[openib-general] Debugging Infiniband?

Walls, Jeffrey Joel jeff.walls at hp.com
Wed Jan 18 07:39:24 PST 2006


Hi,
 
I first must admit that I'm new to Infiniband and Infiniband
programming.
I have just begun writing my first commercial application using IB late
last
year.  I'm very familiar with socket programming (TCP, Multicast, etc),
though.
 
I'm wondering what techniques expierenced IB programmers use to debug
IB applications.
 
My situation is that I'm running an data producer on Windows XP and a
set
of data consumers on Linux.  So for Windows, I'm using WinIB (gen1) and
for linux I'm using OpenIB (gen2).
 
I have both sides implemented according to some of the example code I've
seen and also according to the documents I've been able to find.  The
connections
all seem to be set up properly and my producer successfully posts all of
its sends
(at least according to my CQE's returned).
 
The problem is that my receiver never sees any of the IB packets.  I
post the receive
and then wait forever polling the CQ.
 
I've run out of ideas on what to even look at and am now looking for
suggestions on
how to best figure out this problem.
 
If you have any ideas or need more clarification, I'd love to hear from
you.
 
Also, if this isn't the proper forum for such discussions, if you could
please guide me
in the right direction, I would greatly appreciate that as well.
 
Best Regards,
Jeff
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