Thanks a lot!

On Jun 7, 2011, at 6:43 AM, Mike Dubman wrote:

Please try with "--mca mpi_leave_pinned 0"

On Mon, Jun 6, 2011 at 4:16 PM, Sebastian Rinke <> 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.

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