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From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2007-05-12 09:06:36


On May 12, 2007, at 8:49 AM, Rob wrote:

> > What version of OFED do you have installed, 1.0? We can probably add
> > a proper configure test for IBV_EVENT_CLIENT_REREGISTER and
> > protect those sections of the code for OFED installations that do
> not have it.
>
> OFED? Protect sections?
> No idea what you are talking about here.
> I checked the available packages for CentOS-alpha, but there's nothing
> which has "ofed" or "fabric" in its name. I myself never heard of
> such a
> thing, so I don't know what to do next.

OFED is the OpenFabrics Enterprise Distribution; the open source
InfiniBand and iWARP network driver stack that is jointly developers
by a consortium of vendors. The OFED software is included in several
Linux distributions, although it tends to release a bit faster than
the Linux distros release.

For example, OFED is just about to release v1.2, although some
distros are still shipping OFED v1.0. I don't know what version of
OFED CentOS includes.

> I even have no idea what you mean
> by "protect sections of the code".

I'm referring to the fact that we need to setup the code so that it
can correctly compile even if you have an older version of the OFED
libraries that do not provide the IBV_EVENT_CLIENT_REREGISTER
functionality.

If you do not have InfiniBand or iWARP hardware, you can disable this
whole code path with:

   ./configure --without-openib ...

> CentOS follows the RedHat enterprise editions closely. My version
> is 4.4,
> which is the latest for AlphaServer systems (CentOS 5 is recently
> released,
> but not for AlphaServers). So I wonder if this OFED thing is
> something too
> recent....
>
> Rob.
>
>
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-- 
Jeff Squyres
Cisco Systems