Open MPI logo

Open MPI Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |  

This web mail archive is frozen.

This page is part of a frozen web archive of this mailing list.

You can still navigate around this archive, but know that no new mails have been added to it since July of 2016.

Click here to be taken to the new web archives of this list; it includes all the mails that are in this frozen archive plus all new mails that have been sent to the list since it was migrated to the new archives.

Subject: Re: [OMPI devel] RFC: Linuxes shipping libibverbs
From: Gleb Natapov (glebn_at_[hidden])
Date: 2008-05-23 02:54:17

On Thu, May 22, 2008 at 04:19:05PM -0400, Jeff Squyres wrote:
> On May 22, 2008, at 4:07 PM, Dirk Eddelbuettel wrote:
> > Is there a test I could run for you?
> Can you see if /dev/infiniband exists? If it does, the OpenFabrics
> kernel drivers are running. If not, they aren't.
Either that or udev in not configured properly.

> > Also, if this test depends on the Debian kernel packages, then we're
> > back to square one as some folks (like myself) run binary kernels,
> > other may just hand-compile and this test may not work as we may miss
> > the 'Debian trigger' in those cases.
> The OpenFabrics kernel drivers are implemented as kernel modules, so
> it's mainly just a question of loading them it to start them running.
> For example, in the official OFED distribution, it comes with /etc/
> init.d/openibd -- "start" loads the kernel modules and does all the
> necessary initialization, "stop" unloads everything, etc.
ib_core/mthca/mlx4 should be loaded automatically by hotplug if HW is
present. No need for any additional configuration.