[lxc-users] lxc stop does not stop a CentOS 7 container

[Hans Deragon]

Greetings,

I have a similar problem with Xenial, though I have not found any 
solution (I am not familiar with systemd and the solution provided for 
CentOS does not apply to Xenial).

I created a few days ago a new container on an updated Ubuntu Trusty 
Thar 14.04 LTS host using the following command:

  lxc launch images:ubuntu/xenial/amd64 server1

Now, it hangs when I run:

  lxc stop server1

This problem was reported at https://github.com/lxc/lxd/issues/1570 [3]

What puzzles me, is that stopping a container is such a basic feature 
that I am surprise to find that it is not being addressed. Both Trusty 
and Xenial are now out and production ready, yet one cannot stop a 
Xenial container. Are we the only one that have this problem? Should I 
open a new bug report or can someone open this one again since it is not 
fixed?

Best regards,
Hans Deragon

On 2016-05-06 13:14, Hiroaki Nakamura wrote:

> Hi all,
> 
> I was trying lxc on Ubuntu 16.04 LTS and found out that
> lxc stop does not stop a CentOS 7 container.
> 
> I ran the following commands.
> 
> lxc image copy images:/centos/7/amd64 local: --alias=cent7
> lxc launch cent7 cent01
> lxc stop cent01
> ^ This does not stop the cent01 container even after one minute,
> so I pressed Control-C to kill this command.
> 
> I found a workaround at
> https://lists.linuxcontainers.org/pipermail/lxc-users/2014-February/006304.html 
> [1]
> 
> Here is a command to fix.
> lxc exec cent01 -- sh -c 'ln -s /usr/lib/systemd/system/halt.target
> /etc/systemd/system/sigpwr.target && systemctl daemon-reload'
> 
> After this fix, the container is stopped immediately with
> lxc stop cent01
> 
> I would like to this fix to be included in the original image.
> How can I contact the maintainers of container images?
> 
> Here are versions of lxc and CentOS 7 image.
> 
> $ lxc version
> 2.0.0
> 
> $ lxc image list cent
> +-------+--------------+--------+-----------------------------------+--------+---------+-----------------------------+
> | ALIAS | FINGERPRINT | PUBLIC | DESCRIPTION |
> ARCH | SIZE | UPLOAD DATE |
> +-------+--------------+--------+-----------------------------------+--------+---------+-----------------------------+
> | cent7 | a027d59858d6 | no | Centos 7 (amd64) (20160506_02:16) |
> x86_64 | 62.88MB | May 6, 2016 at 9:55am (UTC) |
> +-------+--------------+--------+-----------------------------------+--------+---------+-----------------------------+
> 
> Regards,
> Hiroaki
> _______________________________________________
> lxc-users mailing list
> lxc-users at lists.linuxcontainers.org
> http://lists.linuxcontainers.org/listinfo/lxc-users [2]



Links:
------
[1] 
https://lists.linuxcontainers.org/pipermail/lxc-users/2014-February/006304.html
[2] http://lists.linuxcontainers.org/listinfo/lxc-users
[3] https://github.com/lxc/lxd/issues/1570