Open Stack

On Wed, Aug 15, 2012 at 9:31 AM, Thomas Vachon <vachon at sessionm.com> wrote:
> On Wed, Aug 15, 2012 at 10:28 AM, Narayan Desai <narayan.desai at gmail.com> wrote:
>> On Wed, Aug 15, 2012 at 9:16 AM, Thomas Vachon <vachon at sessionm.com> wrote:
>>> On Wed, Aug 15, 2012 at 9:58 AM, Thomas Vachon <vachon at sessionm.com> wrote:
>>>> On Wed, Aug 15, 2012 at 8:54 AM, Thomas Vachon <vachon at sessionm.com> wrote:
>>>>>
>>>>> On Wed, Aug 15, 2012 at 8:53 AM, Narayan Desai <narayan.desai at gmail.com> wrote:
>>>>> > On Wed, Aug 15, 2012 at 7:24 AM, Thomas Vachon <vachon at sessionm.com> wrote:
>>>>> >
>>>>> >> I am also on Precise.  Downing/Up'ing the interface via VNC did work.
>>>>> >> How exactly did you setup vhost_net, can you provide your libvirt?
>>>>> >
>>>>> > Hm, that might mean that isn't the problem, but this is an easy enough
>>>>> > thing to check.
>>>>> >
>>>>> > Setting up vhost_net is pretty easy; it is auto-detected by kvm, so
>>>>> > all you need to do is modprobe it on the hypervisor.
>>>>> >  -nld
>>>>>
>>>>> Found the docs saying that.  It might help, I will report back on this
>>>>> thread when I run the tests in a bit
>>>>
>>>> OK, I lost all connectivity between nova-network and my vm's.  DNSMasq
>>>> is running and I added the vhost_net module (and confirmed libvirt
>>>> sees it).  Do I need to do something to the guests now too?
>>>
>>> I think I found the root bug:
>>> https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/997978
>>
>> Yeah, this is where i found the vhost_net workaround. (it seems to
>> work for some people and not for others, so I suspect the problem is
>> more complicated somehow)
>>  -nld
>
> The workaround of adding it?  When I added it, I lose all connectivity
> to the instances.

Yeah, I think that all instances will need to be restarted. Or freshly
spawned even.
 -nld