[Openstack] FW: Icehouse : vm spawn failed

m.channappa.negalur at accenture.com m.channappa.negalur at accenture.com
Wed Jul 9 12:53:50 UTC 2014


Hi Felix,

Below is my setup
1. compute node : kvm, neutron plugins, nova-compute ( 3 ethernet card as I mentioned earlier)
2. Neutron Node:  nova services, neutron services, neutron-server ( 3 ethernet card as I mentioned earlier)
3. keystone node : remaining services 

As per the update given by you I added vif_plugging_is_fatal: true" in my nova.conf of compute node and neutron node .
But I got below error
==nova-compute.log ======================
2014-07-09 18:15:23.222 5632 WARNING nova.virt.libvirt.driver [req-2cfbe49e-99bb-4e0e-8d94-a0265f8fb1c6 b9520b3afe3b44ddb438392b132d8836 6d5937db638a4ef3ab4b40a4515ec557] Timeout waiting for vif plugging callback for instance 4f8ff29f-06a8-4918-b416-9d6551c4d15e
2014-07-09 18:15:24.064 5632 INFO nova.virt.libvirt.driver [req-2cfbe49e-99bb-4e0e-8d94-a0265f8fb1c6 b9520b3afe3b44ddb438392b132d8836 6d5937db638a4ef3ab4b40a4515ec557] [instance: 4f8ff29f-06a8-4918-b416-9d6551c4d15e] Deleting instance files /var/lib/nova/instances/4f8ff29f-06a8-4918-b416-9d6551c4d15e
2014-07-09 18:15:24.065 5632 INFO nova.virt.libvirt.driver [req-2cfbe49e-99bb-4e0e-8d94-a0265f8fb1c6 b9520b3afe3b44ddb438392b132d8836 6d5937db638a4ef3ab4b40a4515ec557] [instance: 4f8ff29f-06a8-4918-b416-9d6551c4d15e] Deletion of /var/lib/nova/instances/4f8ff29f-06a8-4918-b416-9d6551c4d15e complete
2014-07-09 18:15:24.114 5632 ERROR nova.compute.manager [req-2cfbe49e-99bb-4e0e-8d94-a0265f8fb1c6 b9520b3afe3b44ddb438392b132d8836 6d5937db638a4ef3ab4b40a4515ec557] [instance: 4f8ff29f-06a8-4918-b416-9d6551c4d15e] Instance failed to spawn
2014-07-09 18:15:24.114 5632 TRACE nova.compute.manager [instance: 4f8ff29f-06a8-4918-b416-9d6551c4d15e] Traceback (most recent call last):
2014-07-09 18:15:24.114 5632 TRACE nova.compute.manager [instance: 4f8ff29f-06a8-4918-b416-9d6551c4d15e]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1720, in _spawn
2014-07-09 18:15:24.114 5632 TRACE nova.compute.manager [instance: 4f8ff29f-06a8-4918-b416-9d6551c4d15e]     block_device_info)
2014-07-09 18:15:24.114 5632 TRACE nova.compute.manager [instance: 4f8ff29f-06a8-4918-b416-9d6551c4d15e]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2253, in spawn
2014-07-09 18:15:24.114 5632 TRACE nova.compute.manager [instance: 4f8ff29f-06a8-4918-b416-9d6551c4d15e]     block_device_info)
2014-07-09 18:15:24.114 5632 TRACE nova.compute.manager [instance: 4f8ff29f-06a8-4918-b416-9d6551c4d15e]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3663, in _create_domain_and_network
2014-07-09 18:15:24.114 5632 TRACE nova.compute.manager [instance: 4f8ff29f-06a8-4918-b416-9d6551c4d15e]     raise exception.VirtualInterfaceCreateException()
2014-07-09 18:15:24.114 5632 TRACE nova.compute.manager [instance: 4f8ff29f-06a8-4918-b416-9d6551c4d15e] VirtualInterfaceCreateException: Virtual Interface creation failed

