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Subject: Re: [OMPI devel] openib error for message size 1.5 GB
From: Mike Dubman (mike.ompi_at_[hidden])
Date: 2011-06-07 00:43:18


Please try with "--mca mpi_leave_pinned 0"

On Mon, Jun 6, 2011 at 4:16 PM, Sebastian Rinke <s.rinke_at_[hidden]> wrote:

> Dear all,
>
> While trying to send a message of size 1610612736 B (1.5 GB), I get the
> following error:
>
> [[52363,1],1][../../../../../../ompi/mca/btl/openib/btl_openib_component.c:2951:handle_wc]
> from grsacc20 to: grsacc19 error polling LP CQ with status LOCAL LENGTH
> ERROR status number 1 for wr_id 18729360 opcode 128 vendor error 105 qp_idx
> 3
>
> Reducing the size to 1 GB works fine. I assume that this is rather related
> to Infiniband itself than to Open MPI.
> I'm using Open MPI 1.4.1.
>
> Any ideas on that?
>
> Thank you very much.
> Sebastian.
>
>
>
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