From owner-freebsd-net@FreeBSD.ORG Sat Nov 26 10:31:28 2005 Return-Path: X-Original-To: freebsd-net@FreeBSD.org Delivered-To: freebsd-net@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C1D7D16A41F for ; Sat, 26 Nov 2005 10:31:28 +0000 (GMT) (envelope-from glebius@FreeBSD.org) Received: from cell.sick.ru (cell.sick.ru [217.72.144.68]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0DBB043D69 for ; Sat, 26 Nov 2005 10:31:24 +0000 (GMT) (envelope-from glebius@FreeBSD.org) Received: from cell.sick.ru (glebius@localhost [127.0.0.1]) by cell.sick.ru (8.13.3/8.13.3) with ESMTP id jAQAVNBo072536 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 26 Nov 2005 13:31:23 +0300 (MSK) (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by cell.sick.ru (8.13.3/8.13.1/Submit) id jAQAVNn7072535; Sat, 26 Nov 2005 13:31:23 +0300 (MSK) (envelope-from glebius@FreeBSD.org) X-Authentication-Warning: cell.sick.ru: glebius set sender to glebius@FreeBSD.org using -f Date: Sat, 26 Nov 2005 13:31:22 +0300 From: Gleb Smirnoff To: Volcane Message-ID: <20051126103122.GZ25711@cell.sick.ru> Mail-Followup-To: Gleb Smirnoff , Volcane , freebsd-net@freebsd.org References: <964bdb4d0511251312j10b21214hc8218aa6eadb3894@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline In-Reply-To: <964bdb4d0511251312j10b21214hc8218aa6eadb3894@mail.gmail.com> User-Agent: Mutt/1.5.6i Cc: freebsd-net@FreeBSD.org Subject: arp flood on STABLE: Was: em driver woes 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: Sat, 26 Nov 2005 10:31:28 -0000 On Fri, Nov 25, 2005 at 09:12:04PM +0000, Volcane wrote: V> I scanned through the archive and noticed a posting there about an V> interrupt storm on the em driver, I am not sure if my symptoms are V> related so I decided on a new thread. V> V> I first installed the 6.0-RELEASE using FTP install and everything was V> happy, I then CVSUP'd to RELENG_6 which had an em driver update a few V> hours ago. V> V> Did the world and kernel and booted, on the boot with the new kernel I V> noticed my network was dead. I could get the initial DHCP from my V> server but once it got an IP it wasn't working. V> V> Further investigation with tcpdump showed me a massive amount of arp V> requests for my gateway IP, with replies coming back to the card. V> Output of 'arp -an' showed that the gateway ARP was indeed in the arp V> table so there shouldnt have been any reason for all the arp requests. This is not related to em(4). This is my mistake in last revision of if_ether.c. Please back it out, and your network will be alive again. As soon as I get it fixed I will inform you. -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE