(oops accidentally sent to -owners) Hi, i'm trying to start a LXC guest on a F14 computer .. followed the examples in http://libvirt.org/drvlxc.html, but got stuck when starting it .. 03:07:23.706: debug : virCgroupNew:542 : New group / 03:07:23.707: debug : lxcControllerRun:563 : Setting up private /dev/pts 03:07:23.711: debug : lxcControllerRun:589 : Mouting 'devpts' on /var/lxc/f14/dev/pts 03:07:23.711: debug : lxcControllerRun:604 : Opening tty on private /var/lxc/f14/dev/pts/ptmx 03:07:23.714: debug : lxcContainerAvailable:897 : clone call returned Invalid argument, container support is not enabled 03:07:23.714: debug : lxcContainerStart:848 : Enable network namespaces 03:07:23.718: debug : lxcContainerStart:854 : clone() completed, new container PID is -1 03:07:23.718: error : lxcContainerStart:858 : Failed to run clone container: Invalid argument 03:07:23.718: debug : vethDelete:141 : veth: veth1 03:07:23.718: debug : virRunWithHook:820 : ip link del veth1 LXC config: <domain type='lxc'> <name>f14</name> <uuid>2dcd3cac-47e6-2915-554a-9713edf6ffd1</uuid> <memory>256000</memory> <currentMemory>256000</currentMemory> <vcpu>1</vcpu> <os> <type arch='x86_64'>exe</type> <init>/sbin/init</init> </os> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>destroy</on_crash> <devices> <emulator>/usr/libexec/libvirt_lxc</emulator> <filesystem type='mount'> <source dir='/var/lxc/f14'/> <target dir='/'/> </filesystem> <interface type='network'> <mac address='52:54:00:b0:de:18'/> <source network='default'/> </interface> <console type='pty'> <target type='serial' port='0'/> </console> </devices> </domain> I dont know what the invalid arguments are... 03:07:23.718: error : lxcContainerStart:858 : Failed to run clone container: Invalid argument thanks -- Mohd Izhar Firdaus Bin Ismail / KageSenshi Inigo Consulting (FOSS/Plone Development, Training & Services) http://www.inigo-tech.com Fedora Malaysia Contributor & Ambassador http://blog.kagesenshi.org 92C2 B295 B40B B3DC 6866 5011 5BD2 584A 8A5D 7331