On Mon, 7 Aug 2023 at 17:26, Lennart Poettering <lennart@xxxxxxxxxxxxxx> wrote: > > On Do, 20.07.23 01:59, Dimitri John Ledkov (dimitri.ledkov@xxxxxxxxxxxxx) wrote: > > > Some deployments that switch back their modern v2 host to hybrid or v1, are > > the ones that need to run old workloads that contain old systemd. Said old > > systemd only has experimental incomplete v2 support that doesn't work with > > v2-only (the one before current stable magick mount value). > > What's stopping you from mounting a private "named" cgroup v1 > hierarchy to such containers (i.e. no controllers). systemd will then > use that when taking over and not bother with mounting anything on its > own, such as a cgroupv2 tree. > > that should be enough to make old systemd happy. > Let me see if I can create all the right config files to attempt that. I have some other constraints which may prevent this, but hopefully i can provide sufficient workarounds to get this over the barrier. -- okurrr, Dimitri