Can't run nested virtualization
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. Am I missing something here? Thanks.
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.
Am I missing something here?
Thanks. _______________________________________________ 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/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
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.
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). 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? What type of CPU did you configure in the VM (and cluster)? 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 Best regards,
Am I missing something here?
Thanks. _______________________________________________ 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/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
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-- Didi
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
Best regards,
Am I missing something here?
Thanks. _______________________________________________ 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/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
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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?
Best regards,
Am I missing something here?
Thanks. _______________________________________________ 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/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
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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 ?
Best regards,
Am I missing something here?
Thanks. _______________________________________________ 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/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives:
https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
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-- Simone Tiraboschi He / Him / His Principal Software Engineer Red Hat <https://www.redhat.com/> stirabos@redhat.com @redhatjobs <https://twitter.com/redhatjobs> redhatjobs <https://www.facebook.com/redhatjobs> @redhatjobs <https://instagram.com/redhatjobs> <https://red.ht/sig> <https://redhat.com/summit>
El 2019-05-24 13:22, Simone Tiraboschi escribió:
On Fri, May 24, 2019 at 1:51 PM <nicolas@devels.es> wrote:
El 2019-05-14 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
El 2019-05-24 12:41, nicolas@devels.es escribió: 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. Thanks.
Best regards,
Am I missing something here?
Thanks. _______________________________________________ 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/
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[3]
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[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/ [2] https://www.ovirt.org/community/about/community-guidelines/ [3] https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR... [4] https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLF... [5] https://lists.ovirt.org/archives/list/users@ovirt.org/message/4QMYFBJUMSO7XF... [6] https://lists.ovirt.org/archives/list/users@ovirt.org/message/6O7QPVYUHVE7BH... [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
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 2019-05-14 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
El 2019-05-24 12:41, nicolas@devels.es escribió: 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.
Thanks.
Best regards,
> > Am I missing something here? > > Thanks. > _______________________________________________ > 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]
> oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ [2] > List Archives: >
https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
[3]
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[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/ [2] https://www.ovirt.org/community/about/community-guidelines/ [3]
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-- Simone Tiraboschi He / Him / His Principal Software Engineer Red Hat <https://www.redhat.com/> stirabos@redhat.com @redhatjobs <https://twitter.com/redhatjobs> redhatjobs <https://www.facebook.com/redhatjobs> @redhatjobs <https://instagram.com/redhatjobs> <https://red.ht/sig> <https://redhat.com/summit>
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 2019-05-14 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
El 2019-05-24 12:41, nicolas@devels.es escribió: 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? Thanks again.
Thanks.
Best regards,
> > > > Am I missing something here? > > > > Thanks. > > _______________________________________________ > > 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]
> > oVirt Code of Conduct: > > https://www.ovirt.org/community/about/community-guidelines/ [2] [2] > > List Archives: > >
https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
[3]
[3]
> _______________________________________________ > 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] > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ [2] [2] > List Archives: >
https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLF...
[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] oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ [2] [2] List Archives:
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[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] oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ [2] [2] List Archives:
https://lists.ovirt.org/archives/list/users@ovirt.org/message/6O7QPVYUHVE7BH...
[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] [2] https://www.ovirt.org/community/about/community-guidelines/ [2] [3]
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[4]
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[6]
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--
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/P7ZJB2NVO5DYAR... [4] https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLF... [5] https://lists.ovirt.org/archives/list/users@ovirt.org/message/4QMYFBJUMSO7XF... [6] https://lists.ovirt.org/archives/list/users@ovirt.org/message/6O7QPVYUHVE7BH... [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
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 2019-05-14 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
El 2019-05-24 12:41, nicolas@devels.es escribió: 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?
Thanks again.
Thanks.
> > Best regards, > >> > >> > Am I missing something here? >> > >> > Thanks. >> > _______________________________________________ >> > 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]
>> > oVirt Code of Conduct: >> > https://www.ovirt.org/community/about/community-guidelines/ [2] [2] >> > List Archives: >> >
https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
[3]
[3]
>> _______________________________________________ >> 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] >> oVirt Code of Conduct: >> https://www.ovirt.org/community/about/community-guidelines/ [2] [2] >> List Archives: >>
https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLF...
[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] oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ [2] [2] List Archives:
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[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] oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ [2] [2] List Archives:
https://lists.ovirt.org/archives/list/users@ovirt.org/message/6O7QPVYUHVE7BH...
[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] [2] https://www.ovirt.org/community/about/community-guidelines/ [2] [3]
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--
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/P7ZJB2NVO5DYAR...
[4]
https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLF...
[5]
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[6]
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[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 Red Hat <https://www.redhat.com/> stirabos@redhat.com @redhatjobs <https://twitter.com/redhatjobs> redhatjobs <https://www.facebook.com/redhatjobs> @redhatjobs <https://instagram.com/redhatjobs> <https://red.ht/sig> <https://redhat.com/summit>
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 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. >>> > _______________________________________________ >>> > 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] >>> > oVirt Code of Conduct: >>> > https://www.ovirt.org/community/about/community-guidelines/ [2] [2] [2] >>> > List Archives: >>> >
https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
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Principal Software Engineer
Red Hat [7]
stirabos@redhat.com
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[11]
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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?
