[openib-general] ping delay

[Fabian Tillier]

On 3/4/06, Suresh Shelvapille <suri at baymicrosystems.com> wrote:
>
> Folks:
>
> Two commercial switches are connected to each other via two of our devices
> (which act like switches). One HCA is connected to each of the commercial
> switches. Upon power up, everything is normal and when I ping one HCA from
> the other everything is fine.
> When everything is operational, if I move one of the HCAs from one switch
> port to another on the same switch, then the pings start to take an enormous
> amount of time....
>
> When a port move happens, is there some SMP sent from the SM(the SM is on
> the commercial switch) which we may not be handling in our device, which
> could be causing this delay?

What happens if you take your device out of the equation - that is,
connect the two switches together?  This would isolate the cause of
the problem.  It may not even be your device at all.

- Fab