From owner-freebsd-net@FreeBSD.ORG Fri Mar 12 17:32:20 2010 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 33B3010657A7 for ; Fri, 12 Mar 2010 17:32:20 +0000 (UTC) (envelope-from rihad@mail.ru) Received: from mx7.mail.ru (mx7.mail.ru [94.100.176.21]) by mx1.freebsd.org (Postfix) with ESMTP id E5A688FC39 for ; Fri, 12 Mar 2010 17:32:19 +0000 (UTC) Received: from [217.25.27.27] (port=45202 helo=[217.25.27.27]) by mx7.mail.ru with asmtp id 1Nq8if-000JQk-00; Fri, 12 Mar 2010 20:32:17 +0300 Message-ID: <4B9A7AA6.9040704@mail.ru> Date: Fri, 12 Mar 2010 21:32:22 +0400 From: rihad User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Jack Vogel References: <4B99114E.7060909@mail.ru> <2a41acea1003110942u717e2222hd984bd2859c3e477@mail.gmail.com> <4B9A6EA7.3040603@mail.ru> In-Reply-To: <4B9A6EA7.3040603@mail.ru> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam: Not detected X-Mras: Ok Cc: freebsd-net@freebsd.org Subject: Re: ixgbe input errors at high data rates 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: Fri, 12 Mar 2010 17:32:20 -0000 rihad wrote: > Things have gotten much worse. Please help. Turning hw.intr_storm_threshold back to 1000 solved the problem, at least when dummynet is not in use. I wonder who was the kind soul to write that tip in the ixgbe-1.3.3 readme file... Important system configuration changes: --------------------------------------- ... Change the file /etc/sysctl.conf, add the line: hw.intr_storm_threshold: 8000 (the default is 1000)