Simone Tiraboschi
He / Him / His
Principal Software Engineer
 |  |
El 2019-05-24 14:42, Simone Tiraboschi escribió:
> On Fri, May 24, 2019 at 3:39 PM <nicolas@devels.es> wrote:
>
>> El 2019-05-24 14:30, Simone Tiraboschi escribió:
>>> On Fri, May 24, 2019 at 2:56 PM <nicolas@devels.es> wrote:
>>>
>>>> El 2019-05-24 13:39, Simone Tiraboschi escribió:
>>>>> On Fri, May 24, 2019 at 2:32 PM <nicolas@devels.es> wrote:
>>>>>
>>>>>> El 2019-05-24 13:22, Simone Tiraboschi escribió:
>>>>>>> On Fri, May 24, 2019 at 1:51 PM <nicolas@devels.es> wrote:
>>>>>>>
>>>>>>>> El 2019-05-24 12:41, nicolas@devels.es escribió:
>>>>>>>>> El 2019-05-14 08:19, Yedidyah Bar David escribió:
>>>>>>>>>> On Tue, May 14, 2019 at 10:02 AM <nicolas@devels.es>
>> wrote:
>>>>>>>>>>>
>>>>>>>>>>> Please, any ideas about this?
>>>>>>>>>>>
>>>>>>>>>>> Thanks.
>>>>>>>>>>>
>>>>>>>>>>> El 2019-05-10 09:18, nicolas@devels.es escribió:
>>>>>>>>>>> > Hi,
>>>>>>>>>>> >
>>>>>>>>>>> > We're running oVirt version 4.3.3, and trying to
>>>> configure
>>>>>>>> one of the
>>>>>>>>>>> > hosts to support Nested Virtualization, but when
>>>> installing
>>>>>>>> the nested
>>>>>>>>>>> > host it claims it doesn't support hardware
>>>> virtualization.
>>>>>>>>>>> >
>>>>>>>>>>> > On the physical host, we've enabled nested
>>>> virtualization:
>>>>>>>>>>> >
>>>>>>>>>>> > # cat /sys/module/kvm_intel/parameters/nested
>>>>>>>>>>> > Y
>>>>>>>>>>> >
>>>>>>>>>>> > Content of /etc/modprobe.d/kvm.conf:
>>>>>>>>>>> >
>>>>>>>>>>> > options kvm_intel nested=1
>>>>>>>>>>> > options kvm_intel enable_shadow_vmcs=1
>>>>>>>>>>> > options kvm_intel enable_apicv=1
>>>>>>>>>>> > options kvm_intel ept=1
>>>>>>>>>>> >
>>>>>>>>>>> > I created a VM to run on that host, which will be the
>>>>>> nested
>>>>>>>> host. I
>>>>>>>>>>> > try to deploy it but the engine will show it failed
>>>>>> because:
>>>>>>>>>>> >
>>>>>>>>>>> > 2019-05-10 09:11:32,006+01 ERROR
>>>>>>>>>>> >
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
> [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
>>>>>>>>>>> > (VdsDeploy) [6381e662] EVENT_ID:
>>>>>>>> VDS_INSTALL_IN_PROGRESS_ERROR(511),
>>>>>>>>>>> > An error has occurred during installation of Host
>> host1:
>>>>>>>> Failed to
>>>>>>>>>>> > execute stage 'Setup validation': Hardware does not
>>>> support
>>>>>>>>>>> > virtualization.
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Hi Yedidyah, sorry for the delayed answer.
>>>>>>>>>
>>>>>>>>>> You might find some more details in the host-deploy log,
>>>>>>>>>> which you should be able to find in
>>>>>>>> /var/log/ovirt-engine/host-deploy
>>>>>>>>>> (on the engine machine, it's copied there after deploy
>>>>>>>> finishes).
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> I had a look at it, but nothing relevant shows up besides
>>>> this
>>>>>>>> line:
>>>>>>>>>
>>>>>>>>> 2019-05-10 09:11:32,628+0100 DEBUG otopi.context
>>>>>>>>> context._executeMethod:145 method exception
>>>>>>>>> Traceback (most recent call last):
>>>>>>>>> File
>> "/tmp/ovirt-qPjYkVy6Ys/pythonlib/otopi/context.py",
>>>>>> line
>>>>>>>> 132,
>>>>>>>>> in _executeMethod
>>>>>>>>> method['method']()
>>>>>>>>> File
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
> "/tmp/ovirt-qPjYkVy6Ys/otopi-plugins/ovirt-host-deploy/vdsm/hardware.py",
>>>>>>>>> line 71, in _validate_virtualization
>>>>>>>>> _('Hardware does not support virtualization')
>>>>>>>>> RuntimeError: Hardware does not support virtualization
>>>>>>>>>
>>>>>>>>>> It's been some time since I configured this myself, so I
>> do
>>>>>> not
>>>>>>>>>> remember
>>>>>>>>>> the details anymore. Did you check some guides/blog
>>>> posts/etc.
