From owner-freebsd-net@FreeBSD.ORG Thu Jul 29 22:35:23 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 24F82106567C for ; Thu, 29 Jul 2010 22:35:23 +0000 (UTC) (envelope-from robin@icir.org) Received: from fruitcake.ICSI.Berkeley.EDU (fruitcake.ICSI.Berkeley.EDU [192.150.186.11]) by mx1.freebsd.org (Postfix) with ESMTP id DC0A98FC14 for ; Thu, 29 Jul 2010 22:35:22 +0000 (UTC) Received: from empire.icsi.berkeley.edu (empire.ICSI.Berkeley.EDU [192.150.186.169]) by fruitcake.ICSI.Berkeley.EDU (8.12.11.20060614/8.12.11) with ESMTP id o6TLunwJ010978 for ; Thu, 29 Jul 2010 14:56:49 -0700 (PDT) Received: by empire.icsi.berkeley.edu (Postfix, from userid 502) id 40899399B8AD; Thu, 29 Jul 2010 14:56:49 -0700 (PDT) Date: Thu, 29 Jul 2010 14:56:49 -0700 From: Robin Sommer To: freebsd-net Message-ID: <20100729215649.GB2615@icir.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.19 (2009-01-05) Subject: igb watchdog timeouts 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: Thu, 29 Jul 2010 22:35:23 -0000 Since upgrading from 8.0 to 8.1-RELEASE, I'm seeing lots of messages like those below on all my SuperMicro SBI-7425C-T3 blades. There's almost no traffic on those interfaces. Any idea? Thanks, Robin Jul 29 13:01:18 blade0 kernel: igb1: Watchdog timeout -- resetting Jul 29 13:01:18 blade0 kernel: igb1: Queue(0) tdh = 256, hw tdt = 266 Jul 29 13:01:18 blade0 kernel: igb1: TX(0) desc avail = 1013,Next TX to Clean = 255 Jul 29 13:01:18 blade0 kernel: igb1: link state changed to DOWN Jul 29 13:01:18 blade0 kernel: igb1: link state changed to UP Jul 29 13:01:29 blade0 kernel: igb1: Watchdog timeout -- resetting Jul 29 13:01:29 blade0 kernel: igb1: Queue(0) tdh = 0, hw tdt = 10 Jul 29 13:01:29 blade0 kernel: igb1: TX(0) desc avail = 1014,Next TX to Clean = 0 Jul 29 13:01:29 blade0 kernel: igb1: link state changed to DOWN Jul 29 13:01:29 blade0 kernel: igb1: link state changed to UP Jul 29 13:01:46 blade0 kernel: igb1: Watchdog timeout -- resetting Jul 29 13:01:46 blade0 kernel: igb1: Queue(0) tdh = 32, hw tdt = 33 Jul 29 13:01:46 blade0 kernel: igb1: TX(0) desc avail = 1022,Next TX to Clean = 31 Jul 29 13:01:46 blade0 kernel: igb1: link state changed to DOWN Jul 29 13:01:46 blade0 kernel: igb1: link state changed to UP Jul 29 13:01:57 blade0 kernel: igb1: Watchdog timeout -- resetting Jul 29 13:01:57 blade0 kernel: igb1: Queue(0) tdh = 0, hw tdt = 10 Jul 29 13:01:57 blade0 kernel: igb1: TX(0) desc avail = 1014,Next TX to Clean = 0 Jul 29 13:01:57 blade0 kernel: igb1: link state changed to DOWN Jul 29 13:01:58 blade0 kernel: igb1: link state changed to UP Jul 29 13:02:13 blade0 kernel: igb1: Watchdog timeout -- resetting > grep igb /var/run/dmesg.boot igb0: port 0x2000-0x201f mem 0xfc940000-0xfc95ffff,0xfc920000-0xfc93ffff,0xfc900000-0xfc903fff irq 16 at device 0.0 on pci4 igb0: [FILTER] igb0: Ethernet address: 00:30:48:9e:22:00 igb1: port 0x2020-0x203f mem 0xfc980000-0xfc99ffff,0xfc960000-0xfc97ffff,0xfc904000-0xfc907fff irq 17 at device 0.1 on pci4 igb1: [FILTER] igb1: Ethernet address: 00:30:48:9e:22:01 > pciconf -lv [...] igb0@pci0:4:0:0: class=0x020000 card=0x10a915d9 chip=0x10a98086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = '82575EB Gigabit Backplane Connection' class = network subclass = ethernet igb1@pci0:4:0:1: class=0x020000 card=0x10a915d9 chip=0x10a98086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = '82575EB Gigabit Backplane Connection' class = network subclass = ethernet [...] -- Robin Sommer * Phone +1 (510) 666-2886 * robin@icir.org ICSI/LBNL * Fax +1 (510) 666-2956 * www.icir.org