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[Vishvananda Ishaya <vishvananda@xxxxxxxxx>]

I'm pretty sure a whole disk image will fail with lxc. You need just the root filesystem.

You might have more luck with the unpacked version of:

http://uec-images.ubuntu.com/releases/precise/release/ubuntu-12.04-server-cloudimg-amd64.tar.gz

Vish

On Feb 21, 2013, at 8:34 AM, Chuan-Heng Hsiao <hsiao.chuanheng@xxxxxxxxx> wrote:

> I also have same problem when trying to get LXC running on Folsom.
> 
> Based on the following links:
> 
> http://docs.openstack.org/trunk/openstack-compute/admin/content/lxc.html
> https://wiki.openstack.org/wiki/LXC
> http://honeybutcher.de/2012/09/openstack-lxc/
> http://docs.openstack.org/trunk/openstack-compute/admin/content/adding-images.html
> 
> I did the following things:
> 
> 1. mkdir /cgroup
>    set /etc/fstab with none /cgroup cgroup
> cpuacct,memory,devices,cpu,freezer,blkio   0 0
>    and reboot.
> 2. glance image-create --location
> http://uec-images.ubuntu.com/releases/12.04/release/ubuntu-12.04-server-cloudimg-amd64-disk1.img
>    --is-public true --disk-format raw --container-format bare --name "Ubuntu"
> 3. glance image-update [img-uuid] --property hypervisor_type=lxc
> 
> and still no luck.
> 
> I got the following error message from nova-compute node (I am not
> quite sure whether there are other error msgs or not):
> 
> 2013-02-21 12:46:39 ERROR nova.virt.disk.api
> [req-74b2c194-fb8a-4db8-88b5-dcccf6ec0b97
> 392652962bc64e8fa7bc8882203e2e36 92895e4901154c899fcdd1a348bf5712]
> Failed to mount container filesystem '<nova.virt.disk.api._DiskImage
> object at 0x507ee10>' on
> '/var/lib/nova/instances/instance-00000009/rootfs':
> 2013-02-21 12:46:39 ERROR nova.compute.manager
> [req-74b2c194-fb8a-4db8-88b5-dcccf6ec0b97
> 392652962bc64e8fa7bc8882203e2e36 92895e4901154c899fcdd1a348bf5712]
> [instance: 870d1ee9-a4d3-4424-b41b-369f903553fd] Instance failed to
> spawn
> 2013-02-21 12:46:39 ERROR nova.compute.manager
> [req-74b2c194-fb8a-4db8-88b5-dcccf6ec0b97
> 392652962bc64e8fa7bc8882203e2e36 92895e4901154c899fcdd1a348bf5712]
> [instance: 870d1ee9-a4d3-4424-b41b-369f903553fd] Build error:
> ['Traceback (most recent call last):\n', '  File
> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 494,
> in _run_instance\n    injected_files, admin_password)\n', '  File
> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 747,
> in _spawn\n    block_device_info)\n', '  File
> "/usr/lib/python2.7/dist-packages/nova/exception.py", line 117, in
> wrapped\n    temp_level, payload)\n', '  File
> "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n
> self.gen.next()\n', '  File
> "/usr/lib/python2.7/dist-packages/nova/exception.py", line 92, in
> wrapped\n    return f(*args, **kw)\n', '  File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line
> 1090, in spawn\n    admin_pass=admin_password)\n', '  File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line
> 1469, in _create_image\n    use_cow=FLAGS.use_cow_images)\n', '  File
> "/usr/lib/python2.7/dist-packages/nova/virt/disk/api.py", line 326, in
> setup_container\n    raise exception.NovaException(img.errors)\n',
> 'NovaException: \n--\nFailed to mount filesystem: Unexpected error
> while running command.\nCommand: sudo nova-rootwrap
> /etc/nova/rootwrap.conf mount /dev/nbd15
> /var/lib/nova/instances/instance-00000009/rootfs\nExit code:
> 32\nStdout: \'\'\nStderr: \'mount: you must specify the filesystem
> type\\n\'\n--\nFailed to mount filesystem: Unexpected error while
> running command.\nCommand: sudo nova-rootwrap /etc/nova/rootwrap.conf
> guestmount --rw -a /var/lib/nova/instances/instance-00000009/disk -m
> /dev/sda /var/lib/nova/instances/instance-00000009/rootfs\nExit code:
> 1\nStdout: \'\'\nStderr: \'Traceback (most recent call last):\\n  File
> "/usr/bin/nova-rootwrap", line 89, in <module>\\n
> env=filtermatch.get_environment(userargs))\\n  File
> "/usr/lib/python2.7/subprocess.py", line 679, in __init__\\n
> errread, errwrite)\\n  File "/usr/lib/python2.7/subprocess.py", line
> 1249, in _execute_child\\n    raise child_exception\\nOSError: [Errno
> 2] No such file or directory\\n\'\n']
> 
> Sincerely,
> Hsiao
> 
> 
> On Fri, Feb 22, 2013 at 12:17 AM, Konstantin Ivanov <kaivanov@xxxxxxxxx> wrote:
>> 
>> Hello,
>> 
>> I am trying to get LXC running on Folsom with not much luck. Any suggestions on where I can find more documentation that can help me with this ?
>> 
>> Thanks a bunch!
>> 
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