openstack team mailing list archive

[Kiall Mac Innes <kiall@xxxxxxxxxxxx>]

Interesting.. I've never seen that before and honestly have no clue why
root would fail, but a less privileged account would succeed.

Also.. I should have mentioned, I found that certain libvirt stalls needed
an explicit `service libvirt-bin stop && service libvirt-bin start` to get
it going again rather than a `service libvirt-bin restart`.

Thanks,
Kiall


On Wed, May 16, 2012 at 2:53 PM, Leander Bessa Beernaert <
leanderbb@xxxxxxxxx> wrote:

> It only hangs when invoked as root. With standard user permissions it
> works just fine.
>
>
> On Wed, May 16, 2012 at 2:51 PM, Kiall Mac Innes <kiall@xxxxxxxxxxxx>wrote:
>
>> Does `virsh list` still hang? Until that succeeds, nova is not the
>> problem..
>>
>> Thanks,
>> Kiall
>>
>>
>>
>> On Wed, May 16, 2012 at 2:51 PM, Leander Bessa Beernaert <
>> leanderbb@xxxxxxxxx> wrote:
>>
>>> I stopped nova-compute, restarted libvirt-bin and then started
>>> nova-compute. Yet, the issue still remains :/
>>>
>>>
>>> On Wed, May 16, 2012 at 2:44 PM, Kiall Mac Innes <kiall@xxxxxxxxxxxx>wrote:
>>>
>>>> Almost all of the libvirt issues I ran into were "fixed" by restarting
>>>> libvirt, and on one occasion, rebooting the server.
>>>>
>>>> I narrowed some of the issues down to various libvirt bugs at the time,
>>>> but never followed up after an Ubuntu update fixed the issues..
>>>>
>>>> All that said, "I tried 'virsh list', and the command hangs." sounds
>>>> very familiar - as does your log output ;)
>>>>
>>>> Have you attempted to restart libvirt yet? (`service libvirt-bin
>>>> restart`)
>>>>
>>>> Thanks,
>>>> Kiall
>>>>
>>>>
>>>>
>>>> On Wed, May 16, 2012 at 2:39 PM, Leander Bessa Beernaert <
>>>> leanderbb@xxxxxxxxx> wrote:
>>>>
>>>>> Do you have any suggestions on where to start looking for libvirt
>>>>> issues? I've tried looking at the logs from libvirt, but they did not show
>>>>> any indication of errors.
>>>>>
>>>>>
>>>>> On Wed, May 16, 2012 at 2:28 PM, Kiall Mac Innes <kiall@xxxxxxxxxxxx>wrote:
>>>>>
>>>>>> On Wed, May 16, 2012 at 1:25 PM, Alisson Soares Limeira Pontes <
>>>>>> apontes@xxxxxxxxxxx> wrote:
>>>>>>
>>>>>>> If the problem is libvirt, nova-compute should not be running, and
>>>>>>> it would be reported in the /var/log/nova/nova.conf and in
>>>>>>> /var/log/libvirt/libvirtd.log
>>>>>>>
>>>>>>> Verify with
>>>>>>> $ service nova-compute status
>>>>>>>
>>>>>>
>>>>>> I've seen *many* cases where nova stalls due to some libvirt issues.
>>>>>> I wouldn't be so quick to rule libvirt out just because the nova-compute
>>>>>> process is alive!
>>>>>>
>>>>>> It can also be a sincronization problem.
>>>>>>> Did you properly configured ntp??
>>>>>>>
>>>>>>
>>>>>> I believe this is a single server (well .. VM) setup. NTP /
>>>>>> time synchronization should not be an issue.
>>>>>>
>>>>>
>>>>>> Thanks,
>>>>>> Kiall
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>