From owner-freebsd-bugs@FreeBSD.ORG Mon Feb 20 05:10:04 2006 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 07C5716A420 for ; Mon, 20 Feb 2006 05:10:04 +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 760AE43D46 for ; Mon, 20 Feb 2006 05:10:03 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id k1K5A3fJ061824 for ; Mon, 20 Feb 2006 05:10:03 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id k1K5A3Wg061823; Mon, 20 Feb 2006 05:10:03 GMT (envelope-from gnats) Resent-Date: Mon, 20 Feb 2006 05:10:03 GMT Resent-Message-Id: <200602200510.k1K5A3Wg061823@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 Elsworth Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 84FA316A420 for ; Mon, 20 Feb 2006 05:04:02 +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 36B4843D45 for ; Mon, 20 Feb 2006 05:04:02 +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 k1K541PW070529 for ; Mon, 20 Feb 2006 05:04:01 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id k1K541Mu070502; Mon, 20 Feb 2006 05:04:01 GMT (envelope-from nobody) Message-Id: <200602200504.k1K541Mu070502@www.freebsd.org> Date: Mon, 20 Feb 2006 05:04:01 GMT From: Chris Elsworth To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-2.3 Cc: Subject: kern/93586: /src/sys/dev/em/if_em.c 1.112 breaks interfaces 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: Mon, 20 Feb 2006 05:10:04 -0000 >Number: 93586 >Category: kern >Synopsis: /src/sys/dev/em/if_em.c 1.112 breaks interfaces >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Feb 20 05:10:02 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Chris Elsworth >Release: 7.0-CURRENT >Organization: >Environment: FreeBSD netboot0.newzbin.com 7.0-CURRENT FreeBSD 7.0-CURRENT #6: Mon Feb 20 04:34:03 UTC 2006 root@netboot0.newzbin.com:/usr/obj/usr/src/sys/X4100_BOOTSRV amd64 >Description: Upon supping to HEAD tonight, I found that my if_em's in the Sun Fire x4100 I was fiddling on no longer brought up the link after they were assigned an IP: # ifconfig em1 && ifconfig em1 192.168.201.112 && sleep 5 && ifconfig em1 em1: flags=8802 mtu 1500 options=8b ether 00:14:4f:20:4f:2d media: Ethernet autoselect (1000baseTX ) status: active em1: flags=8843 mtu 1500 options=8b inet 192.168.201.112 netmask 0xffffff00 broadcast 192.168.201.255 ether 00:14:4f:20:4f:2d media: Ethernet autoselect status: no carrier I realise there may be a nominal delay until the carrier comes back, but it never does. After some experimentation, I discovered that revision 1.112 is responsible for this. If I check out 1.111 and build it as a module, the system is fine. # kldunload if_em # kldload if_em_1.111.ko . em1: port 0x9800-0x983f mem 0xfbfc0000-0xfbfdffff irq 27 at device 1.1 on pci1 em1: Ethernet address: 00:14:4f:20:4f:2d em1: [FAST] # ifconfig em1 && ifconfig em1 192.168.201.112 && sleep 5 && ifconfig em1 em1: flags=8802 mtu 1500 options=8b ether 00:14:4f:20:4f:2d media: Ethernet autoselect (1000baseTX ) status: active em1: flags=8843 mtu 1500 options=8b inet 192.168.201.112 netmask 0xffffff00 broadcast 192.168.201.255 ether 00:14:4f:20:4f:2d media: Ethernet autoselect (1000baseTX ) status: active >How-To-Repeat: Use revision 1.112 of if_em.c >Fix: Maybe that hardware initialisation was required after all? >Release-Note: >Audit-Trail: >Unformatted: