Control: tags -1 + moreinfo On Mon, 23 Jul 2018 10:11:15 +0800 Zhu Yijun <love...@gmail.com> wrote: > Package: systemd > Version: 232-25+deb9u4 > > > Description of problem: > After a 'systemctl daemon-reload' followed by any service 'systemctl > restart xxx' the blkio, cpu,cpuacct、memory cgroup path changed. > > Steps to Reproduce: > 1. Create and launch a basic VM > 2. Check that the cgroups are mapped properly for example with 'virsh > memtune VM_NAME' > 3. Execute 'systemctl daemon-reload' > 4. Restart _any_ service on your machine, such as : systemctl restart libvirtd > > before: > 10:perf_event:/machine/qemu-1462-zyjtest.libvirt-qemu > 9:blkio:/machine/qemu-1462-zyjtest.libvirt-qemu > 8:cpu,cpuacct:/machine/qemu-1462-zyjtest.libvirt-qemu/emulator > 7:memory:/machine/qemu-1462-zyjtest.libvirt-qemu > 6:freezer:/machine/qemu-1462-zyjtest.libvirt-qemu > 5:pids:/system.slice/libvirtd.service > 4:devices:/machine/qemu-1462-zyjtest.libvirt-qemu > 3:cpuset:/machine/qemu-1462-zyjtest.libvirt-qemu/emulator > 2:net_cls,net_prio:/machine/qemu-1462-zyjtest.libvirt-qemu > 1:name=systemd:/system.slice/libvirtd.service > > after results: > 10:perf_event:/machine/qemu-1462-zyjtest.libvirt-qemu > 9:blkio:/ > 8:cpu,cpuacct:/ > 7:memory:/ > 6:freezer:/machine/qemu-1462-zyjtest.libvirt-qemu > 5:pids:/system.slice/libvirtd.service > 4:devices:/system.slice/libvirtd.service > 3:cpuset:/machine/qemu-1462-zyjtest.libvirt-qemu/emulator > 2:net_cls,net_prio:/machine/qemu-1462-zyjtest.libvirt-qemu > 1:name=systemd:/system.slice/libvirtd.servi > > # virsh memtune zyj_test > error: Unable to get memory parameters > error: Requested operation is not valid: cgroup memory controller is not > mounted > > I found a similar description at : > https://bugzilla.redhat.com/show_bug.cgi?id=1140215 > > And I had checked this systemd version had merged the patches. > core: introduce new Delegate=yes/no property controlling creation of > cgroup subhierarchies > core: don't migrate PIDs for units that may contain subcgroups, do > this only for leaf units > > However, this issue is still exist.
Is the Delegate= option set for those cgroup hierarchies created by libvirt? -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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