Date: Tue, 17 Mar 2015 15:25:09 +0300 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Oleg Ginzburg <olevole@olevole.ru> Cc: Bryan Venteicher <bryanv@freebsd.org>, freebsd-net@freebsd.org Subject: Re: SIOCSVH, SIOCGVH ioctl(2) and virtio ethernet driver Message-ID: <20150317122509.GR17947@glebius.int.ru> In-Reply-To: <3860521.yJlCc0OyhB@kde4.my.domain> References: <36413168.TE9MLvZCzL@kde4.my.domain> <CAGaYwLcjGQuRPQDX%2Bji7i=YQ6_J_Z2-aegAFnAHC9ukBaqL4BA@mail.gmail.com> <3860521.yJlCc0OyhB@kde4.my.domain>
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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<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu
O> 1500
O> options=80028<VLAN_MTU,JUMBO_MTU,LINKSTATE>
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<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
O> media: Ethernet 10Gbase-T <full-duplex>
O> status: active
O> carp: BACKUP vhid 1 advbase 1 advskew 100
O>
O> % ifconfig vtnet0
O> vtnet0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu
O> 1500
O> options=80028<VLAN_MTU,JUMBO_MTU,LINKSTATE>
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<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
O> media: Ethernet 10Gbase-T <full-duplex>
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<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=80028<VLAN_MTU,JUMBO_MTU,LINKSTATE>
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<PERFORMNUD,AUTO_LINKLOCAL>
media: Ethernet 10Gbase-T <full-duplex>
status: active
carp: MASTER vhid 1 advbase 1 advskew 100
--
Totus tuus, Glebius.
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