On Sun, Apr 07, 2019 at 06:46:19PM +0900, ITeng A wrote: > Dear all > > Does the current version of libvirt support the new cgroup v2 ? > I am running KVM qemu VMs on Ubuntu with linux Kernel 4.18 with cgroup v1 > and I would like to use Cgroup v2 but we I mount cgroup v2 the libvirt > virtualization daemon fail to start with error message that it cant create > cgroup /system.slice/libvirtd.service no such file or directory. > Hi Asraa, Cgroups V2 is supported since libvirt 4.9.0 for cpu, cpuacct, io, memory controllers. In libvirt 5.2.0 we added support for cpuset with kernel 5.0. There is still no support for devices controller but that one is not mandatory to run KVM/QEMU VMs as there is a bug in kernel that leaks some resources. Pavel
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