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Subject: Re: [OMPI users] Error-Open MPI over Infiniband: polling LP CQ with status LOCAL LENGTH ERROR
From: Yevgeny Kliteynik (kliteyn_at_[hidden])
Date: 2011-07-10 02:55:12


Hi Yiguang,

On 08-Jul-11 4:38 PM, yanyg_at_[hidden] wrote:
> Hi all,
>
> The message says :
>
> [[17549,1],0][btl_openib_component.c:3224:handle_wc] from
> gulftown to: gulftown error polling LP CQ with status LOCAL
> LENGTH ERROR status number 1 for wr_id 492359816 opcode
> 32767 vendor error 105 qp_idx 3
>
> This is very arcane to me, the same test ran when only one MPI
> process on each node, but when we switch to two MPI processes
> on each node, then this error message comes up. Anything I could
> do? Anything related to infiniband configuration, as guessed form
> the string "vendor error 105 qp_idx 3"?

What OMPI version are you using and what kind of HCAs do you have?
You can get details about HCA with "ibv_devinfo" command.
Also, can you post here all the OMPI command line parameters that
you use when you run your test?

Thanks.

-- YK

> Thanks,
> Yiguang
>
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