Re: [libvirt] LXC: autostart feature does set all interfaces to state up.

On 07/05/2013 04:45 AM, Richard Weinberger wrote: > Hi, > > Am 03.07.2013 12:04, schrieb Gao feng: >> Hi, >> On 07/01/2013 03:45 PM, Richard Weinberger wrote: >>> Hi! >>> >>> If you have multiple LXC containers with networking and the autostart feature enabled libvirtd fails to >>> up some veth interfaces on the host side. >>> >>> Most of the time only the first veth device is in state up, all others are down. >>> >>> Reproducing is easy. >>> 1. Define a few containers (5 in my case) >>> 2. Run "virsh autostart ..." on each one. >>> 3. stop/start libvirtd >>> >>> You'll observe that all containers are running, but "ip a" will report on the host >>> side that not all veth devices are up and are not usable within the containers. >>> >>> This is not userns related, just retested with libvirt of today. >> >> I can not reproduce this problem on my test bed... > > Strange. > >> maybe you should wait some seconds for the starting of these containers. > > Please see the attached shell script. Using it I'm able to trigger the issue on all of > my test machines. > run.sh creates six very minimal containers and enables autostart. Then it kills and restarts libvirtd. > After the script is done you'll see that only one or two veth devices are up. > > On the over hand, if I start them manually using a command like this one: > for cfg in a b c d e f ; do /opt/libvirt/bin/virsh -c lxc:/// start test-$cfg ; done > All veths are always up. > I still can not reproduce even use your script. [root@Donkey-I5 Desktop]# ./run.sh Domain test-a defined from container_a.conf Domain test-a marked as autostarted Domain test-b defined from container_b.conf Domain test-b marked as autostarted Domain test-c defined from container_c.conf Domain test-c marked as autostarted Domain test-d defined from container_d.conf Domain test-d marked as autostarted Domain test-e defined from container_e.conf Domain test-e marked as autostarted Domain test-f defined from container_f.conf Domain test-f marked as autostarted 2013-07-05 01:26:47.155+0000: 27163: info : libvirt version: 1.1.0 2013-07-05 01:26:47.155+0000: 27163: debug : virLogParseOutputs:1334 : outputs=1:file:/home/gaofeng/libvirtd.log waiting a bit.... 167: veth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master virbr0 state UP qlen 1000 169: veth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master virbr0 state UP qlen 1000 171: veth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master virbr0 state UP qlen 1000 173: veth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master virbr0 state UP qlen 1000 175: veth4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master virbr0 state UP qlen 1000 177: veth5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master virbr0 state UP qlen 1000 Can you post your libvirt debug log?