Peter Olson peter.olson at
Wed Feb 20 00:59:03 UTC 2013

To get OpenSM working on your machine you should run make buildworld
with "WITH_OFED='yes'" in /etc/src.conf. After installing the new
world opensm will be in PATH (/usr/bin/opensm). If you want to make
opensm without building world, the ofed userspace code is in

If you want pointers on building/installing world, I'd suggest reading:


On Tue, Feb 19, 2013 at 4:40 PM, Richard Kagerer
<richardk at> wrote:
> Hi everyone,
> I'm new to the list; please be gentle.
> I'm running NAS4Free (based on FreeBSD 9.1) and managed to compile a custom kernel to get my Infiniband card working (MHGH28-XTC).
> I'd like to run OpenSM on this node, and am trying to figure out where the binary would be located, or how to add it.  I'm very new to FreeBSD; would appreciate any pointers you can provide.
> Also while I'm here, are there any known solutions to the issue described here?
> I was getting the same error jasch was ("kernel: ib1: packet len 4203 (> 2044) too long to send, dropping") until I set my MTU to 2044.  My two computers are connected directly (no switch).  Would like to try bigger MTU's to see if they help my iSCSI / CIFS performance.
> Thanks in advance; glad to find a community of FreeBSD Infiniband enthusiasts!
> -Richard
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