengridcomputing.com> (raw)
In-Reply-To: <519D029D.8020102-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.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
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prev parent reply other threads:[~2013-05-23 15:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-22 16:04 mlx4/xrc problem Steve Wise
[not found] ` <519CEC83.9010501-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2013-05-22 16:39 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A823736FD29FE1-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2013-05-22 17:38 ` Steve Wise
[not found] ` <519D029D.8020102-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2013-05-23 15:51 ` Steve Wise [this message]
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