From owner-freebsd-net@FreeBSD.ORG Tue Mar 17 12:25:19 2015 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 68692C2C; Tue, 17 Mar 2015 12:25:19 +0000 (UTC) Received: from cell.glebius.int.ru (glebius.int.ru [81.19.69.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "cell.glebius.int.ru", Issuer "cell.glebius.int.ru" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id DFDA479A; Tue, 17 Mar 2015 12:25:18 +0000 (UTC) Received: from cell.glebius.int.ru (localhost [127.0.0.1]) by cell.glebius.int.ru (8.14.9/8.14.9) with ESMTP id t2HCP9YZ057193 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 17 Mar 2015 15:25:09 +0300 (MSK) (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by cell.glebius.int.ru (8.14.9/8.14.9/Submit) id t2HCP9tU057192; Tue, 17 Mar 2015 15:25:09 +0300 (MSK) (envelope-from glebius@FreeBSD.org) X-Authentication-Warning: cell.glebius.int.ru: glebius set sender to glebius@FreeBSD.org using -f Date: Tue, 17 Mar 2015 15:25:09 +0300 From: Gleb Smirnoff To: Oleg Ginzburg Subject: Re: SIOCSVH, SIOCGVH ioctl(2) and virtio ethernet driver Message-ID: <20150317122509.GR17947@glebius.int.ru> References: <36413168.TE9MLvZCzL@kde4.my.domain> <3860521.yJlCc0OyhB@kde4.my.domain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3860521.yJlCc0OyhB@kde4.my.domain> User-Agent: Mutt/1.5.23 (2014-03-12) Cc: Bryan Venteicher , freebsd-net@freebsd.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Mar 2015 12:25:19 -0000 On Mon, Mar 16, 2015 at 02:49:58AM +0300, Oleg Ginzburg wrote: O> b) On FreeBSD-current r276500M CARP IP is established for some seconds, then O> vanishes: O> O> % /sbin/ifconfig vtnet0 vhid 1 advskew 100 pass navuhodonosor 192.168.1.210/24 O> state master alias O> % ifconfig vtnet0 O> vtnet0: flags=8943 metric 0 mtu O> 1500 O> options=80028 O> ether 00:a0:98:d7:e3:65 O> inet 192.168.1.170 netmask 0xffffff00 broadcast 192.168.1.255 O> inet 192.168.1.210 netmask 0xffffff00 broadcast 192.168.1.255 vhid 1 O> nd6 options=29 O> media: Ethernet 10Gbase-T O> status: active O> carp: BACKUP vhid 1 advbase 1 advskew 100 O> O> % ifconfig vtnet0 O> vtnet0: flags=8943 metric 0 mtu O> 1500 O> options=80028 O> ether 00:a0:98:d7:e3:65 O> inet 192.168.1.170 netmask 0xffffff00 broadcast 192.168.1.255 O> nd6 options=29 O> media: Ethernet 10Gbase-T O> status: active O> O> % dmesg O> ... O> carp_alloc_if: ifpromisc(vtnet0) failed: 45 O> carp: VHID 1@vtnet0: INIT -> BACKUP O> carp: VHID 1@vtnet0: BACKUP -> MASTER (master down) O> ifa_del_loopback_route: deletion failed: 3 O> ifa_del_loopback_route: deletion failed: 3 O> O> O> And one more dmesg from the server with more fresher revision (r280012M): O> O> carp_alloc_if: ifpromisc(vtnet0) failed: 45 O> carp: 1@vtnet0: INIT -> BACKUP (initialization complete) O> carp: 1@vtnet0: BACKUP -> MASTER (master timed out) In my case on r280167, all works okay, despite the carp_alloc_if warning: #/sbin/ifconfig vtnet0 vhid 1 advskew 100 pass navuhodonosor 192.168.1.210/24 state master alias #dmesg | tail -n 3 carp_alloc_if: ifpromisc(vtnet0) failed: 45 carp: 1@vtnet0: INIT -> BACKUP (initialization complete) carp: 1@vtnet0: BACKUP -> MASTER (master timed out) #ifconfig vtnet0 vtnet0: flags=8943 metric 0 mtu 1500 options=80028 ether 00:a0:98:83:f4:f1 inet 10.6.6.9 netmask 0xfffffffe broadcast 255.255.255.255 inet 192.168.1.210 netmask 0xffffff00 broadcast 192.168.1.255 vhid 1 inet6 fe80::2a0:98ff:fe83:f4f1%vtnet0 prefixlen 64 scopeid 0x1 nd6 options=21 media: Ethernet 10Gbase-T status: active carp: MASTER vhid 1 advbase 1 advskew 100 -- Totus tuus, Glebius.