From owner-freebsd-bugs@FreeBSD.ORG Fri Jun 21 23:40:00 2013 Return-Path: Delivered-To: freebsd-bugs@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id BB59EBA5 for ; Fri, 21 Jun 2013 23:40:00 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 87E431F3C for ; Fri, 21 Jun 2013 23:40:00 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.7/8.14.7) with ESMTP id r5LNe0Xa048611 for ; Fri, 21 Jun 2013 23:40:00 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.7/8.14.7/Submit) id r5LNe0bW048610; Fri, 21 Jun 2013 23:40:00 GMT (envelope-from gnats) Resent-Date: Fri, 21 Jun 2013 23:40:00 GMT Resent-Message-Id: <201306212340.r5LNe0bW048610@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, lt Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 9D0F2ABA for ; Fri, 21 Jun 2013 23:37:41 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from oldred.freebsd.org (oldred.freebsd.org [8.8.178.121]) by mx1.freebsd.org (Postfix) with ESMTP id 8BAA21F2C for ; Fri, 21 Jun 2013 23:37:41 +0000 (UTC) Received: from oldred.freebsd.org ([127.0.1.6]) by oldred.freebsd.org (8.14.5/8.14.7) with ESMTP id r5LNbeLc061652 for ; Fri, 21 Jun 2013 23:37:40 GMT (envelope-from nobody@oldred.freebsd.org) Received: (from nobody@localhost) by oldred.freebsd.org (8.14.5/8.14.5/Submit) id r5LNbe1s061648; Fri, 21 Jun 2013 23:37:40 GMT (envelope-from nobody) Message-Id: <201306212337.r5LNbe1s061648@oldred.freebsd.org> Date: Fri, 21 Jun 2013 23:37:40 GMT From: lt To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Subject: misc/179824: System (9.1-p4) hangs on heavy ixgbe network traffic with hw.ixgbe.num_queues=6 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Jun 2013 23:40:00 -0000 >Number: 179824 >Category: misc >Synopsis: System (9.1-p4) hangs on heavy ixgbe network traffic with hw.ixgbe.num_queues=6 >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Jun 21 23:40:00 UTC 2013 >Closed-Date: >Last-Modified: >Originator: lt >Release: 9.1-RELEASE-p4 >Organization: >Environment: FreeBSD cache01 9.1-RELEASE-p4 FreeBSD 9.1-RELEASE-p4 #0: Mon Jun 17 11:42:37 UTC 2013 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 >Description: A 6-CPU core 9.1-RELEASE-p4 system equipped with intel 82599EB NIC with hw.ixgbe.num_queues=6 hangs when traffic volume is heavy. The system hang can be workarounded by setting hw.ixgbe.num-queues=4 >How-To-Repeat: HW/SW setup - 9.1-RELEASE-p4 with the 82599EB NIC on a 6-CPU core system Using a nginx webserver and use clients like http_load to stress the 10G network interface. System will hang within 30 seconds. Hard reboot is required. >Fix: change hw.ixgbe.num_queues=4 (or 2) in /boot/loader.conf >Release-Note: >Audit-Trail: >Unformatted: