On Tue 2011-04-12 (08:27), Serge Hallyn wrote:
> Quoting Ulli Horlacher ([email protected]):
>
> > On Tue 2011-04-12 (09:19), Ulli Horlacher wrote:
> > > I use lxc with physical eth1.
> > > I can start the container, connect to it, etc. Everything looks ok. But
> > > when I stop the container and try to restart it, eth1 is no more availble.
> > > Looks lxc "eats" this interface. How can I free it (without rebooting the
> > > host (zoo))?
> >
> > Addon:
> >
> > This was with kernel 2.6.35-25-virtual
>
> Could you try a newer kernel?
Same problem with 2.6.39-020639rc3-generic: eth1 will not come back after
container shutdown.
root@zoo:/lxc# uname -a
Linux zoo.rus.uni-stuttgart.de 2.6.39-020639rc3-generic #201104120912 SMP Tue
Apr 12 09:16:19 UTC 2011 x86_64 GNU/Linux
root@zoo:/lxc# grep network ubuntu.cfg
lxc.network.type = phys
lxc.network.link = eth1
lxc.network.flags = up
lxc.network.name = eth0
lxc.network.mtu = 1500
lxc.network.ipv4 = 129.69.1.219/24
root@zoo:/lxc# l /proc/sys/net/ipv4/conf/
dRWX - 2011-04-13 08:15 /proc/sys/net/ipv4/conf/all
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/br0
dRWX - 2011-04-13 08:15 /proc/sys/net/ipv4/conf/default
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth0
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth1
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth2
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth3
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth4
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth5
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth6
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth7
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth8
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth9
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/lo
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/virbr0
root@zoo:/lxc# lxc-start -d -f /lxc/ubuntu.cfg -n ubuntu
root@zoo:/lxc# lxc-console -n ubuntu
Type <Ctrl+a q> to exit the console
root@LXC:~# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:50:56:8e:00:22
inet addr:129.69.1.219 Bcast:129.69.1.255 Mask:255.255.255.0
inet6 addr: fe80::250:56ff:fe8e:22/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:98 errors:0 dropped:0 overruns:0 frame:0
TX packets:20 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:6675 (6.6 KB) TX bytes:1386 (1.3 KB)
root@zoo:/lxc# lxc-stop -n ubuntu
root@zoo:/lxc# l /proc/sys/net/ipv4/conf/
dRWX - 2011-04-13 08:15 /proc/sys/net/ipv4/conf/all
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/br0
dRWX - 2011-04-13 08:15 /proc/sys/net/ipv4/conf/default
dRWX - 2011-04-13 08:20 /proc/sys/net/ipv4/conf/dev3
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth0
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth2
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth3
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth4
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth5
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth6
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth7
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth8
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/eth9
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/lo
dRWX - 2011-04-13 08:17 /proc/sys/net/ipv4/conf/virbr0
eth1 is now dev3
(How) can I rename it back?
Rebooting the host is not a solution :-}
--
Ullrich Horlacher Server- und Arbeitsplatzsysteme
Rechenzentrum E-Mail: [email protected]
Universitaet Stuttgart Tel: ++49-711-685-65868
Allmandring 30 Fax: ++49-711-682357
70550 Stuttgart (Germany) WWW: http://www.rus.uni-stuttgart.de/
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