From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756166AbcGZOJG (ORCPT ); Tue, 26 Jul 2016 10:09:06 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:43565 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752056AbcGZOJE (ORCPT ); Tue, 26 Jul 2016 10:09:04 -0400 Date: Tue, 26 Jul 2016 16:06:53 +0200 (CEST) From: Thomas Gleixner To: Foster Snowhill cc: LKML , Matthias Prager , Jason Taylor , Marc Zyngier Subject: Re: PROBLEM: Intel I210AT NIC resets while using PCI passthrough on ESXi (regression) In-Reply-To: <20c1e36b-df93-9b30-31be-8a0a3eeaafc1@forstwoof.ru> Message-ID: References: <20c1e36b-df93-9b30-31be-8a0a3eeaafc1@forstwoof.ru> User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 26 Jul 2016, Foster Snowhill wrote: > On 26.07.16 16:49, Thomas Gleixner wrote: > > On Mon, 25 Jul 2016, Foster Snowhill wrote: > >> On 25.07.16 13:56, Thomas Gleixner wrote: > >>> Could you please give the patch below a try? It might be related, but I'm not > >>> sure whether it will cure that particular vmware oddity. > >> > >> Patch fixed the issue for me. Did 4-5 reboots just to be sure, all working properly, no adapter resets. Just for the sake of experiment built a clean 4.7 kernel without the patch, issue still present there as expected. > >> > > > > Can you please test something else with that patch? > > > > After starting the NIC, can you please shutdown the interface, so the > > interrupt gets shutdown as well. (It should vanish from /proc/interrupts). Does reenabling work or does that result in a stall again? Thanks, tglx