Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933285Ab2KOAdB (ORCPT ); Wed, 14 Nov 2012 19:33:01 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:42799 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755462Ab2KOAdA (ORCPT ); Wed, 14 Nov 2012 19:33:00 -0500 Message-ID: <50A43828.6000702@oracle.com> Date: Thu, 15 Nov 2012 08:32:40 +0800 From: Joe Jin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121029 Thunderbird/16.0.2 MIME-Version: 1.0 To: "Dave, Tushar N" CC: "e1000-devel@lists.sf.net" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Mary Mcgrath Subject: Re: 82571EB: Detected Hardware Unit Hang References: <509B5038.8090304@oracle.com> <061C8A8601E8EE4CA8D8FD6990CEA89133487884@ORSMSX102.amr.corp.intel.com> <50A30656.6090508@oracle.com> <061C8A8601E8EE4CA8D8FD6990CEA8913348B105@ORSMSX102.amr.corp.intel.com> In-Reply-To: <061C8A8601E8EE4CA8D8FD6990CEA8913348B105@ORSMSX102.amr.corp.intel.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1240 Lines: 33 On 11/14/12 11:45, Dave, Tushar N wrote: >> -----Original Message----- >> From: Joe Jin [mailto:joe.jin@oracle.com] >> Sent: Tuesday, November 13, 2012 6:48 PM >> To: Dave, Tushar N >> Cc: e1000-devel@lists.sf.net; netdev@vger.kernel.org; linux- >> kernel@vger.kernel.org; Mary Mcgrath >> Subject: Re: 82571EB: Detected Hardware Unit Hang >> >> On 11/09/12 04:35, Dave, Tushar N wrote: >>> All devices in path from root complex to 82571, should have *same* max >> payload size otherwise it can cause hang. >>> Can you double check this? >> >> Hi Tushar, >> >> Checked with hardware vendor and they said no way to modify the max >> payload size from BIOS, can I modify it from driver side? > > If you want to change value for 82571 device you can do it from eeprom but for other upstream devices I am not sure. I will check with my team. Hi Tushar, Would you please help to fine the offset of max payload size in eeprom? I'd like to have a try to modify it by ethtool. Thanks in advance, Joe -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/