Move cgroup v2 out of experimental #41916
Description
Fedora has been already using cgroup v2 by default since Fedora 31.
In addition, Debian 11 and Ubuntu 21.10 are highly like to use cgroup v2 by default as well.
- Debian: https://lists.debian.org/debian-user/2020/12/msg00731.html
- Ubuntu: https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1850667 (See comment
#16on 2021-01-18)
So we should move cgroup v2 out of experimental in 1Q or 2Q of this year.
Tasks:
- Update runc to rc93, which moves its cgroup v2 support out of experimental: rc93 discussion (Feb 2021?) opencontainers/runc#2659 : Bump runc binary v1.0.0-rc93 #41994
- cgroup v2 CI Setup cgroups v2 CI #41218