>>>>>>>> about
>>>>>>>>>> this?
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> I didn't. I just enabled nested virtualization in the host
>>>> and
>>>>>>>> tried to
>>>>>>>>> deploy.
>>>>>>>>>
>>>>>>>>>> What type of CPU did you configure in the VM (and
>> cluster)?
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> In the Cluster I have the Intel Broadwell Family, and as
>> the
>>>> VM
>>>>>>>> CPU I
>>>>>>>>> have the default cluster CPU which is the one I just
>>>>>> referenced.
>>>>>>>> Not
>>>>>>>>> sure if anything else should be done.
>>>>>>>>>
>>>>>>>>>> To see what checks the code does, you can read [1],
>> although
>>>>>> the
>>>>>>>> log
>>>>>>>>>> should be enough IMO.
>>>>>>>>>>
>>>>>>>>>> [1]
>>>>>>>>
>> /usr/lib/python2.7/site-packages/ovirt_host_deploy/hardware.py
>>>>>>>>
>>>>>>>> I just saw this in the log:
>>>>>>>>
>>>>>>>> 2019-05-24 12:44:56,000+0100 DEBUG
>>>>>> otopi.ovirt_host_deploy.hardware
>>>>>>>>
>>>>>>>> hardware._isVirtualizationEnabled:208 virtualization support
>>>>>>>> GenuineIntel (cpu: False, bios: True)
>>>>>>>>
>>>>>>>> So the CPU is not able to support virtualization. Why could
>> be
>>>>>>>> that?
>>>>>>>
>>>>>>> Hi,
>>>>>>> can you please share the output of cat /proc/cpuinfo ?
>>>>>>>
>>>>>>
>>>>>> Hi Simone,
>>>>>>
>>>>>> Please find attached the output (assuming you meant the VM
>> that
>>>> is
>>>>>> meant
>>>>>> to be added as a host). You'll probably see the model name as
>>>>>> Haswell
>>>>>> because I forced it to test, but the same happens with
>>>> Broadwell.
>>>>>
>>>>> OK,
>>>>> vmx flag is not there so this VM doesn't support virtualization
>>>> and
>>>>> for that you have to enable nested virt support on the
>> underlying
>>>>> level. What (SW) are you using on the underlying layer?
>>>>>
>>>>> Let's try to recap:
>>>>> L0 is your physical machine
>>>>> L1 is the VM you are going to use as a virtualization host for
>>>> oVirt
>>>>> L2 are the VM you are going to create with oVirt
>>>>>
>>>>> In order to be able to start a L2 VM from oVirt, you have to
>>>> enable
>>>>> nested virtualization support on your L0 physical host.
>>>>>
>>>>
>>>> Ok, the output I sent in the previous e-mail was for L1. For L0
>> I'm
>>>>
>>>> sending the cpuinfo log now.
>>>>
>>>> I saw in the code, the flag that is returning false at
>> deployment
>>>> of L1
>>>> is this:
>>>>
>>>> cpu_ok = self._cpu_has_vmx_support()
>>>>
>>>> Which calls the _cpu_has_vmx_support():
>>>>
>>>> def _cpu_has_vmx_support(self):
>>>> eax, ebx, ecx, edx = self._cpuid(1)
>>>> # CPUID.1:ECX.VMX[bit 5] -> VT
>>>> ret = ecx & (1 << 5) != 0
>>>> self.logger.debug('vmx support: %s', ret)
>>>> return ret
>>>>
>>>> From that, am I assuming well that vmx support should be
>> enabled
>>>> also
>>>> for L1? If so, what could be the reason for not being enabled?
>>>
>>> Nested virtualization support on L0 is supposed to enable
>>> virtualization support (vmx flag) on L1.
>>> How you defined and started your L1 VMs?
>>>
>>
>> I basically created the L1 VM when L0 had no nested support yet, I
>> enabled the nested support once the L1 machine was already created,
>> can
>> that make a difference?
>
> I suppose so.
> But which kind of software are you using on your L0? directly libvirt
> with virsh? virt-install? virt-manager? another oVirt isntance?
>
L0 is a physical host for oVirt 4.1.9 (cannot upgrade yet) with vdsm. I
can try to destroy L1 and reinstall it now that L0 has nested
virtualization support and see how it goes, that will probably be on
next monday, I'll send the result once I try.
>
>> I defined the VM like any other, just with one special option
>> enabled:
>> to be run on the L0 host which has the nested support enabled. I
>> also
>> tried shutting down the VM and starting it again, but made no
>> difference.
