[openstack-dev] nova compute error

abhishek jain ashujain9727 at gmail.com
Sun May 4 09:52:03 UTC 2014


Hi

I changed the ebtables version i.e ebtables_2.0.9.2-2ubuntu3_powerpc.deb
from version 2.0.10-4 and the error just reduced to one as below...


2014-05-03 11:26:42.052 12065 TRACE nova.openstack.common.rpc.amqp     if
ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed',
dom=self)
2014-05-03 11:26:42.052 12065 TRACE nova.openstack.common.rpc.amqp
libvirtError: Error while building firewall: Some rules could not be
created for interface tap9dafa3dd-7a: Failure to execute command '$EBT -t
nat -A libvirt-J-tap9dafa3dd-7a  -j J-tap9dafa3dd-7a-mac' : 'The kernel
doesn't support a certain ebtables extension, consider recompiling your
kernel or insmod the extension.'.
2014-05-03 11:26:42.052 12065 TRACE nova.openstack.common.rpc.amqp
2014-05-03 11:26:42.052 12065 TRACE nova.openstack.common.rpc.amqp
2014-05-03 11:26:45.374 12065 DEBUG nova.openstack.common.rpc.amqp [-]
Making synchronous call on conductor ... multicall /opt/stack/nova/nova/o

I'm using ubuntu 13.10 with powerpc architeture.
Is there any other way of booting VM without the dependency of
ebtables.PLease let me know.

Thanks


On Sat, May 3, 2014 at 12:55 PM, abhishek jain <ashujain9727 at gmail.com>wrote:

> Hi all
>
> I want to boot VM from controller node onto the compute node using
> devstack.All my services such as nova,q-agt,nova-compute,neutron,etc are
> running properly both on compute node as well on the controller node.I'm
> also able to boot VMs on controller node from the openstack dashvoard
> .However issue is coming when I'm booting VM from controller node onto
> compute node.
> Following is the error in the nova-compute logs when I'm trying to boot VM
> on compute node from controller node....
>
>
> 2014-04-30 05:10:22.452 17049 TRACE nova.openstack.common.rpc.amqp     if
> ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed',
> dom=self)
> 2014-04-30 05:10:22.452 17049 TRACE nova.openstack.common.rpc.amqp
> libvirtError: Error while building firewall: Some rules could not be
> created for interface tap74d2ff08-7f: Failure to execute command '$EBT -t
> nat -A libvirt-J-tap74d2ff08-7f  -j J-tap74d2ff08-7f-mac' : 'Unable to
> update the kernel. Two possible causes:
> 2014-04-30 05:10:22.452 17049 TRACE nova.openstack.common.rpc.amqp 1.
> Multiple ebtables programs were executing simultaneously. The ebtables
> 2014-04-30 05:10:22.452 17049 TRACE nova.openstack.common.rpc.amqp
> userspace tool doesn't by default support multiple ebtables programs
> running
> 2014-04-30 05:10:22.452 17049 TRACE nova.openstack.common.rpc.amqp
> concurrently. The ebtables option --concurrent or a tool like flock can be
> 2014-04-30 05:10:22.452 17049 TRACE nova.openstack.common.rpc.amqp    used
> to support concurrent scripts that update the ebtables kernel tables.
> 2014-04-30 05:10:22.452 17049 TRACE nova.openstack.common.rpc.amqp 2. The
> kernel doesn't support a certain ebtables extension, consider
> 2014-04-30 05:10:22.452 17049 TRACE nova.openstack.common.rpc.amqp
> recompiling your kernel or insmod the extension.
> 2014-04-30 05:10:22.452 17049 TRACE nova.openstack.common.rpc.amqp .'.
> 2014-04-30 05:10:22.452 17049 TRACE nova.openstack.common.rpc.amqp
> 2014-04-30 05:10:22.452 17049 TRACE nova.openstack.common.rpc.amqp
> 2014-04-30 05:10:29.066 17049 DEBUG nova.openstack.common.rpc.amqp [-]
> Making synchronous call on conductor ... multicall /opt/stack/nova/nova/o
>
> From the logs it appears that the command $EBT -t nat -A
> libvirt-J-tap74d2ff08-7f  -j J-tap74d2ff08-7f-mac is not able to update the
> kernel with the ebtables rules.I have also enabled the ebtables modules(*)
> in my kernel.
>
> Please help me regarding this.
> Also is there any other way of booting the VM without updating the rules
> in kernel .
>
> Thanks
> Abhisehk Jain
>
>
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