[ofa-general] MPI IB Errors

[Jeff Squyres]

This typically means that the IB kernel drivers are not loaded.  Are  
you running the same version of OFED on all of your blades?


On Aug 22, 2007, at 4:02 PM, John Leidel wrote:

> All, in adding two new blade centers full of machines to my  
> existing cluster install, I'm getting the following errors in  
> trying to run MPI jobs over MVAPICH ::
>
> libibverbs: Fatal: no infiniband class devices found.
> No IB device found
>
> All machines are essentially the same archticture... 2.8Ghz  
> opterons.  All are running TopSpin/Cisco IB gear.  The blade  
> centers both has internal IB switches, to which I have connected to  
> our existing TopSpin core switch.  I disabled the subnet managers  
> on both blade chassis IB switches as I'm running the subnet manager  
> from the IB core switch.
>
>
> Any thoughts on what is going on?
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-- 
Jeff Squyres
Cisco Systems