>>
>>>
>>>> Thanks again.
>>>>
>>>>>
>>>>>
>>>>>> Thanks.
>>>>>>
>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Best regards,
>>>>>>>>>>
>>>>>>>>>>> >
>>>>>>>>>>> > Am I missing something here?
>>>>>>>>>>> >
>>>>>>>>>>> > Thanks.
>>>>>>>>>>> > _______________________________________________
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>>>>>>>>>>> > Privacy Statement:
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>>>>>>>> [1]
>>>>>>>>>>> > oVirt Code of Conduct:
>>>>>>>>>>> >
>>>> https://www.ovirt.org/community/about/community-guidelines/ [2]
>> [2]
>>>>>> [2]
>>>>>>>> [2]
>>>>>>>>>>> > List Archives:
>>>>>>>>>>> >
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYARQTEHLMA4WR3T3P6N4N/
>> [3]
>>>> [3]
>>>>>> [3]
>>>>>>>> [3]
>>>>>>>>>>> _______________________________________________
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>>>>>>>>>>> To unsubscribe send an email to users-leave@ovirt.org
>>>>>>>>>>> Privacy Statement:
>>>> https://www.ovirt.org/site/privacy-policy/ [1] [1]
>>>>>> [1]
>>>>>>>> [1]
>>>>>>>>>>> oVirt Code of Conduct:
>>>>>>>>>>>
>> https://www.ovirt.org/community/about/community-guidelines/ [2]
>>>> [2]
>>>>>> [2] [2]
>>>>>>>>>>> List Archives:
>>>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLFZUXV2I53YRGX7J7FR6/
>> [4]
>>>> [4]
>>>>>> [4]
>>>>>>>> [4]
>>>>>>>>> _______________________________________________
>>>>>>>>> Users mailing list -- users@ovirt.org
>>>>>>>>> To unsubscribe send an email to users-leave@ovirt.org
>>>>>>>>> Privacy Statement:
>> https://www.ovirt.org/site/privacy-policy/ [1]
>>>> [1]
>>>>>> [1] [1]
>>>>>>>>> oVirt Code of Conduct:
>>>>>>>>> https://www.ovirt.org/community/about/community-guidelines/
>> [2]
>>>> [2] [2]
>>>>>> [2]
>>>>>>>>> List Archives:
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/4QMYFBJUMSO7XF2XID4UWY27RMKDV6C4/
>> [5]
>>>> [5]
>>>>>> [5]
>>>>>>>> [5]
>>>>>>>> _______________________________________________
>>>>>>>> Users mailing list -- users@ovirt.org
>>>>>>>> To unsubscribe send an email to users-leave@ovirt.org
>>>>>>>> Privacy Statement:
>> https://www.ovirt.org/site/privacy-policy/ [1]
>>>> [1]
>>>>>> [1] [1]
>>>>>>>> oVirt Code of Conduct:
>>>>>>>> https://www.ovirt.org/community/about/community-guidelines/
>> [2]
>>>> [2] [2]
>>>>>> [2]
>>>>>>>> List Archives:
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/6O7QPVYUHVE7BHHSOVRATSYWJA732RPF/
>> [6]
>>>> [6]
>>>>>> [6]
>>>>>>>> [6]
>>>>>>>
>>>>>>> --
>>>>>>>
>>>>>>> Simone Tiraboschi
>>>>>>>
>>>>>>> He / Him / His
>>>>>>>
>>>>>>> Principal Software Engineer
>>>>>>>
>>>>>>> Red Hat [7]
>>>>>>>
>>>>>>> stirabos@redhat.com
>>>>>>>
>>>>>>> @redhatjobs [8] redhatjobs [9] @redhatjobs [10]
>>>>>>>
>>>>>>> [11]
>>>>>>>
>>>>>>> [12]
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Links:
>>>>>>> ------
>>>>>>> [1] https://www.ovirt.org/site/privacy-policy/ [1] [1] [1]
>>>>>>> [2]
>> https://www.ovirt.org/community/about/community-guidelines/ [2]
>>>> [2]
>>>>>> [2]
>>>>>>> [3]
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYARQTEHLMA4WR3T3P6N4N/
>> [3]
>>>> [3]
>>>>>> [3]
>>>>>>> [4]
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLFZUXV2I53YRGX7J7FR6/
>> [4]
>>>> [4]
>>>>>> [4]
>>>>>>> [5]
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/4QMYFBJUMSO7XF2XID4UWY27RMKDV6C4/
>> [5]
>>>> [5]
>>>>>> [5]
>>>>>>> [6]
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/6O7QPVYUHVE7BHHSOVRATSYWJA732RPF/
>> [6]
>>>> [6]
>>>>>> [6]