====neutron-server.log================

2014-07-09 18:15:16.015 1289 ERROR neutron.notifiers.nova [-] Failed to notify nova on events: [{'status': 'completed', 'tag': u'0d91fed9-cea9-4e69-b080-b959791d9682', 'name': 'network-vif-plugged', 'server_uuid': u'4f8ff29f-06a8-4918-b416-9d6551c4d15e'}]
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova Traceback (most recent call last):
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova   File "/usr/lib/python2.7/dist-packages/neutron/notifiers/nova.py", line 187, in send_events
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova     batched_events)
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova   File "/usr/lib/python2.7/dist-packages/novaclient/v1_1/contrib/server_external_events.py", line 39, in create
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova     return_raw=True)
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova   File "/usr/lib/python2.7/dist-packages/novaclient/base.py", line 152, in _create
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova     _resp, body = self.api.client.post(url, body=body)
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova   File "/usr/lib/python2.7/dist-packages/novaclient/client.py", line 286, in post
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova     return self._cs_request(url, 'POST', **kwargs)
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova   File "/usr/lib/python2.7/dist-packages/novaclient/client.py", line 249, in _cs_request
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova     self.authenticate()
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova   File "/usr/lib/python2.7/dist-packages/novaclient/client.py", line 382, in authenticate
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova     auth_url = self._v2_auth(auth_url)
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova   File "/usr/lib/python2.7/dist-packages/novaclient/client.py", line 469, in _v2_auth
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova     return self._authenticate(url, body)
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova   File "/usr/lib/python2.7/dist-packages/novaclient/client.py", line 482, in _authenticate
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova     **kwargs)
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova   File "/usr/lib/python2.7/dist-packages/novaclient/client.py", line 242, in _time_request
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova     resp, body = self.request(url, method, **kwargs)
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova   File "/usr/lib/python2.7/dist-packages/novaclient/client.py", line 236, in request
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova     raise exceptions.from_response(resp, body, url, method)
2014-07-09 18:15:16.015 1289 TRACE neutron.notifiers.nova Unauthorized: The request you have made requires authentication. (HTTP 401)

Let me know if I need to add anything ekse in configuration files . 

Regards,
Malleshi CN

-----Original Message-----
From: Channappa Negalur, M. 
Sent: Wednesday, July 09, 2014 4:24 PM
To: 'Felix Lee'
Subject: RE: [Openstack] Icehouse : vm spawn failed

Thanks Felix,

Let me check with value : "vif_plugging_is_fatal: true"

Regards,
Malleshi CN

-----Original Message-----
From: Felix Lee [mailto:zaknafein.lee at gmail.com]
Sent: Wednesday, July 09, 2014 3:21 PM
To: Channappa Negalur, M.; openstack at lists.openstack.org
Subject: Re: [Openstack] Icehouse : vm spawn failed

Hi, Malleshi,
I am not sure if you also use neutron with openvswitch plugin, well, we once met similar problem on our testbed before, but it's because our Neutron network node was also compute node, so, when virtual machine was launched to neutron network node, after it injected vif into openvswitch configuration, somehow it will cause both hypervisor and VM network to be unstable(I didn't look into neutron code, presumingly, there is conflict in openvswitch datapath configuration between VM and hypervisor. ), I am not sure if that is also your case, but if you put neutron network node and nova compute together, you might want to separate neutron network from nova compute.

BTW, if you configure notify_nova_on_port_status_changes and notify_nova_on_port_data_changes properly in nova.conf, you don't need
"vif_plugging_is_fatal: true"



