From owner-freebsd-net@FreeBSD.ORG Wed Feb 9 09:37:06 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0A357106566C for ; Wed, 9 Feb 2011 09:37:06 +0000 (UTC) (envelope-from rihad@mail.ru) Received: from smtp3.mail.ru (smtp3.mail.ru [94.100.176.131]) by mx1.freebsd.org (Postfix) with ESMTP id B55BC8FC1D for ; Wed, 9 Feb 2011 09:37:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mail.ru; s=mail; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:References:Subject:To:MIME-Version:From:Date:Message-ID; bh=GtkNKIkDBROJ/JN2Jrlsa6DDnuWmeRmO5dPlcQVYfnE=; b=1yMlwnhiQDI9V0YbrVEIegvFg2wUSWaSLkIOMl038z1B3rFbYu29vPQvfz4gCMVikLOFH+WGt0e/Z1gq9S89pYziLH40wPucA9cZwfwKntswOBx6Pr6wD+3IiBuR2o9B; Received: from [217.25.27.27] (port=48092 helo=[217.25.27.27]) by smtp3.mail.ru with asmtp id 1Pn6Tv-000135-00 for freebsd-net@freebsd.org; Wed, 09 Feb 2011 12:37:04 +0300 Message-ID: <4D52603D.4070604@mail.ru> Date: Wed, 09 Feb 2011 13:37:01 +0400 From: rihad User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101208 Thunderbird/3.1.7 MIME-Version: 1.0 To: freebsd-net@freebsd.org References: <4D522657.10500@mail.ru> In-Reply-To: <4D522657.10500@mail.ru> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Mras: Ok X-MR-Warn: 1 Subject: Re: Slow Intel 10GbE CX4 adapter behaviour X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Feb 2011 09:37:06 -0000 Problem solved, I'm so embarrassed :) The issue on 7.2 mentioned above with ixgbe (tons of "fragmentation failed" errors) was real. The issue in 8.3-RC3 was because dummynet wasn't being loaded at all... so no traffic could pass on it, despite dummynet_load="YES" being set in /boot/loader.conf. So I turned it on in /etc/rc.conf : dummynet_enable="YES" and loaded it "kldload dummynet" in order to do without a reboot. Works like a charm so far. Thanks to all!