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From: "Steven Hartland" <killing@multiplay.co.uk>
To: "Eggert, Lars" <lars@netapp.com>, "FreeBSD Net" <freebsd-net@freebsd.org>
References: <B170AAF8-E59B-4758-BF68-A0B18430B0AD@netapp.com>
Subject: Re: igb "requests for mbufs denied"
Date: Thu, 28 Aug 2014 20:07:25 +0100
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When you say you've bumped mbclusters and mbufs, was that in
/boot/loader.conf or /etc/sysctl.conf. If the latter then thats
too late for driver init so try the former.

----- Original Message ----- 
From: "Eggert, Lars" <lars@netapp.com>
Hi,

no matter what value I bump kern.ipc.nmbclusters and kern.ipc.nmbufs to, 
I still get "requests for mbufs denied" with igb interfaces, and the 
occasional connection stall, even when dialing down hw.igb.num_queues=1:

...