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From: Dotan Barak <dotanba-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Ding Dinghua <dingdinghua85-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: A strange problem when using IB to transfer things
Date: Fri, 11 Jun 2010 17:30:31 +0200	[thread overview]
Message-ID: <4C125697.1000508@gmail.com> (raw)
In-Reply-To: <AANLkTiml1Q7sD9MFsg_q1nQx5091rNnzhK8oh1aUnxwT-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.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
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  parent reply	other threads:[~2010-06-11 15:30 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-11  8:51 A strange problem when using IB to transfer things Ding Dinghua
     [not found] ` <AANLkTiml1Q7sD9MFsg_q1nQx5091rNnzhK8oh1aUnxwT-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-11 15:30   ` Dotan Barak [this message]
     [not found]     ` <4C125697.1000508-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2010-06-12  1:22       ` Ding Dinghua
     [not found]         ` <AANLkTilhV8JJTKxc4OpudTUgKqMyJ5mzcxt6XdSMurDS-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-12  9:10           ` P Dotan Barak
     [not found]             ` <4C134EFC.5010207-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2010-06-17  7:07               ` P Ding Dinghua
     [not found]                 ` <AANLkTimdeZwZI3FlTncXY_d3QY8jFfNhHERTxl3BD3Bd-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-19 10:42                   ` P Dotan Barak
     [not found]                     ` <4C1C9EFC.4020304-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2010-06-20  5:51                       ` P Ding Dinghua
     [not found]                         ` <AANLkTinah43AD5N0ZryDsrGprkeVf9-BdLCyr125PQ3p-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-20 18:43                           ` P Dotan Barak
     [not found]                             ` <4C1E6134.6070304-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2010-06-21  2:30                               ` P Ding Dinghua
2010-06-17  7:27               ` P Ding Dinghua

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