>>>>>>> [7] https://www.redhat.com/ [7] [7] [7]
>>>>>>> [8] https://twitter.com/redhatjobs [8] [8] [8]
>>>>>>> [9] https://www.facebook.com/redhatjobs [9] [9] [9]
>>>>>>> [10] https://instagram.com/redhatjobs [10] [10] [10]
>>>>>>> [11] https://red.ht/sig [11] [11] [11]
>>>>>>> [12] https://redhat.com/summit [12] [12] [12]
>>>>>
>>>>> --
>>>>>
>>>>> Simone Tiraboschi
>>>>>
>>>>> He / Him / His
>>>>>
>>>>> Principal Software Engineer
>>>>>
>>>>> Red Hat [7]
>>>>>
>>>>> stirabos@redhat.com
>>>>>
>>>>> @redhatjobs [8] redhatjobs [9] @redhatjobs [10]
>>>>>
>>>>> [11]
>>>>>
>>>>> [12]
>>>>>
>>>>>
>>>>>
>>>>> Links:
>>>>> ------
>>>>> [1] https://www.ovirt.org/site/privacy-policy/ [1] [1]
>>>>> [2] https://www.ovirt.org/community/about/community-guidelines/
>> [2]
>>>> [2]
>>>>> [3]
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYARQTEHLMA4WR3T3P6N4N/
>> [3]
>>>> [3]
>>>>> [4]
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLFZUXV2I53YRGX7J7FR6/
>> [4]
>>>> [4]
>>>>> [5]
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/4QMYFBJUMSO7XF2XID4UWY27RMKDV6C4/
>> [5]
>>>> [5]
>>>>> [6]
>>>>>
>>>>
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/6O7QPVYUHVE7BHHSOVRATSYWJA732RPF/
>> [6]
>>>> [6]
>>>>> [7] https://www.redhat.com/ [7] [7]
>>>>> [8] https://twitter.com/redhatjobs [8] [8]
>>>>> [9] https://www.facebook.com/redhatjobs [9] [9]
>>>>> [10] https://instagram.com/redhatjobs [10] [10]
>>>>> [11] https://red.ht/sig [11] [11]
>>>>> [12] https://redhat.com/summit [12] [12]
>>>
>>> --
>>>
>>> Simone Tiraboschi
>>>
>>> He / Him / His
>>>
>>> Principal Software Engineer
>>>
>>> Red Hat [7]
>>>
>>> stirabos@redhat.com
>>>
>>> @redhatjobs [8] redhatjobs [9] @redhatjobs [10]
>>>
>>> [11]
>>>
>>> [12]
>>>
>>>
>>>
>>> Links:
>>> ------
>>> [1] https://www.ovirt.org/site/privacy-policy/ [1]
>>> [2] https://www.ovirt.org/community/about/community-guidelines/
>> [2]
>>> [3]
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYARQTEHLMA4WR3T3P6N4N/
>> [3]
>>> [4]
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLFZUXV2I53YRGX7J7FR6/
>> [4]
>>> [5]
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/4QMYFBJUMSO7XF2XID4UWY27RMKDV6C4/
>> [5]
>>> [6]
>>>
>>
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/6O7QPVYUHVE7BHHSOVRATSYWJA732RPF/
>> [6]
>>> [7] https://www.redhat.com/ [7]
>>> [8] https://twitter.com/redhatjobs [8]
>>> [9] https://www.facebook.com/redhatjobs [9]
>>> [10] https://instagram.com/redhatjobs [10]
>>> [11] https://red.ht/sig [11]
>>> [12] https://redhat.com/summit [12]
>
> --
>
> Simone Tiraboschi
>
> He / Him / His
>
> Principal Software Engineer
>
> Red Hat [7]
>
> stirabos@redhat.com
>
> @redhatjobs [8] redhatjobs [9] @redhatjobs [10]
>
> [11]
>
> [12]
>
>
>
> Links:
> ------
> [1] https://www.ovirt.org/site/privacy-policy/
> [2] https://www.ovirt.org/community/about/community-guidelines/
> [3]
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYARQTEHLMA4WR3T3P6N4N/
> [4]
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLFZUXV2I53YRGX7J7FR6/
> [5]
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/4QMYFBJUMSO7XF2XID4UWY27RMKDV6C4/
> [6]
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/6O7QPVYUHVE7BHHSOVRATSYWJA732RPF/
> [7] https://www.redhat.com/
> [8] https://twitter.com/redhatjobs
> [9] https://www.facebook.com/redhatjobs
> [10] https://instagram.com/redhatjobs
> [11] https://red.ht/sig
> [12] https://redhat.com/summit
Simone Tiraboschi
He / Him / His
Principal Software Engineer
| |