Hi, > libvir: QEMU Driver error : Requested operation is not valid: cgroup CPUACCT > controller is not mounted You need to install/configure Cgroups on your system : http://en.wikipedia.org/wiki/Cgroups https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Resource_Management_Guide/ch01.html Olivier _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users