From owner-freebsd-stable@FreeBSD.ORG Fri Aug 13 02:19:09 2004 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 537C816A4CE for ; Fri, 13 Aug 2004 02:19:09 +0000 (GMT) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4565D43D3F for ; Fri, 13 Aug 2004 02:19:09 +0000 (GMT) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id 3F7CF72DD8; Thu, 12 Aug 2004 19:19:09 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id 3AC9872DD5; Thu, 12 Aug 2004 19:19:09 -0700 (PDT) Date: Thu, 12 Aug 2004 19:19:09 -0700 (PDT) From: Doug White To: igor@ktts.kharkov.ua In-Reply-To: <200408110050.i7B0oSbD026292@ktts.kharkov.ua> Message-ID: <20040812191715.A86599@carver.gumbysoft.com> References: <200408110050.i7B0oSbD026292@ktts.kharkov.ua> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-stable@freebsd.org Subject: Re: 5.2.1 performance issue X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Aug 2004 02:19:09 -0000 On Wed, 11 Aug 2004 igor@ktts.kharkov.ua wrote: > I noticed that box started getting input errors on em0. > In order to fix that I increased EM_MAX_TXD from 256 to 1024 and > EM_MAX_RXD from 256 to 2048. > After that Input errors disappeared but I continued getting intr_queue_drops > counter increasing. You might double check your duplex settings, and if you're on a managed switch, the stats there. It may not have autonegotaited properly after the reboot. Also make sure you aren't running with WITNESS and INVARIANTS. Those are big CPU pigs. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org