[openib-general] IPoIB

[Sean Hubbell]

Hal Rosenstock wrote:

>Hi Sean,
> 
>Sounds like you have partial multicast connectivity. What SM are you using ? What switch(es) ? 
> 
>Scan the network for ports which come up at 1x. That could cause this.
> 
>Try recycling your switches and waiting a minute or 2 and seeing if this is better.
> 
>-- Hal
>
>________________________________
>
>From: openib-general-bounces at openib.org on behalf of Sean Hubbell
>Sent: Wed 11/16/2005 9:14 AM
>To: openib-general at openib.org
>Subject: [openib-general] IPoIB
>
>
>
>Hello,
>
>  I ran across something that continues to puzzle me. We upgraded to the
>latest infiniband source code tree as of yesterday and I tried to run my
>program that has been working for months using the new infiniband
>modules. Here is what I am seeing:
>
>1) I can ping and ibping the head node from at least two of my client nodes.
>2) I can ping the head node from the head node.
>3) I can see that messages are being sent from my sender application
>(x86_64) via multicast by using ifconfig and viewing the number of Tx
>packets sent.
>4) I do NOT receive the messages in my second receiver application (x86_64)
>
>Now, normally I would say that the code that I am using does not work,
>so I took that code and recompiled it under x32 and ran. Everything
>works great. So, here I am, very puzzled. Does anyone have some advice?
>
>Thanks,
>
>Sean
>
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>  
>
Thanks Hal,

  I'll give that a try.

Sean