[lxc-users] s6/66 inside lxd unpriv. container

[Pavol Cupka]

Hi Serge,

I have used normal "lxc launch", then I made changes to the init system.
The container does come up with the init system when I disable one option
in /sbin/init file

s6 ~ # ps auxf
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root         8  0.0  0.2 218740  4052 ?        Ss   07:02   0:00 bash
root        10  0.0  0.1 217660  2528 ?        R+   07:02   0:00  \_ ps auxf
root         1  0.0  0.0   1044   780 ?        Ss   07:02   0:00 66-boot
root         6  0.0  0.0   1044    80 ?        Ss   07:02   0:00 66-boot
root         7  0.0  0.0   2756  1980 ?        Ss+  07:02   0:00 sulogin

s6 ~ # cat /sbin/init
#!/bin/execlineb -P
66-boot

When I add -c option to 66-boot (
https://framagit.org/Obarun/66/commit/b69e8c25c0d5f4313c3dd5b2f1d7995a67f3a022)
it throws this error about the memory.oom.group.

Also the container doesn't load all the services (when started without -c).

Thanks for any further pointers.
Pavol

On Sun, Dec 29, 2019 at 2:48 AM Serge E. Hallyn <serge at hallyn.com> wrote:

> How did you create the container?  This seems independent of the
> init system.  If you alter the rootfs to specify a different init,
> does it then come up?
>
> On Sat, Dec 28, 2019 at 10:28:15PM +0100, Pavol Cupka wrote:
> > Hi list,
> >
> > I am trying to start a container with s6 as the init system and
> supervisor.
> >
> > I am getting this error when trying to run inside unprivileged container:
> >
> > lxc s6 20191228211015.399 WARN     cgfsng -
> cgroups/cgfsng.c:chowmod:1525 -
> > No such file or directory - Failed to
> > chown(/sys/fs/cgroup/unified//lxc.payload/s6/memory.oom.group, 131072, 0)
> >
> > kernel 5.3.12
> > lxd-3.18
> > lxc-3.2.1
> >
> > Can anybody please point me in the right direction?
> >
> > Thank you in advance
> > Pavol
>
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> > lxc-users at lists.linuxcontainers.org
> > http://lists.linuxcontainers.org/listinfo/lxc-users
>
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