From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lucas Nussbaum Subject: Re: [linux-nics] e1000e: initialization breaks IPMI support on 80003ES2LAN Date: Wed, 17 Feb 2016 21:39:37 +0100 Message-ID: <20160217203937.GA30605@xanadu.blop.info> References: <20160212155847.GA22910@xanadu.blop.info> <87618083B2453E4A8714035B62D6799250577DB7@FMSMSX105.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Linux Kernel Network Developers , Linux NICS , "Ertman, David M" , "Kirsher, Jeffrey T" , "e1000-devel@lists.sourceforge.net" To: "Tantilov, Emil S" Return-path: Received: from xanadu.blop.info ([178.79.145.134]:37249 "EHLO xanadu.blop.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965580AbcBQUjp (ORCPT ); Wed, 17 Feb 2016 15:39:45 -0500 Content-Disposition: inline In-Reply-To: <87618083B2453E4A8714035B62D6799250577DB7@FMSMSX105.amr.corp.intel.com> Sender: netdev-owner@vger.kernel.org List-ID: Hi Emil, On 17/02/16 at 19:22 +0000, Tantilov, Emil S wrote: > >My understanding is that, during driver initialization, e1000e_reset() > >is called, which calls e1000_power_down_phy(), which breaks the BMC. > > e1000_power_down_phy() is only called in reset if the interface is down. > If you are not using the interface, then you can blacklist the driver. > Otherwise bringing up the interface should power the PHY back up and > restore the link for the BMC. We are using the interface. It is not brought back up for the BMC (or maybe, it is brought back up, but the BMC loses its configuration). -- | Lucas Nussbaum Assistant professor @ Univ. de Lorraine | | lucas.nussbaum@loria.fr LORIA / MADYNES | | http://www.loria.fr/~lnussbau/ +33 3 54 95 86 19 |