[Lxc-users] Archlinux 3.0 Kernel update breaks LXC

[John]

I've just replaced my "lxc" package with "lxc-git" and it's working 
again. Many thanks.
(my installed "lxc" package was probably one version stale also, which 
was most likely the problem)

I guess there's been a change in the kernel. before seeing your response 
started to check the kernel config to fix this and noted that 
CONFIG_CGROUP_NS is gone.

Anyway, all working now.

On 13/08/11 11:18, Joerg Gollnick wrote:
> Hello,
> it works here on two hosts (i686,x86_64) with lxc-git package (20110811)
> without any issues. (cgroup mounted at /cgroup)
> Are you using systemd or any other software.
> Hope that helps a little bit.
> Best regards Joerg
>
> Am Samstag, 13. August 2011, 04:57:42 schrieb lxc at jelmail.com:
>> Hello,
>>
>> I a quite desparately in a stuck situation because my recent ArchLinux
>> update to the 3.0 kernel version has broken my LXC. I've reported this on
>> the Arch forum but am also asking here because I hope there's a better
>> concentration of Arch users on the LXC list than there are LXC users on the
>> Arch list.
>>
>> I wouldn't normally cross-post but I am desperate as I have no system!!!
>>
>> Basically, when I try to start a container I get this:
>>
>> lxc-start -n mycontainer
>> lxc-start: No such file or directory - failed to rename cgroup
>> /cgroup/1781->/cgroup/mycontainer
>> lxc-start: failed to spawn 'mycontainer'
>> lxc-start: No such file or directory - failed to remove cgroup
>> '/cgroup/mycontainer'
>> [root at myhost ~]#
>>
>> Here is my checkconfig and uname:
>>
>> lxc-checkconfig
>> --- Namespaces ---
>> Namespaces: enabled
>> Utsname namespace: enabled
>> Ipc namespace: enabled
>> Pid namespace: enabled
>> User namespace: enabled
>> Network namespace: enabled
>> Multiple /dev/pts instances: enabled
>>
>> --- Control groups ---
>> Cgroup: enabled
>> Cgroup namespace: missing
>> Cgroup device: enabled
>> Cgroup sched: enabled
>> Cgroup cpu account: enabled
>> Cgroup memory controller: enabled
>> Cgroup cpuset: enabled
>>
>> --- Misc ---
>> Veth pair device: enabled
>> Macvlan: enabled
>> Vlan: enabled
>> File capabilities: missing
>>
>> Note : Before booting a new kernel, you can check its configuration
>> usage : CONFIG=/path/to/config /usr/bin/lxc-checkconfig
>>
>> [root at myhost ~]# uname -a
>> Linux myhost 3.0-ARCH #1 SMP PREEMPT Sat Aug 6 16:18:35 CEST 2011 x86_64
>> Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz GenuineIntel GNU/Linux
>>
>> Please help, I am most desparately stuck as my desktop is in a container!!!
>>
>> Anyone else got this? Any suggestions for a solution?
>>
>> Thank you.
>>
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