[ewg] [Fwd: Re: [ofa-general] IPOIB/CM increase retry counts]

[Shirley Ma]

Hello Ralph,

      Thanks for sharing what you have found. Do you have any tool to log
the device flow control? It would be good if the root cause can be figured
out.

Thanks
Shirley

Ralph Campbell <ralph.campbell at qlogic.com> wrote on 02/14/2008 10:29:43 AM:
> The setup is two nodes, any QLogic HCA, running IPoIB-CM with
> 65520 MTU running netperf, iperf, etc.
> I haven't tried mixed sets of QLogic & Mellanox but I wouldn't
> be surprised to find similar results.
> It does vary somewhat from distro to distro, kernel
> version, TCP parameters, etc. but is easily reproducible.
> I also haven't had time to investigate the causes.
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