From owner-freebsd-bugs@FreeBSD.ORG Fri Oct 7 21:20:09 2005 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id AF2DC16A41F for ; Fri, 7 Oct 2005 21:20:09 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 033A243D46 for ; Fri, 7 Oct 2005 21:20:09 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.3/8.13.3) with ESMTP id j97LK8na027831 for ; Fri, 7 Oct 2005 21:20:08 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.3/8.13.1/Submit) id j97LK8Qd027830; Fri, 7 Oct 2005 21:20:08 GMT (envelope-from gnats) Resent-Date: Fri, 7 Oct 2005 21:20:08 GMT Resent-Message-Id: <200510072120.j97LK8Qd027830@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Chris Ulrich Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CBDFF16A41F for ; Fri, 7 Oct 2005 21:14:03 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9B6DA43D48 for ; Fri, 7 Oct 2005 21:14:03 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id j97LE3ps085450 for ; Fri, 7 Oct 2005 21:14:03 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id j97LE3mD085449; Fri, 7 Oct 2005 21:14:03 GMT (envelope-from nobody) Message-Id: <200510072114.j97LE3mD085449@www.freebsd.org> Date: Fri, 7 Oct 2005 21:14:03 GMT From: Chris Ulrich To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-2.3 Cc: Subject: kern/87094: 5.4 system with SMP and IPFW crashes under load (mbuf underrun) X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Oct 2005 21:20:09 -0000 >Number: 87094 >Category: kern >Synopsis: 5.4 system with SMP and IPFW crashes under load (mbuf underrun) >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Oct 07 21:20:08 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Chris Ulrich >Release: 5.4-RELEASE-p7 / intel 386 >Organization: University of California at Riverside >Environment: FreeBSD wg03 5.4-RELEASE-p7 FreeBSD 5.4-RELEASE-p7 #0: Tue Oct 4 15:57:24 PDT 2005 shock@wg04:/usr/obj/usr/src/sys/FW_NO_SMP i386 >Description: Firewall system running nat pumping packets between 2 intel EM interfaces. When the system is running IPFW and has SMP turned on, the system will crash after a random (large) number of packets flow through the system. >How-To-Repeat: Run SMP and IPFW and natd on a 5.4 i386 system and run iperf between one interface and the other (server outside the nat interface). After a minute or so, netstat -m will show something like: 4294266316 mbufs in use 4294737989/25600 mbuf clusters in use (current/max) 3560445 KBytes allocated to network 201 calls to protocol drain routines After another period of time, the system will eventually reboot. The behavior is not related to load or firewall rule changes. >Fix: >Release-Note: >Audit-Trail: >Unformatted: