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

[Pavol Cupka]

Oh, and yes it was working (booting) fine with openrc before the change to
s6.

On Sun, Dec 29, 2019 at 8:08 AM Pavol Cupka <pavol.cupka at gmail.com> wrote:

> 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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