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[Trinath Somanchi <trinath.somanchi@xxxxxxxxx>]

Hi-

When I launch an VM instance, I'm getting this error while spawning.

2012-06-20 16:57:21 ERROR nova.compute.manager
[req-2266a451-48d4-432a-aca2-54b09873036c ddd1015a21f441fd9dc5fe532fff09f4
3086217db56c4bdba27a6571fd424642] [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031] Instance failed to spawn
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031] Traceback (most recent call last):
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 592, in
_spawn
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]
self._legacy_nw_info(network_info), block_device_info)
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]   File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]     return f(*args, **kw)
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]   File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
922, in spawn
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]     self._create_new_domain(xml)
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]   File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
1575, in _create_new_domain
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]
domain.createWithFlags(launch_flags)
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]   File
"/usr/lib/python2.7/dist-packages/libvirt.py", line 581, in createWithFlags
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]     if ret == -1: raise libvirtError
('virDomainCreateWithFlags() failed', dom=self)
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031] libvirtError: internal error Process
exited while reading console log output: char device redirected to
/dev/pts/11
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031] kvm: -netdev
tap,ifname=tap3eb413de-ac,script=,id=hostnet0: could not open /dev/net/tun:
Operation not permitted
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031] kvm: -netdev
tap,ifname=tap3eb413de-ac,script=,id=hostnet0: Device 'tap' could not be
initialized
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]
2012-06-20 16:57:21 TRACE nova.compute.manager [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031]
2012-06-20 16:57:21 DEBUG nova.compute.manager
[req-2266a451-48d4-432a-aca2-54b09873036c ddd1015a21f441fd9dc5fe532fff09f4
3086217db56c4bdba27a6571fd424642] [instance:
b104ae3d-0263-41d9-b0e8-80b48746f031] Deallocating network for instance
from (pid=11561) _deallocate_network
/usr/lib/python2.7/dist-packages/nova/compute/manager.py:616
2012-06-20 16:57:21 DEBUG nova.rpc.amqp
[req-2266a451-48d4-432a-aca2-54b09873036c ddd1015a21f441fd9dc5fe532fff09f4
3086217db56c4bdba27a6571fd424642] Making asynchronous cast on network...
from (pid=11561) cast /usr/lib/python2.7/dist-packages/nova/rpc/amqp.py:346
2012-06-20 16:57:21 ERROR nova.rpc.amqp
[req-2266a451-48d4-432a-aca2-54b09873036c ddd1015a21f441fd9dc5fe532fff09f4
3086217db56c4bdba27a6571fd424642] Exception during message handling
2012-06-20 16:57:21 TRACE nova.rpc.amqp Traceback (most recent call last):
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/rpc/amqp.py", line 252, in
_process_data
2012-06-20 16:57:21 TRACE nova.rpc.amqp     rval = node_func(context=ctxt,
**node_args)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
2012-06-20 16:57:21 TRACE nova.rpc.amqp     return f(*args, **kw)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 177, in
decorated_function
2012-06-20 16:57:21 TRACE nova.rpc.amqp     sys.exc_info())
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
2012-06-20 16:57:21 TRACE nova.rpc.amqp     self.gen.next()
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 171, in
decorated_function
2012-06-20 16:57:21 TRACE nova.rpc.amqp     return function(self, context,
instance_uuid, *args, **kwargs)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 651, in
run_instance
2012-06-20 16:57:21 TRACE nova.rpc.amqp     do_run_instance()
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/utils.py", line 945, in inner
2012-06-20 16:57:21 TRACE nova.rpc.amqp     retval = f(*args, **kwargs)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 650, in
do_run_instance
2012-06-20 16:57:21 TRACE nova.rpc.amqp     self._run_instance(context,
instance_uuid, **kwargs)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 451, in
_run_instance
2012-06-20 16:57:21 TRACE nova.rpc.amqp
self._set_instance_error_state(context, instance_uuid)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
2012-06-20 16:57:21 TRACE nova.rpc.amqp     self.gen.next()
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 432, in
_run_instance
2012-06-20 16:57:21 TRACE nova.rpc.amqp
self._deallocate_network(context, instance)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
2012-06-20 16:57:21 TRACE nova.rpc.amqp     self.gen.next()
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 429, in
_run_instance
2012-06-20 16:57:21 TRACE nova.rpc.amqp     injected_files, admin_password)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 592, in
_spawn
2012-06-20 16:57:21 TRACE nova.rpc.amqp
self._legacy_nw_info(network_info), block_device_info)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
2012-06-20 16:57:21 TRACE nova.rpc.amqp     return f(*args, **kw)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
922, in spawn
2012-06-20 16:57:21 TRACE nova.rpc.amqp     self._create_new_domain(xml)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
1575, in _create_new_domain
2012-06-20 16:57:21 TRACE nova.rpc.amqp
domain.createWithFlags(launch_flags)
2012-06-20 16:57:21 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/libvirt.py", line 581, in createWithFlags
2012-06-20 16:57:21 TRACE nova.rpc.amqp     if ret == -1: raise
libvirtError ('virDomainCreateWithFlags() failed', dom=self)
2012-06-20 16:57:21 TRACE nova.rpc.amqp libvirtError: internal error
Process exited while reading console log output: char device redirected to
/dev/pts/11
2012-06-20 16:57:21 TRACE nova.rpc.amqp kvm: -netdev
tap,ifname=tap3eb413de-ac,script=,id=hostnet0: could not open /dev/net/tun:
Operation not permitted
2012-06-20 16:57:21 TRACE nova.rpc.amqp kvm: -netdev
tap,ifname=tap3eb413de-ac,script=,id=hostnet0: Device 'tap' could not be
initialized
2012-06-20 16:57:21 TRACE nova.rpc.amqp
2012-06-20 16:57:21 TRACE nova.rpc.amqp


Kindly help me resolve this error.




-- 
Regards,
----------------------------------------------
Trinath Somanchi,
+91 9866 235 130