From owner-freebsd-stable@freebsd.org Wed Sep 6 11:08:44 2017 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id BE44DE2157F for ; Wed, 6 Sep 2017 11:08:44 +0000 (UTC) (envelope-from paul.koch137@gmail.com) Received: from mail-io0-x22c.google.com (mail-io0-x22c.google.com [IPv6:2607:f8b0:4001:c06::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3604D823BE for ; Wed, 6 Sep 2017 11:08:44 +0000 (UTC) (envelope-from paul.koch137@gmail.com) Received: by mail-io0-x22c.google.com with SMTP id q64so23098252iod.5 for ; Wed, 06 Sep 2017 04:08:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=7HqNh0aAvClNalcaQQN3DdRV+FF+TDLxA5Nyz2vZz6g=; b=Sl5ta0L2UUEtYVJsBEH4fMFKEocq9jbe8/3iVkVgIFHGNBFNhscpNpTv19XP1SdO0j DmbD5Y3I+MqCZ3sf7gODCMCXWUbJca1zvHgeBttotlZqnxy0snU0duWXzxF9IMuNJ/hZ 4EzoJKEa6KUh67jnoq4eIwx+iKkZFiv+UHzYghOpX4/WGKZMCy0nLc7VPLDtF3vMvViu aGrLJhj3TlZfocAW7KFHAgPvVN3NTNL2tMIZU/J1ANFPM0ZmaHnDBmIQFrqEMzvcsrZm hgq9gzJE/RpG7xELRRBQZK0W9Xxk+dQWm9Qus/Eq0ljKTmuVprCHjKakN4vVQkiE/jxX 07oQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=7HqNh0aAvClNalcaQQN3DdRV+FF+TDLxA5Nyz2vZz6g=; b=Rt6AnzREGOZxfnXh38B9pT1zmB9OVo0/8aX5rqpUtmnrz8gYKjDttxubh0arLGyBn2 MQ7kOGcnN08Cr9bHBxMHRbFCS6nzh/o8q1WeGZYQp26zoXhpBouAH5NW8Gy/0RMsTdRf vzWNmKev6uLSgks5vn05qzfwROCSlljAw8x9xiBGJPfjtZeUA+xio9qrRIOusuMl0me3 7PwsxIZvDIc3UExNj2SqFqCDUBUVfSREDO6Izurfibu17dXE/VHnZZBYMMjDxLNm8JbT vqNSN88f7tcrACdPRIJm5UvfppbtqP1lR/ik19xTVxaxAgoCYFKIIM5ZSLsPps7saie1 YhRw== X-Gm-Message-State: AHPjjUiDzneCKo6Xvf7IeYvcdaJqPzqCSGG4lM+xhRWQmqH/XoDV3hFw MXcvXVMuAuLFfDJc X-Google-Smtp-Source: AOwi7QAf1cd8Y/BoXg/Uxozlk33V1jjj1IWi+mPFEc0xu69KLrmsrxENnEKUQzbRdTX/KXK27Bt9Kg== X-Received: by 10.107.170.36 with SMTP id t36mr2277117ioe.327.1504696123420; Wed, 06 Sep 2017 04:08:43 -0700 (PDT) Received: from splash.akips.com (CPE-120-146-191-2.static.qld.bigpond.net.au. [120.146.191.2]) by smtp.gmail.com with ESMTPSA id q18sm1406285ioe.55.2017.09.06.04.08.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 06 Sep 2017 04:08:42 -0700 (PDT) Date: Wed, 6 Sep 2017 21:08:29 +1000 From: Paul Koch To: Pete French Cc: freebsd-stable@freebsd.org Subject: Re: 11.1 running on HyperV hn interface hangs Message-ID: <20170906210830.469cbd38@splash.akips.com> In-Reply-To: <3f96c7d0-4fbd-26cb-5c84-8868d12eb427@ingresso.co.uk> References: <20170906193309.796c79ed@akips.com> <3f96c7d0-4fbd-26cb-5c84-8868d12eb427@ingresso.co.uk> X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.29; amd64-portbld-freebsd10.2) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Sep 2017 11:08:44 -0000 On Wed, 6 Sep 2017 12:02:43 +0100 Pete French wrote: > > We recently moved our software from 11.0-p9 to 11.1-p1, but looks like > > there is a regression in 11.1-p1 running on HyperV (Windows/HyperV 2012 > > R2) where the virtual hn0 interface hangs with the following kernel > > messages: > > > > hn0: on vmbus0 > > hn0: Ethernet address: 00:15:5d:31:21:0f > > hn0: link state changed to UP > > ... > > hn0: RXBUF ack retry > > hn0: RXBUF ack failed > > last message repeated 571 times > > > > It requires a restart of the HyperV VM. > > > > This is a customer production server (remote customer ~4000km away) > > running fairly critical monitoring software, so we needed to roll it back > > to 11.0-p9. We only have two customers running our software in HyperV, vs > > lots in VMware and a handful on physical hardware. > > > > 11.0-p9 has been very stable. Has anyone seen this problem before with > > 11.1 ? > > > I don't run anything on local hyper-v anymore, but I do run a ot of > stuff in Azure, and we havent seen anything like this. I track STABLE > for things though, updating after reading the commits and testing > locally for a week or so, so the version I am running currently is > r320175, which was part of 11.1-BETA2. I am going to upgrade to a more > recent STABLE sometime this weke or next though, will do that on a test > amchine and let you now how it goes. > > I seem to recall that there were some large changes to the hn code in > August to add virtual function support. When does 11.1-p1 date from ? Looks like 2017-08-10 Paul.