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Date: Tue, 04 Oct 2005 21:08:05 +0300
From: Pertti Kosunen <pertti.kosunen@pp.nic.fi>
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Cc: net@freebsd.org
Subject: Re: send_query: No buffer space available [SOLVED]
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Pertti Kosunen wrote:
> What should i do to avoid these messages from MRTG and dhclient? This 
> happens with some network load on xl0 interface and pf+altq or 
> ipfw+dummynet+statefull rules enabled, even with simple pass rules.
> 
> Increasing kern.ipc.nmbclusters, kern.ipc.nsfbufs, kern.ipc.somaxconn 
> and net.inet.tcp.sendspace doesn't seem to help. FreeBSD 5.3-RELEASE to 
> 6.0-BETA5 have this problem.
> 
> SNMP Error:
> send_query: No buffer space available
> 
> dhclient: send_packet: No buffer space available

Increasing kern.ipc.maxsockbuf seem to solve the problem.