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Subject: Re: [OMPI users] mpi test program "ring" failed: blocked at MPI_Send
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2012-09-25 09:10:24

On Sep 25, 2012, at 2:56 PM, Richard wrote:

> thanks a lot !
> using "--mca btl_if_exclude virbr0" does not work, but you have pointed out the

Ya, sorry -- see my second mail, it should be "btl_tcp_if_exclude".

> problem, so i fixed it using "--mca btl_tcp_if_include bond0" because I know this is the high speed network interface I should use on each node.

Glad it works for you!

If you're not using those interfaces (they might be related to Xen, or something like that?), you might want to disable them.

Jeff Squyres
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