Re: systemd-container: Trying to use a bookworm chroot with a buster host fails / Failed to create /init.scope control group

[Michael Biebl <mbiebl@xxxxxxxxx>]

Host system: Debian bookworm, systemd v241 (default-hierarchy=hybrid)

container (systemd compiled with default-hierarchy=unified)

v247: works
v248: works
v249: works
v250: fails, with the aforementioned error

So something apparently regressed between v249 and v250.

Am Mo., 17. Okt. 2022 um 01:38 Uhr schrieb Michael Biebl <mbiebl@xxxxxxxxx>:
>
> What are you Missing?
>
> Lennart Poettering <lennart@xxxxxxxxxxxxxx> schrieb am So., 16. Okt. 2022, 23:45:
>>
>> On So, 16.10.22 21:02, Michael Biebl (mbiebl@xxxxxxxxx) wrote:
>>
>> > Am So., 16. Okt. 2022 um 16:23 Uhr schrieb Lennart Poettering
>> > <lennart@xxxxxxxxxxxxxx>:
>> > >
>> > > On Fr, 14.10.22 22:57, Michael Biebl (mbiebl@xxxxxxxxx) wrote:
>> > >
>> > > > Hi,
>> > > >
>> > > > since the issue came up on the Debian bug tracker at
>> > > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1019147 , I figured
>> > > > I ask here:
>> > >
>> > > Do you have any MACs in effect?
>> >
>> > No SELinux or Apparmor active
>> >
>> > > Does the host use cgroupsv2 or cgroupsv2 or hybrid? What is mounted to
>> > > /sys/fs/cgroup and below?
>> >
>> > The host system uses systemd v241, compiled with default-hierarchy=hybrid
>> >
>> >
>> > > Was the container configured to use either?
>> >
>> > The container uses systemd v251 with default-hierarchy=unified
>> >
>> > Trying to boot this container v251 container via systemd-nspawn leads to
>> >
>> >     Welcome to Debian GNU/Linux bookworm/sid!
>> >
>> >     Hostname set to <debian>.
>> >     Failed to create /init.scope control group: Operation not permitted
>> >     Failed to allocate manager object: Operation not permitted
>> >     [!!!!!!] Failed to allocate manager object.
>> >     Exiting PID 1...
>> >     Container test-bookworm failed with error code 255.
>>
>> Please answer the questions I asked, otherwise not actionable...
>>
>> Lennart
>>
>> --
>> Lennart Poettering, Berlin