From owner-freebsd-cloud@freebsd.org Mon Jan 25 21:30:06 2016 Return-Path: Delivered-To: freebsd-cloud@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 2F1C1A46F79 for ; Mon, 25 Jan 2016 21:30:06 +0000 (UTC) (envelope-from bounces+73574-160b-freebsd-cloud=freebsd.org@sendgrid.net) Received: from o3.shared.sendgrid.net (o3.shared.sendgrid.net [208.117.48.85]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id EEDB7C1F for ; Mon, 25 Jan 2016 21:30:05 +0000 (UTC) (envelope-from bounces+73574-160b-freebsd-cloud=freebsd.org@sendgrid.net) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sendgrid.info; h=subject:to:references:from:mime-version:in-reply-to:content-type:content-transfer-encoding; s=smtpapi; bh=AnuTpE5y7EWRx7oUqMUycd/Nb2Q=; b=vv7roo+YO4SNeJhdxh KXDcxeLYsufouh712PyEX8S8IBX2CzwgKxvBYx8yrTlmqY5bYgij1j+SyZgvb1dw KtKVrtfPh5m8QgbfGJ63xo58xL7/R/hBmlNCz/XcMqZxa5+uQHxNXMi4y06AGQ7a 8KHffXLP0Lwb/XB3Agacboq64= Received: by filter0912p1mdw1.sendgrid.net with SMTP id filter0912p1mdw1.19039.56A693DB31 2016-01-25 21:30:03.431624651 +0000 UTC Received: from mail.tarsnap.com (ec2-54-86-246-204.compute-1.amazonaws.com [54.86.246.204]) by ismtpd0002p1iad1.sendgrid.net (SG) with ESMTP id pfipg7gqSk-U3j9ejsSL8g for ; Mon, 25 Jan 2016 21:30:02.861 +0000 (UTC) Received: (qmail 94553 invoked from network); 25 Jan 2016 21:27:23 -0000 Received: from unknown (HELO clamshell.daemonology.net) (127.0.0.1) by ec2-107-20-205-189.compute-1.amazonaws.com with ESMTP; 25 Jan 2016 21:27:23 -0000 Received: (qmail 39580 invoked from network); 25 Jan 2016 21:30:01 -0000 Received: from unknown (HELO clamshell.daemonology.net) (127.0.0.1) by clamshell.daemonology.net with SMTP; 25 Jan 2016 21:30:01 -0000 Subject: Re: EC2 Advanced Networking in HEAD To: Jeremiah Lott , freebsd-cloud@freebsd.org References: From: Colin Percival X-Enigmail-Draft-Status: N1110 Message-ID: <56A693D9.3010304@freebsd.org> Date: Mon, 25 Jan 2016 13:30:01 -0800 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SG-EID: XhyBwObMhraAR+zdwMupjd7LSrZ36RouVZZW3oDOpB13GJAkF4EyYoJmrFIPZkqfI1kr8qeMo/SixT jSY6cJpVzuTNUZ5UfbjrxNCiVLgf20ezeD229kHWgPV8B7mfR9ViKLX1Uqcva22AINXDgPPmMymw95 EGcrbshykhe6J35nmVhZcHcWB6yQX0cWFR0/YITxIY8vj7oIHq//vLq/t7pCSfk9njljsCnKN1hoDQ U= X-BeenThere: freebsd-cloud@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "FreeBSD on cloud platforms \(EC2, GCE, Azure, etc.\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jan 2016 21:30:06 -0000 On 01/25/16 13:16, Jeremiah Lott wrote: > I'm having very inconsistent results using the latest 11.0-CURRENT snapshot > AMI "FreeBSD 11.0-CURRENT-amd64-2016-01-22 (ami-0b95716b)". A pretty high > percentage of the time (I'd say at least 50%), networking does not work > when I create an instance. Just to rule out the obvious: Sometimes I accidentally launch instances into VPC subnets which default to not assigning public IP addresses. > I am using various r3 instance types in the > us-west-2b AZ. Sometimes when I create an instance, everything works fine > and I get a DHCP lease for my ixv0 device. Other times, ixv0 is probed, but > I never get a DHCP offer (which was the broken behavior from before). > Changing the instance type or stopping/stopping the instance can switch an > instance's NIC from "working" to "non-working" and vice-versa. However, I'm > not convinced it has to do with instance type per-se (changing instance > type changes a lot of things about the underlying hardware). Anyone else > successfully using this latest AMI? Since advanced networking is on by > default now, I'd expect others who are using the AMI to see problems as > well. It worked in my tests, but they were far from exhaustive. (This is why I turned it on in HEAD -- so that everybody else can find the bugs!) -- Colin Percival Security Officer Emeritus, FreeBSD | The power to serve Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid