From owner-freebsd-net@FreeBSD.ORG Tue Nov 23 05:50:16 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 81974106566C for ; Tue, 23 Nov 2010 05:50:16 +0000 (UTC) (envelope-from julian@freebsd.org) Received: from out-0.mx.aerioconnect.net (outp.internet-mail-service.net [216.240.47.239]) by mx1.freebsd.org (Postfix) with ESMTP id 624668FC12 for ; Tue, 23 Nov 2010 05:50:16 +0000 (UTC) Received: from idiom.com (postfix@mx0.idiom.com [216.240.32.160]) by out-0.mx.aerioconnect.net (8.13.8/8.13.8) with ESMTP id oAN5oBEP004311; Mon, 22 Nov 2010 21:50:14 -0800 X-Client-Authorized: MaGic Cook1e X-Client-Authorized: MaGic Cook1e Received: from julian-mac.elischer.org (h-67-100-89-137.snfccasy.static.covad.net [67.100.89.137]) by idiom.com (Postfix) with ESMTP id 37AC22D6011; Mon, 22 Nov 2010 21:50:11 -0800 (PST) Message-ID: <4CEB5625.7060601@freebsd.org> Date: Mon, 22 Nov 2010 21:50:29 -0800 From: Julian Elischer User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.4; en-US; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6 MIME-Version: 1.0 To: kalin m References: <4CEAF306.2090705@el.net> <4CEAFBF3.1040408@freebsd.org> <4CEB0226.1020407@el.net> <4CEB0DFA.4030500@freebsd.org> <4CEB15D7.6020303@el.net> <4CEB1C58.7070306@freebsd.org> <4CEB2385.1010300@el.net> In-Reply-To: <4CEB2385.1010300@el.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.67 on 216.240.47.51 Cc: freebsd-net@freebsd.org Subject: Re: card sleeping 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: Tue, 23 Nov 2010 05:50:16 -0000 On 11/22/10 6:14 PM, kalin m wrote: > > > On 11/22/10 8:43 PM, Julian Elischer wrote: >> On 11/22/10 5:16 PM, kalin m wrote: >>> >>> >>> On 11/22/10 7:42 PM, Julian Elischer wrote: >>>> On 11/22/10 3:52 PM, kalin m wrote: >>>>> >>>>> >>>>> thanks... got the ttyv8 off... >>>>> >>>>> any idea about the temporary network loss? >>>> >>>> not without more info... >>>> >>>> it might be you machine or the switch it's attached to.. >>>> you may also have a clash with another machine somewhere with the >>>> same IP address. >>> i forgot to mention one important thing... i can always ping the >>> machine from within the same network. so it seems that it's not >>> really the machine itself. the theory about the switch could be - >>> except all the other machines that are on the same network do not >>> have that problem. they are always pingable from the outside, even >>> when the machine in question is not. >>> >>> and of course there is no other machine with the same ip on that >>> network. i did check... >>> >> so have you left tcpbump running on the machine looking at the >> interface in question? >> >> tcpdump -i XX0 -p icmp >> this should tell you if it's the incoming or outgoing packets that >> are getting lost. > > i did similar stuff. but the thing is it's not only icmp. it's tcp > too. basically the machine is unreachable form the outside in any > given time. until i ssh into it from inside. http is not responding > either. and if i leave the dcpdump dumping - detached from the > terminal - it might run out of space.... > > but you didn't answer the question... when icmp fails (ping) which packets are seen? > > thanks... > >> >> >>> thanks.... >>> >>> >>>>> >>>>> >>>>> >>>>> On 11/22/10 6:25 PM, Julian Elischer wrote: >>>>>> On 11/22/10 2:47 PM, kalin m wrote: >>>>>>> >>>>>>> >>>>>>> hi all.. >>>>>>> >>>>>>> recently i had to change the static ip on a machine here at >>>>>>> work. nothing wrong with that. what's happening with this new >>>>>>> ip (different network) is that for short periods of time >>>>>>> sometimes the machine is unpingable. until i try to login ssh. >>>>>>> as soon as i do that the ping and the rest of network activity >>>>>>> resumes - http. >>>>>>> >>>>>>> that didn't use to happen on the previous network. the only >>>>>>> change was the network information. also a bunch of other >>>>>>> machines changed at the same time and none of the others >>>>>>> present the same situation. >>>>>>> >>>>>>> the only entry in the log is: >>>>>>> init: can't exec getty '/usr/local/bin/xdm' for port >>>>>>> /dev/ttyv8: No such file or directory >>>>>> >>>>>> delete or turn off the line in /etc/ttys for ttyv8 >>>>>> >>>>>>> >>>>>>> (if somebody would explain what this is, that would help too. >>>>>>> since xdm is not really in use and i can't find anything that >>>>>>> would be calling xdm.) >>>>>>> >>>>>>> not sure if this has any importance but the card itself is >>>>>>> BCM5750A1 NetXtreme Gigabit Ethernet PCI Express according to >>>>>>> pciconf. >>>>>>> >>>>>>> the machine is 7.2 release. >>>>>>> >>>>>>> where do i look? >>>>>>> >>>>>>> >>>>>>> >>>>>>> thanks... >>>>>>> _______________________________________________ >>>>>>> freebsd-net@freebsd.org mailing list >>>>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-net >>>>>>> To unsubscribe, send any mail to >>>>>>> "freebsd-net-unsubscribe@freebsd.org" >>>>>>> >>>>>> >>>>> >>>> >>> >> >