From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752228Ab0KDC01 (ORCPT ); Wed, 3 Nov 2010 22:26:27 -0400 Received: from mga09.intel.com ([134.134.136.24]:63743 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751287Ab0KDC0Z (ORCPT ); Wed, 3 Nov 2010 22:26:25 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.58,292,1286175600"; d="scan'208";a="674108008" Subject: Re: [E1000-devel] 2.6.36 abrupt total e1000e carrier loss (cured by reboot) From: "\"Brandeburg, Jesse\"" To: Nix Cc: "Tantilov, Emil S" , "e1000-devel@lists.sourceforge.net" , "linux-kernel@vger.kernel.org" In-Reply-To: <87zktsskua.fsf@spindle.srvr.nix> References: <87ocaaszx1.fsf@spindle.srvr.nix> <87zktsskua.fsf@spindle.srvr.nix> Content-Type: text/plain; charset="UTF-8" Date: Wed, 03 Nov 2010 22:26:26 -0400 Message-ID: <1288837586.2835.3.camel@jbrandeb-mobl2> Mime-Version: 1.0 X-Mailer: Evolution 2.32.0 (2.32.0-2.fc14) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2010-11-01 at 16:08 -0700, Nix wrote: > 03:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network > Connection > LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+ > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- This is a problem, L0s and L1 don't work on these adapters, make sure that the patches to the driver to disable ASPM upon load are in place and working (by the ASPM value above indicating ASPM Disabled) The above could be responsible for your issue. If you don't want to disable ASPM system wide, then you could just make sure to run a recent kernel with the ASPM patches, or get our e1000.sf.net e1000e driver and try it, as it will work around the issue whether or not aspm is enabled. Jesse