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Subject: Re: [OMPI users] Error in mx_init message
From: SLIM H.A. (h.a.slim_at_[hidden])
Date: 2008-06-18 12:19:10


 

> -----Original Message-----
> From: users-bounces_at_[hidden]
> [mailto:users-bounces_at_[hidden]] On Behalf Of George Bosilca
> Sent: 18 June 2008 15:27
> To: Open MPI Users
> Subject: Re: [OMPI users] Error in mx_init message
>
> 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.
>
> george.
>
> 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
> >
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>
>