Public bug reported:
Our installer attempts to load VM's within an lxc container. This worked
on trusty, however, with the latest releases from vivid and wily those
VM's are unable to start. This affects running juju-local within a
container as well.
We think it has something to do with cgmanager/cgproxy, however, we can
manually run and launch qemu just fine within the container. This could
potentially be an issue with libvirt attempt to set cgroup values for
the qemu processes.
The current workaround to get a VM to start within a vivid and wily
container running LXC 1.1.2+ is to disable cgroups in
/etc/libvirt/qemu.conf
I'm starting this bug and will ask Ryan Harper to provide a more in-
depth result of his debugging, but, wanted to have this on the radar.
Specs:
Host:
Vivid, kernel: 3.19.0-15-generic, lxc: 1.1.3+stable~20150815-0227-0ubuntu1~vivid
Container:
Vivid, kernel: 3.19.0-15-generic, lxc: 1.1.2-0ubuntu3.1, libvirt
1.2.12-0ubuntu14.1
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Affects: libvirt (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: libvirt (Ubuntu Wily)
Importance: Undecided
Status: New
** Tags: cloud-installer
** Also affects: libvirt (Ubuntu Wily)
Importance: Undecided
Status: New
** Also affects: libvirt (Ubuntu Vivid)
Importance: Undecided
Status: New
** Tags added: cloud-installer
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https://bugs.launchpad.net/bugs/1486296
Title:
Unable to start VMs under a lxc container
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