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Date: Sat, 11 May 2013 20:50:45 +0700
From: Eugene Grosbein <egrosbein@rdtc.ru>
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To: "M. V." <bored_to_death85@yahoo.com>
Subject: Re: "no buffer space available" problem
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On 10.05.2013 20:07, M. V. wrote:
> hi,
> 
> I have a FreeBSD 8.2 server with some em & igb interfaces. (em driver version is 7.3.2 & igb driver version is 2.3.1)
> It doesn't have a full-load traffic on it (maximum 50-100Mbps per-interface on 1Gbps interface). but occasionally one of its interfaces stopped responding (mostly "em") and when I log in to server and ping the other side from it, i got "no buffer space available" error. and I have to do a "ifconfig em0 down; ifconfig em0 up" to solve the problem.

The problem is known and fixed in recent versions. Just upgrade to 8.3 or 8.4-STABLE or 9.1