Open Stack

hello
I have a problem when trying to get LXC running on CentOS6.4 + OpenStack
Grizzly .

I did flowing things
1. Change nova.conf ,"libvirt_type=lxc"
2.compile nbd and qemu-nbd
3.create image and update"  --property hypervisor_type=lxc"
4."mount none -t cgroup -o cpuacct,memory,devices,cpu,freezer,blkio
/cgroup",based on https://wiki.openstack.org/wiki/LXC

When I launch instance,something still wrong.I got the following error
message from nova-compute node (I am not quite sure whether there are other
error msgs or not):


2013-08-11 14:51:52.556 ERROR nova.compute.manager
[req-d04d50c4-e77f-4b84-af1d-912a3b3e1f00
70fdefb4da394e789641bb96e40cb649 20220930f9e74cfab0185eb8c7623fb7]
[instance: c0211c19-3385-4fac-928a-5b821746cd82] Instance failed to
spawn
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82] Traceback (most recent call
last):
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]   File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1103,
in _spawn
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]     block_device_info)
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]   File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line
1528, in spawn
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]     block_device_info)
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]   File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line
2444, in _create_domain_and_network
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]     domain =
self._create_domain(xml, instance=instance)
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]   File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line
2405, in _create_domain
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]
domain.createWithFlags(launch_flags)
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]   File
"/usr/lib/python2.6/site-packages/eventlet/tpool.py", line 187, in
doit
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]     result =
proxy_call(self._autowrap, f, *args, **kwargs)
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]   File
"/usr/lib/python2.6/site-packages/eventlet/tpool.py", line 147, in
proxy_call
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]     rv =
execute(f,*args,**kwargs)
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]   File
"/usr/lib/python2.6/site-packages/eventlet/tpool.py", line 76, in
tworker
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]     rv = meth(*args,**kwargs)
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]   File
"/usr/lib64/python2.6/site-packages/libvirt.py", line 708, in
createWithFlags
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82]     if ret == -1: raise
libvirtError ('virDomainCreateWithFlags() failed', dom=self)
2013-08-11 14:51:52.556 4640 TRACE nova.compute.manager [instance:
c0211c19-3385-4fac-928a-5b821746cd82] libvirtError: internal error The
'cpuacct', 'devices' & 'memory' cgroups controllers must be mounted

2013-08-11 14:52:40.804 ERROR nova.compute.manager
[req-d04d50c4-e77f-4b84-af1d-912a3b3e1f00
70fdefb4da394e789641bb96e40cb649 20220930f9e74cfab0185eb8c7623fb7]
[instance: c0211c19-3385-4fac-928a-5b821746cd82] Error: ['Traceback
(most recent call last):\n', '  File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 848,
in _run_instance\n    set_access_ip=set_access_ip)\n', '  File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1107,
in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'),
instance=instance)\n', '  File "/usr/lib64/python2.6/contextlib.py",
line 23, in __exit__\n    self.gen.next()\n', '  File
"/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1103,
in _spawn\n    block_device_info)\n', '  File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line
1528, in spawn\n    block_device_info)\n', '  File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line
2444, in _create_domain_and_network\n    domain =
self._create_domain(xml, instance=instance)\n', '  File
"/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line
2405, in _create_domain\n    domain.createWithFlags(launch_flags)\n',
'  File "/usr/lib/python2.6/site-packages/eventlet/tpool.py", line
187, in doit\n    result = proxy_call(self._autowrap, f, *args,
**kwargs)\n', '  File
"/usr/lib/python2.6/site-packages/eventlet/tpool.py", line 147, in
proxy_call\n    rv = execute(f,*args,**kwargs)\n', '  File
"/usr/lib/python2.6/site-packages/eventlet/tpool.py", line 76, in
tworker\n    rv = meth(*args,**kwargs)\n', '  File
"/usr/lib64/python2.6/site-packages/libvirt.py", line 708, in
createWithFlags\n    if ret == -1: raise libvirtError
(\'virDomainCreateWithFlags() failed\', dom=self)\n', "libvirtError:
internal error The 'cpuacct', 'devices' & 'memory' cgroups controllers
must be mounted\n"]

but I do mount subsys on /cgroup.Has anybody seen the same problem and any
solution?

Thanks,
Yoon
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