On 01/15/2014 09:05 AM, Karoline Haus wrote: > I have trouble starting a VM using virsh start $vm. I do this as root, because > as non-root user it did not work at all (especially it failed attaching to the > networks). Non-root virsh connects to qemu:///session by default, which spawns an unprivileged daemon instead of using the system one, see http://libvirt.org/uri.html#URI_qemu > So, when I run the command (with sudo), I get the following error > in libvirtd.log: > > 2014-01-15 07:51:00.423+0000: 16158: warning : qemuDomainObjTaint:1573 : > Domain id=5 name='vader' uuid=f5b8c05b-9c7a-3211-49b9-2bd635f7e2aa is tainted: > high-privileges > 2014-01-15 07:51:00.428+0000: 16158: error : virDBusCallMethod:1173 : Launch > helper exited with unknown return code 1 > > At the same time I get an error in /var/log/messages which seems related: > Jan 15 07:51:00 dbus[15845]: [system] Activating service > name='org.freedesktop.machine1' (using servicehelper) > Jan 15 07:51:00 dbus[15845]: [system] Activated service > 'org.freedesktop.machine1' failed: Launch helper exited with unknown return code 1 > It seems this is the error that happens when systemd is not the init [1]. Libvirt only tries to use systemd for creating cgroups for the VM if the 'org.freedesktop.machine1' service is present, otherwise it falls back to the manual way of creating them. Jan [1] https://bugs.freedesktop.org/show_bug.cgi?id=69962
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