From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dotan Barak Subject: Re: A strange problem when using IB to transfer things Date: Fri, 11 Jun 2010 17:30:31 +0200 Message-ID: <4C125697.1000508@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ding Dinghua Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org Hi. On 11/06/2010 10:51, Ding Dinghua wrote: > Hi all: > I'm using RDMA to do fs-metadata mirror between nodes. I > encountered a strange problem when the program was running: > Complete queue handler reported that the RDMA-Write operation failed, > the status of corresponding "struct ib_wc" is "IB_WC_RETRY_EXC_ERR". > The problem is encountered randomly. I don't know the meaning of this > error code as well as what to do next. Would anyone give me some tips? > thanks a lot. > Do you sync between the sides before closing the QPs? Retry exceeded mans that a message was sent without a response (maybe you need to increase the timeout in the QP attributes: timeout or retry_cnt). I hope this helped you .. Dotan -- 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