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Subject: Re: [OMPI users] Error in mx_init message
From: George Bosilca (bosilca_at_[hidden])
Date: 2008-06-18 10:26:44

This is a different issue. On top of Myrinet, Open MPI support two
nodes: cm and the others. Basically, the difference is how the card
will be used. If you only specify the btls then Open MPI will try to
initialize the CM PML and that's how this error message appears. If
you add OMPI_MCA_pml=^cm to your environment, then this warning will
go away.


On Jun 18, 2008, at 4:22 PM, SLIM H.A. wrote:

> I have OpenMPI-1.2.5 configured with myrinet and infiniband:
> OMPI_MCA_btl=openib,self,sm
> The job runs with the "error" message
> "Error in mx_init (error MX driver not loaded.)"
> which makes sense in itself as there is no myrinet card on the node.
> Is it correct to assume that the ib interconnect will be used anyway?
> I saw an old email with a similar query and a comment that this
> message
> would be removed in a future release, has that happened yet?
> Thanks
> Henk
> _______________________________________________
> users mailing list
> users_at_[hidden]

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