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Subject: Re: [OMPI devel] IBCM error
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-07-16 22:02:10

On Jul 16, 2008, at 11:07 AM, Don Kerr wrote:

>> Pasha added configure switches for this about a week ago:
>> --en|disable-openib-ibcm
>> --en|disable-openib-rdmacm
> I like these flags but I thought there was going to be a run time
> check for cases where Open MPI is built on a system that has ibcm
> support but is later run on a system without ibcm support.

Yes, there are.

- if the /dev/infiniband/ucm* files aren't there, we silently return
"not supported" and skip ibcm
- if ib_cm_open_device() (the first function call) fails, we assume
that IBCM simply isn't supported on this platform and silently return
"not supported" and skip ibcm

Jeff Squyres
Cisco Systems