** Changed in: systemd (Ubuntu Impish)
Assignee: Dan Streetman (ddstreet) => (unassigned)
** Changed in: systemd (Ubuntu Impish)
Status: In Progress => New
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https://bugs.launchpad.net/bugs/1950508
Title:
unified cgroup incorrectly used in container on host with
legacy/hybrid cgroup
Status in systemd package in Ubuntu:
Fix Released
Status in systemd source package in Impish:
New
Status in systemd source package in Jammy:
Fix Released
Bug description:
[impact]
after systemd was changed to default to cgroupv2, any container
started on a host that still uses legacy or hybrid cgroup mounts will
result in a container that attempts to use unified cgroup but can't
due to all the controllers being used as v1 in the host kernel.
[test case]
TBD
[regression potential]
container, or vm or bare metal, that incorrectly uses cgroupv1, or
incorrect use of cgroupv2.
[scope]
needed only for i and later
f and earlier default to cgroupv1
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