[Lxc-users] lxc-execute: failed to move 'eth2' to the container : Invalid argument

lhffjzh lhffjzh at 126.com
Wed May 29 02:44:32 UTC 2013


Hi Serge,

Thanks very much for your help, we'll upgrade kernel and have a trial.



Regards,
Haifeng


-----Original Message-----
From: Serge Hallyn [mailto:serge.hallyn at ubuntu.com] 
Sent: Wednesday, May 29, 2013 5:01 AM
To: lhffjzh
Cc: lxc-users
Subject: Re: [Lxc-users] lxc-execute: failed to move 'eth2' to the container
: Invalid argument

Looking at git history, I think you need a kernel newer than 2.6.34 to
be able to move phsyical devices.  The reason is that tagged directories
in sysfs were not introduced until then.

-serge

Quoting lhffjzh (lhffjzh at 126.com):
> Hi Friends,
> 
> I am investigate lxc now, and I hope to configure a physical NIC(network)
into a linux container, as the template "lxc-phys.conf" which in downloaded
package, but I got a error "lxc-execute: failed to move 'eth2' to the
container : Invalid argument" when I executed command by "lxc-execute",
could anyone help me for this?
> 
> The OS is CentOS6.3 on my PC, there is a NIC "eth2" plugged on it, and I
create a configuration file "./lxc.cfg" for starting physical NIC/network in
LXC,  but it complain following error message.
>  
> # PC platform
> [root at DEV_1_A brtest]# uname -a
> Linux DEV_1_A 2.6.32-358.6.2.el6.centos.plus.x86_64 #1 SMP Thu May 16
17:43:34 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
> 
> # NIC "eth2" on my PC
> [root at DEV_1_A brtest]# ifconfig  eth2
> eth2      Link encap:Ethernet  HWaddr 00:1B:21:D1:B5:51  
>           inet6 addr: fe80::21b:21ff:fed1:b551/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:22781478 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:11388043 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:34468071848 (32.1 GiB)  TX bytes:751688768 (716.8 MiB)
>           Memory:fb400000-fb420000 
> 
> # ./lxc.cfg 
> lxc.utsname = brtest
> lxc.pts = 1024
> 
> # When using LXC with apparmor, uncomment the next line to run unconfined:
> #lxc.aa_profile = unconfined
> 
> lxc.network.type = phys
> lxc.network.flags = up
> lxc.network.link = eth2
> lxc.network.name = eth2
> lxc.network.hwaddr = 00:1B:21:D1:B5:51
> lxc.network.ipv4 = 10.16.1.2/24
> lxc.network.ipv4.gateway = 10.16.1.1
> 
> # Error when start lxc
> [root at DEV_1_A brtest]# lxc-create -n brtest -f ./lxc.cfg 
> 'brtest' created
> [root at DEV_1_A brtest]# lxc-execute -n brtest -f ./lxc.cfg /bin/bash
> lxc-execute: failed to move 'eth2' to the container : Invalid argument
> lxc-execute: failed to create the configured network
> lxc-execute: failed to spawn 'brtest'
> 
> 
> 
> Thanks and Regards,
> Haifeng

>
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