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. >>>> > _______________________________________________ >>>> > 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] >>>> > oVirt Code of Conduct: >>>> >
https://www.ovirt.org/community/about/community-guidelines/ [2]
[2]
> [2] >>>> > List Archives: >>>> > >
https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
[3]
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> [3] >>>> _______________________________________________ >>>> 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] >>>> oVirt Code of Conduct: >>>> https://www.ovirt.org/community/about/community-guidelines/ [2] [2] [2] >>>> List Archives: >>>> >
https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLF...
[4]
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> [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] >> oVirt Code of Conduct: >> https://www.ovirt.org/community/about/community-guidelines/ [2] [2] [2] >> List Archives: >> >
https://lists.ovirt.org/archives/list/users@ovirt.org/message/4QMYFBJUMSO7XF...
[5]
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> [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] > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ [2] [2] [2] > List Archives: >
https://lists.ovirt.org/archives/list/users@ovirt.org/message/6O7QPVYUHVE7BH...
[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] [2] https://www.ovirt.org/community/about/community-guidelines/ [2] [2] [3]
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--
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]
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--
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]
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-- Simone Tiraboschi He / Him / His Principal Software Engineer Red Hat <https://www.redhat.com/> stirabos@redhat.com @redhatjobs <https://twitter.com/redhatjobs> redhatjobs <https://www.facebook.com/redhatjobs> @redhatjobs <https://instagram.com/redhatjobs> <https://red.ht/sig> <https://redhat.com/summit>
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. >>>>> > _______________________________________________ >>>>> > 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]
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https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
[3]
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[3] >> [3] >>>>> _______________________________________________ >>>>> 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: >>>>> >> >
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[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: >>> >> >
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--
Simone Tiraboschi
He / Him / His
Principal Software Engineer
Red Hat [7]
stirabos@redhat.com
@redhatjobs [8] redhatjobs [9] @redhatjobs [10]
[11]
[12]
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--
Simone Tiraboschi
He / Him / His
Principal Software Engineer
Red Hat [7]
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--
Simone Tiraboschi
He / Him / His
Principal Software Engineer
Red Hat [7]
stirabos@redhat.com
@redhatjobs [8] redhatjobs [9] @redhatjobs [10]
[11]
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On Fri, May 24, 2019 at 3:48 PM <nicolas@devels.es> wrote:
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.
Did you installed vdsm-hook-nestedvt on your L0 hosts? if vdsm-hook-nestedvt is there and cat /sys/module/kvm_intel/parameters/nested reports Y, shutting down and restarting your L1 VMs from oVirt should be enough.
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. >>>>>> > _______________________________________________ >>>>>> > 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: >>>>>> >
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> [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] >> >
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--
Simone Tiraboschi
He / Him / His
Principal Software Engineer
Red Hat [7]
stirabos@redhat.com
@redhatjobs [8] redhatjobs [9] @redhatjobs [10]
[11]
[12]
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--
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]
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--
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]
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-- Simone Tiraboschi He / Him / His Principal Software Engineer Red Hat <https://www.redhat.com/> stirabos@redhat.com @redhatjobs <https://twitter.com/redhatjobs> redhatjobs <https://www.facebook.com/redhatjobs> @redhatjobs <https://instagram.com/redhatjobs> <https://red.ht/sig> <https://redhat.com/summit>
El 2019-05-24 15:22, Simone Tiraboschi escribió:
On Fri, May 24, 2019 at 3:48 PM <nicolas@devels.es> wrote:
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.
Did you installed vdsm-hook-nestedvt on your L0 hosts? if vdsm-hook-nestedvt is there and cat /sys/module/kvm_intel/parameters/nested reports Y, shutting down and restarting your L1 VMs from oVirt should be enough.
So that was the problem! The vdsm-hook-nestedvt was not installed on the L0 host. I just enabled it and it works perfectly. Thanks so much for the help.
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.
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Do you have the vdsm hook installed - vdsm-hook-nestedvt ? ---- On Tue, 14 May 2019 08:00:46 +0100 <mailto:nicolas@devels.es> wrote ---- Please, any ideas about this? Thanks. El 2019-05-10 09:18, mailto: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.
Am I missing something here?
Thanks. _______________________________________________ Users mailing list -- mailto:users@ovirt.org To unsubscribe send an email to mailto:users-leave@ovirt.org Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/P7ZJB2NVO5DYAR...
Users mailing list -- mailto:users@ovirt.org To unsubscribe send an email to mailto:users-leave@ovirt.org Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/7LALMJF4SQQXLF...
participants (4)
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Alan -
nicolas＠devels.es -
Simone Tiraboschi -
Yedidyah Bar David