From owner-freebsd-stable@freebsd.org Wed Aug 30 23:10:25 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 C11F5E0C508 for ; Wed, 30 Aug 2017 23:10:25 +0000 (UTC) (envelope-from jtubnor@gmail.com) Received: from mail-yw0-x22a.google.com (mail-yw0-x22a.google.com [IPv6:2607:f8b0:4002:c05::22a]) (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 704F583F4D for ; Wed, 30 Aug 2017 23:10:25 +0000 (UTC) (envelope-from jtubnor@gmail.com) Received: by mail-yw0-x22a.google.com with SMTP id t188so38281836ywb.1 for ; Wed, 30 Aug 2017 16:10:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=4VQpr/hK4sXXSm9St0fTf3cLrCG+yzp3lkTcgLK6B3o=; b=GDcDvEfVfqX7OaEVVF2ixiwSg32y6dDAgJnQZE4wU25Qry7/jndkiVGvVsZG+qDXqM EIAtzrGnxjvHyZQrwqk2fLa9Rjk+nk1arXJX7/AIRoOSkKVQ1B6OVcuaU7bKihrkY2YL KZcYHtYnYyQiwkFg8jpve4AoXD5n47liy82Ki1YirZy94elq8fbi+UNdGE/EuP2g39+M BC4y48M2YRN56Lp7mSU3nJqthHw9e5EVO2IDpRGm65nzFLMP1v278X0HkqaemUGJCA21 z2DQ9qIYjuc5SZo9auF4M4bZwSe9TWTwJD7VbijswFL/ZWOkc7EzrRtQ37XPLziJ3iim mzmg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=4VQpr/hK4sXXSm9St0fTf3cLrCG+yzp3lkTcgLK6B3o=; b=WcaIMduQCCldQTj5VLaDmo1UDyi7y+DjlyVCiaHNSpUbJZr42XIJhOuZXmi+7Wh7G1 gnHR2d3TV7thYWhXmxl66hbMtgtLhb15+g88NDL78kH5EklprFX/TGL3B+/mXwRHl+AL o2O6WS5Qvk9YQ2hBWdXVDTGFu4tMLUNDOGFQOy54vj4x/MRV9FXUpgBpA/q/8JMNu6Ks lIpSY2ZUtJ210ttHggDLQmNPq/wKBEw8QUXM7q6dJfq8frJM5QucT/PG4+K4UvDfTqo0 8lUxmE0vX9i0Kl3S/PyC83UeDo94EBtx+JC9gxFKpRInUd0Q6AyRNVj+X3tO+E8EYztz RpUg== X-Gm-Message-State: AHYfb5hiscFZK8BRBTy5nizQbMM4/ddOzQOXF62GmQwH6IqcdyghBcxV IX3ccDYLjGS5hUWxmcxK22cYD9+fFQ== X-Received: by 10.37.224.8 with SMTP id x8mr553420ybg.74.1504134624592; Wed, 30 Aug 2017 16:10:24 -0700 (PDT) MIME-Version: 1.0 Sender: jtubnor@gmail.com Received: by 10.37.198.10 with HTTP; Wed, 30 Aug 2017 16:10:04 -0700 (PDT) In-Reply-To: References: From: Jason Tubnor Date: Thu, 31 Aug 2017 09:10:04 +1000 X-Google-Sender-Auth: WiPSf2THNR2SrVUB15-2GdpK5Ww Message-ID: Subject: Re: Bridged networking regression in 11.0? To: "Patrick M. Hausen" Cc: freebsd-stable Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.23 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, 30 Aug 2017 23:10:25 -0000 On 30 August 2017 at 20:49, Patrick M. Hausen wrote: > > The only real change relates to IF teardown and we did not change anything > (stop/restart jails) when the outages occured. > > So ... the network interface driver? Probably? > > > We are using igb(4) with vlan(4), tap(4) bundled into bridge(4). The taps are entries to bhyve guests. These were built initially on FreeBSD 11.0 and have been recently uplifted to FreeBSD 11.1. We have never had any issues with these bridges, even under heavy load. We do want to netmap/vale but not until it is maintainable via freebsd-update (built into generic). So based on what you have said, a bit more of a breakdown to determine the culprit that is within the bridge might be needed, especially with VIMAGE (though our FreeNAS jails use VIMAGE and bridges without breakage also). Cheers, Jason.