From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Allan, Bruce W" Subject: RE: My e1000e GBE card is eating all port 623 pks Date: Wed, 25 Apr 2012 16:40:08 +0000 Message-ID: <804857E1F29AAC47BF68C404FC60A18418141F47@ORSMSX102.amr.corp.intel.com> References: <20120424145128.000070a8@unknown> <4F97CA9B.3060105@ens-lyon.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Cc: "Brandeburg, Jesse" , "netdev@vger.kernel.org" To: Joakim Tjernlund , Brice Goglin Return-path: Received: from mga09.intel.com ([134.134.136.24]:18505 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754714Ab2DYQkK convert rfc822-to-8bit (ORCPT ); Wed, 25 Apr 2012 12:40:10 -0400 In-Reply-To: Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: > -----Original Message----- > From: netdev-owner@vger.kernel.org [mailto:netdev- > owner@vger.kernel.org] On Behalf Of Joakim Tjernlund > Sent: Wednesday, April 25, 2012 3:13 AM > To: Brice Goglin > Cc: Brandeburg, Jesse; netdev@vger.kernel.org > Subject: Re: My e1000e GBE card is eating all port 623 pks > > Brice Goglin wrote on 2012/04/25 11:57:47: > > > > On 25/04/2012 11:06, Joakim Tjernlund wrote: > > > Jesse Brandeburg wrote on 2012/04/24 > 23:51:28: > > >> On Sat, 21 Apr 2012 15:31:09 +0200 > > >> Joakim Tjernlund wrote: > > >> > > >>> Looks like port 623 is some mgmt protocol and our e1000e boards > are eating these > > >>> pkgs and this trips NIS, finger and yptest hangs for a long time > before timing out and > > >>> moving on. > > >>> > > >>> Is there a way to tell the network stack not to eat port 623 > pkgs or > > >>> have NIS not to use port 623? > > >> I think you might be looking for something like portreserve > > >> (see man portreserve) > > > Seen portreserve on the web(gentoo does not have it) but it seems > like a workaround. > > > Should not eating port 623 be something one should turn on? Now it > is default on > > > and I cannot find a way to turn it off. > > > > > > > It might be related to IPMI (UDP/623 iirc). Try looking in your BIOS > > and/or network firmware config at boot, there might be things to > disable > > there. > > Been looking around but didn't find anything to turn this off, can you > be more specific > where to look? Manageability packets sent to port 623 should be passed through to the host networking stack, but there could be a mis-configuration of the adapter hardware. Which network adapter are you using? Would it be possible for you to also run our register dump utility ethregs(*) and send us (privately if you would prefer) the output? (*)http://sourceforge.net/projects/e1000/files/Ethregs%20-%20Register%20Dump%20Tool/