From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754359AbdKHBbK (ORCPT ); Tue, 7 Nov 2017 20:31:10 -0500 Received: from shards.monkeyblade.net ([184.105.139.130]:59744 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753684AbdKHBbI (ORCPT ); Tue, 7 Nov 2017 20:31:08 -0500 Date: Wed, 08 Nov 2017 10:31:05 +0900 (KST) Message-Id: <20171108.103105.142249724388345463.davem@davemloft.net> To: vkuznets@redhat.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, eric.dumazet@gmail.com Subject: Re: [PATCH net-next v2 0/2] hv_netvsc: fix a hang on channel/mtu changes From: David Miller In-Reply-To: <20171102103531.5514-1-vkuznets@redhat.com> References: <20171102103531.5514-1-vkuznets@redhat.com> X-Mailer: Mew version 6.7 on Emacs 25.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 07 Nov 2017 17:31:08 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vitaly Kuznetsov Date: Thu, 2 Nov 2017 11:35:29 +0100 > It was found that netvsc driver doesn't survive e.g. > > # while true; do ethtool -L eth0 combined 4; ethtool -L eth0 combined 8; done" > > test. I was able to identify a hang in guest/host communication, it is > fixed by PATCH1 of this series. PATCH2 is a cosmetic change masking > unneeded messages. > > Changes since v1: > - Throw away patches 2 and 3 of the original series as one is unneeded and > the other is not justified [Eric Dumazet, Stephen Hemminger] so I'm only > fixing the hang now, the crash doesn't reproduce. Will keep an eye on it. Series applied to net-next, thank you.