Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755785Ab3HWQxJ (ORCPT ); Fri, 23 Aug 2013 12:53:09 -0400 Received: from mail-ie0-f182.google.com ([209.85.223.182]:47725 "EHLO mail-ie0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755332Ab3HWQxG (ORCPT ); Fri, 23 Aug 2013 12:53:06 -0400 MIME-Version: 1.0 In-Reply-To: References: From: Bjorn Helgaas Date: Fri, 23 Aug 2013 10:52:45 -0600 Message-ID: Subject: Re: [E1000-devel] 3.11-rc4 ixgbevf: endless "Last Request of type 00 to PF Nacked" messages To: "Skidmore, Donald C" Cc: "e1000-devel@lists.sourceforge.net" , "linux-pci@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Don Dutile Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1500 Lines: 34 On Tue, Aug 20, 2013 at 5:37 PM, Bjorn Helgaas wrote: > On Tue, Aug 20, 2013 at 5:08 PM, Bjorn Helgaas wrote: >> On Tue, Aug 13, 2013 at 8:23 PM, Bjorn Helgaas wrote: > >>> I played with this a little more and found this: >>> >>> 1) Magma card in z420, connected to chassis containing X540: fails >>> (original report) >>> 2) X540 in z420, Magma card in z420, connected to empty chassis: fails >>> 3) X540 in z420, Magma card in z420 but no cable to chassis: works > > For what it's worth, I tried config 3 again with v3.11-rc6, and it > failed the same way. I haven't bothered with config 2. It's not 100% > reproducible, but at least it doesn't seem related to the expansion > chassis. > > I attached the logs from config 3 to > https://bugzilla.kernel.org/show_bug.cgi?id=60776 Is there anything I can do to help debug this? Add instrumentation, etc.? It seems like I'm doing the simplest possible thing -- just writing to the sysfs sriov_num_vfs file to enable VFs. I almost think it must be related to my config somehow if nobody else is seeing this, but at the same time, my config also seems the simplest possible, so I don't know what I could be doing that's unusual. Bjorn -- 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/