From owner-freebsd-emulation@freebsd.org Sat Jun 4 19:50:47 2016 Return-Path: Delivered-To: freebsd-emulation@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 C3D89B68BEC; Sat, 4 Jun 2016 19:50:47 +0000 (UTC) (envelope-from asomers@gmail.com) Received: from mail-oi0-x22d.google.com (mail-oi0-x22d.google.com [IPv6:2607:f8b0:4003:c06::22d]) (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 8C12F18A5; Sat, 4 Jun 2016 19:50:47 +0000 (UTC) (envelope-from asomers@gmail.com) Received: by mail-oi0-x22d.google.com with SMTP id w184so174234546oiw.2; Sat, 04 Jun 2016 12:50:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=kzY2ioC65hSth8Q02Bg5A6yr2V1W883JdoT4G2ilPfk=; b=LiX61+usvm7Eea41ooOnBRJGu8wvSq3C0zBVytLw5gMK9XzB/s5FyP2pcpsW//2w8f pmKBbFo/1PgrkcbG4by/vIpKhxo9NHEInxdGWcn7NHQkOVAnPCpQohfDAff7au3NgEs6 dWk8ItMHpkS/i4PyPIYvKVoS+gYoPhfm88FVmQnvWueI62BnB5yIzt+3oZh3y1JHD0e4 yLPGDUXJA3RjfBYmyZ/K/EV8f6K0cQcqeQyO2GcZzJfZrGY56kJ3on96bDTUDv+YUrWZ Sl4MreYZGz1N8YBijlT7Wc9S8TLF6McwwzrXyt/Ra7EkOTmqER+DkbO5DN/MLSilXysr /vUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=kzY2ioC65hSth8Q02Bg5A6yr2V1W883JdoT4G2ilPfk=; b=PpRotLRKKhuk3g9+QPPHVqx6BxY8P9dFRU/u4UIek599jc+ze+JGbaFY+K81gQMxAe QJsc54yFn1RASq5LDe4u2MkQ7h7cX8fnvRyszDlKMHmCCZ7HhUUkNzalM3pk1xSNtIHw nuwOk/DXgBwKG3ZusUZHGPmi0Zqnnd8Lr83nOSyZ6sn5VYIFhsm6ETuHz59vFFqL5i26 J/SOvgrMQqev4gkKCIXfeQpFDkt1GOPjzl7tsdNXjPmAM8sHe8yJ6AFwKl25sr2YfeJR /65efUqJb9EaSBbSxbfNlGGjl38VokjhFQxzeioYaCWBNc9PmTkEqiNEC2K+a+4rOUPS xcrA== X-Gm-Message-State: ALyK8tKO+YfCeQY4TLtvEx+4hwgK91qdk4Tlp3ZIbyxmNWfBKlW2G1mbsDy0BDAyQr78mzSwOzl61gkLWHrBBA== X-Received: by 10.157.32.19 with SMTP id n19mr5496856ota.108.1465069846569; Sat, 04 Jun 2016 12:50:46 -0700 (PDT) MIME-Version: 1.0 Sender: asomers@gmail.com Received: by 10.202.4.200 with HTTP; Sat, 4 Jun 2016 12:50:46 -0700 (PDT) In-Reply-To: <201606040043.u540hOVq045060@gw.catspoiler.org> References: <201606040011.u540BODD045000@gw.catspoiler.org> <201606040043.u540hOVq045060@gw.catspoiler.org> From: Alan Somers Date: Sat, 4 Jun 2016 13:50:46 -0600 X-Google-Sender-Auth: pP0c0HpAw5gw6uJ0FlJrJShtybg Message-ID: Subject: Re: VirtualBox network connectivity broken on recent -CURRENT To: Don Lewis Cc: FreeBSD CURRENT , freebsd-emulation@freebsd.org Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 04 Jun 2016 19:50:47 -0000 On Fri, Jun 3, 2016 at 6:43 PM, Don Lewis wrote: > On 3 Jun, Don Lewis wrote: >> It looks like something changed in -CURRENT to break network >> connectivity to VirtualBox guests. This was last known to work with >> r299139 (May 6th) and is definitely broken with r301229. The VirtualBox >> port revisions are: >> virtualbox-ose-4.3.38_1 >> virtualbox-ose-kmod-4.3.38 >> It looks like there was one change to the VirtualBox on May 9th, but it >> looks unlikely to be the cause of the problem. >> >> The network settings are: >> Attached to: Bridged Adapter >> Name: re0 >> Adapter Type: Paravirtualized Network (virtio-net) >> Promiscuous Mode: Deny >> MAC Address: [snip] >> Ifconfig says that the interface is up, but I am unable to ping either >> the host or anything else on the LAN from the guest. It looks like the >> problem is with outbound traffic. If I attempt to ping the guest, the >> source IP address and MAC address show up in the guest's arp table, but >> ping reports: >> ping: sendto: Host is down >> That makes me think that the arp responses from the guest are not >> getting transmitted. None of the machines involved are running >> firewalls. If I ping from the guest, I don't see any arp requests on >> the wire and the arp command shows the table entry as incomplete. >> >> The problem shows up with both FreeBSD -CURRENT and Debian guests. > > I see the same behaviour if I set: > Attached to: NAT > or > Adapter Type: 82540EM > Might be related to this routing bug: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207831