Date: Mon, 11 Apr 2011 00:06:36 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: Przemyslaw Frasunek <przemyslaw@frasunek.com> Cc: freebsd-net@freebsd.org Subject: Re: mpd5/Netgraph issues after upgrading to 7.4 Message-ID: <4DA1E39C.9090300@rdtc.ru> In-Reply-To: <4DA171BA.9000507@frasunek.com> References: <4D947756.6050808@freebsd.lublin.pl> <4D9F6C71.1040209@frasunek.com> <4DA171BA.9000507@frasunek.com>
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On 10.04.2011 16:00, Przemyslaw Frasunek wrote: > Eventually I found that this issue is related to mbuf exhaustion. In > periods when sendto() fails with EPERM, the "requests for mbufs denied" > counter is increasing and "ngctl list" also fails. > Use command "vmstat -z|egrep 'ITEM|NetGraph'" and check FAILURES column. If you see non-zero values there, you need to increase netgraph memory limits net.graph.maxdata and net.graph.maxalloc using /boot/loader.conf. I use: net.graph.maxdata=65536 net.graph.maxalloc=65536 Eugene Grosbein
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