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Date: Wed, 29 Apr 2015 10:51:59 +0100
From: Paul Thornton <prt@prt.org>
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Subject: Re: Frequent hickups on the networking layer
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Hi,

On 28/04/2015 22:06, Rick Macklem wrote:
> ... If your
> net device driver is one that allocates 9K jumbo mbufs for receive
> instead of using a list of smaller mbuf clusters, I'd guess this is
> what is biting you.

Apologies for the thread drift, but is there a list anywhere of what 
drivers might have this issue?

I've certainly seen performance decrease in the past between two 
machines with igb interfaces when the MTU was raised to use 9k frames.

Paul.