From owner-freebsd-current@FreeBSD.ORG Thu Feb 2 10:16:01 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D654516A420 for ; Thu, 2 Feb 2006 10:16:01 +0000 (GMT) (envelope-from mime@traveller.cz) Received: from ss.eunet.cz (ss.eunet.cz [193.85.228.13]) by mx1.FreeBSD.org (Postfix) with ESMTP id 32ED543D45 for ; Thu, 2 Feb 2006 10:16:00 +0000 (GMT) (envelope-from mime@traveller.cz) Received: from localhost.i.cz (ss.eunet.cz [193.85.228.13]) by ss.eunet.cz (8.13.3/8.13.1) with ESMTP id k12AFunG001583 (version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NO); Thu, 2 Feb 2006 11:15:59 +0100 (CET) (envelope-from mime@traveller.cz) From: Michal Mertl To: Scott Long In-Reply-To: <43E0FE09.50804@samsco.org> References: <1138813174.1358.34.camel@genius.i.cz> <43E0FE09.50804@samsco.org> Content-Type: text/plain Date: Thu, 02 Feb 2006 11:15:51 +0100 Message-Id: <1138875351.1807.12.camel@genius.i.cz> Mime-Version: 1.0 X-Mailer: Evolution 2.4.1 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org Subject: Re: em(4) stops forwarding X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Feb 2006 10:16:02 -0000 Scott Long wrote: > Michal Mertl wrote: > > Hello, > > > > I've been running CURRENT for long time and never experienced problem > > with the built-in em(4) card before. Recently (I first noticed it on Jan > > 24) the card has stopped working several times. Nothing gets into the > > log file. Carrier is still detected properly but no data is exchanged. > > Ifconfig up/down doesn't help but kldunload/load does. When I run > > tcpdump I don't see any packet coming in but I see some outgoing. > > > > Can someone suggest what to look at when it happens the next time? I > > have DDB compiled in. I will try to sniff the wire using another machine > > next time to see if the card sends out anything. > > > > The command 'pciconf -lv' says about the card this: > > em0@pci2:1:0: class=0x020000 card=0x05491014 chip=0x101e8086 rev=0x03 > > hdr=0x00 > > vendor = 'Intel Corporation' > > device = '82540EP Gigabit Ethernet Controller (Mobile)' > > class = network > > subclass = ethernet > > > > The dmesg: > > em0: port > > 0x8000-0x803f mem 0xc0220000-0xc023ffff,0xc0200000-0xc020ffff irq 11 at > > device 1.0 on pci2 > > em0: Ethernet address: 00:0d:60:cd:ae:e2 > > em0: [FAST] > > > > The interrupt is shared since the machine is a notebook. I don't know if > > it was just a coincidence but I think that it happened at the same time > > as my USB mouse stopped working - the USB controller is on the same irq. > > > > Michal > > > > What is sharing the interrupt? vgapci0, ipw0, ehci0, uhci0-2. I don't think vgapci0 and ipw0 are really using the interrupt when I use em0. > > Scott > >