Public bug reported:
I'm attempting to demo/use LXC backend for nova in EC2, all on a single system.
When doing so, I get the trace below. It appears that we can get further by
doing:
$ sudo brctl addbr br0
$ sudo ifconfig br0 up
$ sudo vconfig add br0 100
However, doing so just gets us further along to fail at bug 812553.
Trace from nova-compute.log:
2011-07-18 20:31:20,962 DEBUG nova.utils [-] Running cmd (subprocess): sudo
vconfig add None 100 from (pid=20109) execute
/usr/lib/pymodules/python2.7/nova/utils.py:143
2011-07-18 20:31:20,994 DEBUG nova.utils [-] Result was 3 from (pid=20109)
execute /usr/lib/pymodules/python2.7/nova/utils.py:161
2011-07-18 20:31:20,995 ERROR nova.exception [-] Uncaught exception
(nova.exception): TRACE: Traceback (most recent call last):
(nova.exception): TRACE: File
"/usr/lib/pymodules/python2.7/nova/exception.py", line 87, in _wrap
(nova.exception): TRACE: return f(*args, **kw)
(nova.exception): TRACE: File
"/usr/lib/pymodules/python2.7/nova/compute/manager.py", line 334, in
run_instance
(nova.exception): TRACE: self._run_instance(context, instance_id, **kwargs)
(nova.exception): TRACE: File
"/usr/lib/pymodules/python2.7/nova/compute/manager.py", line 297, in
_run_instance
(nova.exception): TRACE: instance_id)
(nova.exception): TRACE: File
"/usr/lib/pymodules/python2.7/nova/network/manager.py", line 827, in
setup_compute_network
(nova.exception): TRACE: network['bridge_interface'])
(nova.exception): TRACE: File
"/usr/lib/pymodules/python2.7/nova/network/linux_net.py", line 456, in
ensure_vlan_bridge
(nova.exception): TRACE: interface = ensure_vlan(vlan_num, bridge_interface)
(nova.exception): TRACE: File "/usr/lib/pymodules/python2.7/nova/utils.py",
line 613, in inner
(nova.exception): TRACE: retval = f(*args, **kwargs)
(nova.exception): TRACE: File
"/usr/lib/pymodules/python2.7/nova/network/linux_net.py", line 467, in
ensure_vlan
(nova.exception): TRACE: _execute('sudo', 'vconfig', 'add',
bridge_interface, vlan_num)
(nova.exception): TRACE: File
"/usr/lib/pymodules/python2.7/nova/network/linux_net.py", line 689, in _execute
(nova.exception): TRACE: return utils.execute(*cmd, **kwargs)
(nova.exception): TRACE: File "/usr/lib/pymodules/python2.7/nova/utils.py",
line 169, in execute
(nova.exception): TRACE: cmd=' '.join(cmd))
(nova.exception): TRACE: ProcessExecutionError: Unexpected error while running
command.
(nova.exception): TRACE: Command: sudo vconfig add None 100
(nova.exception): TRACE: Exit code: 3
(nova.exception): TRACE: Stdout: ''
(nova.exception): TRACE: Stderr: 'ERROR: trying to add VLAN #100 to IF -:None:-
error: No such device\n'
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: nova-network 2011.3~d3~20110708.1251-0ubuntu1
ProcVersionSignature: User Name 3.0.0-5.6-virtual 3.0.0-rc7
Uname: Linux 3.0.0-5-virtual x86_64
Architecture: amd64
Date: Mon Jul 18 20:45:23 2011
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: nova
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: nova (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric
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https://bugs.launchpad.net/bugs/812548
Title:
bridge not set up correctly with LXC and all-in-one system
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