From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [net-next-2.6 PATCH 02/12] e1000e: bad state after running ethtool diagnostics with AMT enabled Date: Wed, 12 May 2010 23:31:51 -0700 (PDT) Message-ID: <20100512.233151.112585268.davem@davemloft.net> References: <20100511005801.30827.50808.stgit@localhost.localdomain> <20100511005929.30827.30176.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, gospo@redhat.com, bruce.w.allan@intel.com To: jeffrey.t.kirsher@intel.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:45011 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753301Ab0EMGbn (ORCPT ); Thu, 13 May 2010 02:31:43 -0400 In-Reply-To: <20100511005929.30827.30176.stgit@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: From: Jeff Kirsher Date: Mon, 10 May 2010 17:59:31 -0700 > From: Bruce Allan > > When running ethtool online diagnostics with no open interface, there is a > short period of time where the driver relinquishes control of the adapter > during which time AMT (manageability firmware) can put the adapter into an > unknown state resulting in such things as link test failure, hardware hang, > reporting an incorrect link speed, etc. Resetting the adapter during an > open() resolves this by putting the adapter into a quiescent state. > > Signed-off-by: Bruce Allan > Signed-off-by: Jeff Kirsher Applied.