utils: raise warning only on cgroupv2
if it is not running on cgroup v2, print only a debug message since
rootless users cannot create the cgroup.
commit introduced the regression.
[NO TESTS NEEDED]
@@ -12,6 +12,7 @@ import (
"sync"
"github.com/containers/podman/v3/libpod/define"
+ "github.com/containers/podman/v3/pkg/cgroups"
"github.com/containers/storage/pkg/archive"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
@@ -190,7 +191,11 @@ func moveProcessToScope(pidPath, slice, scope string) error {
func MovePauseProcessToScope(pausePidPath string) {
err := moveProcessToScope(pausePidPath, "user.slice", "podman-pause.scope")
if err != nil {
- if RunsOnSystemd() {
+ unified, err := cgroups.IsCgroup2UnifiedMode()
+ if err != nil {
+ logrus.Warnf("Failed to detect if running with cgroup unified: %v", err)
+ }
+ if RunsOnSystemd() && unified {
logrus.Warnf("Failed to add pause process to systemd sandbox cgroup: %v", err)
} else {
logrus.Debugf("Failed to add pause process to systemd sandbox cgroup: %v", err)