Best regards,
Felix Lee ~

On 2014年07月09日 09:34, m.channappa.negalur at accenture.com wrote:
> Hello Felix,
>
> 1. Which network service do you use?
> Ans: Neutron
>
> 2. do you have separate network interfaces for VM instances and hypervisor?
>   Ans: Yes I do have 3 interfaces on compute node and network node .
> 1.eth0 : Management network
> 2.eth1: external network
> 3.eth2:  for vm communication
>
>
> Hypervisor used in nova-compute is KVM
>
> Regards,
> Malleshi CN
>
> -----Original Message-----
> From: Felix Lee [mailto:zaknafein.lee at gmail.com]
> Sent: Wednesday, July 09, 2014 12:56 PM
> To: Channappa Negalur, M.; openstack at lists.openstack.org
> Subject: Re: [Openstack] Icehouse : vm spawn failed
>
> Hi, Malleshi,
> Which network service do you use?
> Neutron or Nova network?
> And, do you have separate network interfaces for VM instances and hypervisor?
>
>
> Best regards,
> Felix Lee ~
>
> On 2014撟 07  07   13:48, m.channappa.negalur at accenture.com wrote:
>> Hello all,
>>
>> I am installing icehouse setup on 3 node. My entire set up is on 
>> virtual environment.
>>
>> ======Nova-compute.log ================
>>
>> *WARNING nova.virt.libvirt.driver [-] Periodic task is updating the 
>> host stat, it is trying to get disk instance-0000000b, but disk file 
>> was removed by concurrent operations such as resize*
>>
>> **
>>
>> *WARNING nova.virt.disk.vfs.guestfs
>> [req-727a676a-ca15-4cb5-8fc4-73dbf307a14f
>> 4f783fbf23304d1682e820740b99f954 7e2d68b079be44048bedd223b3683f19] 
>> Failed to close augeas aug_close: call launch before using this 
>> function*
>>
>> *(in guestfish, don't forget to use the 'run' command)*
>>
>> 2014-07-07 17:02:23.852 2916 WARNING nova.virt.libvirt.driver 
>> [req-df5b6fb1-5304-4f65-bfcf-fbff0ec7298f
>> 4f783fbf23304d1682e820740b99f954 7e2d68b079be44048bedd223b3683f19] 
>> *Timeout waiting for vif plugging callback for instance*
>> 75515a86-ba63-4c95-8065-1add9da1f314
>>
>> 2014-07-07 17:02:24.693 2916 INFO nova.virt.libvirt.driver 
>> [req-df5b6fb1-5304-4f65-bfcf-fbff0ec7298f
>> 4f783fbf23304d1682e820740b99f954 7e2d68b079be44048bedd223b3683f19]
>> [instance: 75515a86-ba63-4c95-8065-1add9da1f314] Deleting instance 
>> files
>> /var/lib/nova/instances/75515a86-ba63-4c95-8065-1add9da1f314
>>
>> 2014-07-07 17:02:24.693 2916 INFO nova.virt.libvirt.driver 
>> [req-df5b6fb1-5304-4f65-bfcf-fbff0ec7298f
>> 4f783fbf23304d1682e820740b99f954 7e2d68b079be44048bedd223b3683f19]
>> [instance: 75515a86-ba63-4c95-8065-1add9da1f314] Deletion of
>> /var/lib/nova/instances/75515a86-ba63-4c95-8065-1add9da1f314 complete
>>
>> 2014-07-07 17:02:24.771 2916 ERROR nova.compute.manager 
>> [req-df5b6fb1-5304-4f65-bfcf-fbff0ec7298f
>> 4f783fbf23304d1682e820740b99f954 7e2d68b079be44048bedd223b3683f19]
>> [instance: 75515a86-ba63-4c95-8065-1add9da1f314] *Instance failed to 
>> spawn*
>>
>> 2014-07-07 17:02:24.771 2916 TRACE nova.compute.manager [instance:
>> 75515a86-ba63-4c95-8065-1add9da1f314] Traceback (most recent call last):
>>
>> 2014-07-07 17:02:24.771 2916 TRACE nova.compute.manager [instance:
>> 75515a86-ba63-4c95-8065-1add9da1f314]   File
>> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 
>> 1720, in _spawn
>>
>> 2014-07-07 17:02:24.771 2916 TRACE nova.compute.manager [instance:
>> 75515a86-ba63-4c95-8065-1add9da1f314]     block_device_info)
>>
>> 2014-07-07 17:02:24.771 2916 TRACE nova.compute.manager [instance:
>> 75515a86-ba63-4c95-8065-1add9da1f314]   File
>> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 
>> 2253, in spawn
>>
>> 2014-07-07 17:02:24.771 2916 TRACE nova.compute.manager [instance:
>> 75515a86-ba63-4c95-8065-1add9da1f314]     block_device_info)
>>
>> 2014-07-07 17:02:24.771 2916 TRACE nova.compute.manager [instance:
>> 75515a86-ba63-4c95-8065-1add9da1f314]   File
>> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 
>> 3663, in _create_domain_and_network
>>
>> 2014-07-07 17:02:24.771 2916 TRACE nova.compute.manager [instance:
>> 75515a86-ba63-4c95-8065-1add9da1f314]     raise
>> exception.VirtualInterfaceCreateException()
>>
>> 2014-07-07 17:02:24.771 2916 TRACE nova.compute.manager [instance:
>> 75515a86-ba63-4c95-8065-1add9da1f314] VirtualInterfaceCreateException:
>> Virtual Interface creation failed
>>
>> I got the below error from horizon
>>
>> *virtual interface creation failed *.
>>
>> As per the link
>> https://ask.openstack.org/en/question/26985/icehouse-virtual-interfac
>> e-creation-failed/
>>
>> If I add below entries in my nova.conf , I am able to launch a 
>> instance but I ll be disconnected from my host machine and I will not be able to
>> connect via ssh aslo    again I need to reboot my host  machine to
>> connect ..
>>
>> *vif_plugging_is_fatal: false *
>>
>> *vif_plugging_timeout: 0*
>>
>> is there method to fix this ..? Please let me know ,
>>
>> Regards,
>>
>> Malleshi CN
>>
>>
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>
> --
> Felix H.T Lee                           Academia Sinica Grid & Cloud.
> Tel: +886-2-27898308
> Office: Room P111, Institute of Physics, 128 Academia Road, Section 2, 
> Nankang, Taipei 115, Taiwan
>
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-- 
Felix H.T Lee                           Academia Sinica Grid & Cloud.
Tel: +886-2-27898308
Office: Room P111, Institute of Physics, 128 Academia Road, Section 2, Nankang, Taipei 115, Taiwan


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