It'd be easier if you could share the complete vdsm log.
Perhaps file a bug and we can investigate it?
Y.

On Thu, May 17, 2018 at 11:25 AM, Callum Smith <callum@well.ox.ac.uk> wrote:
Some information that appears to be from around the time of installation to the cluster:

WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -X libvirt-O-vnet0' failed: Chain 'libvirt-O-vnet0' doesn't exist.
firewalld
WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -F libvirt-O-vnet0' failed: Chain 'libvirt-O-vnet0' doesn't exist.
firewalld
WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -L libvirt-O-vnet0' failed: Chain 'libvirt-O-vnet0' doesn't exist.
firewalld
WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -D POSTROUTING -o vnet0 -j libvirt-O-vnet0' failed: Illegal target name 'libvirt-O-vnet0'.
firewalld
WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -X HI-vnet0' failed: ip6tables: No chain/target/match by that name.
firewalld
WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -F HI-vnet0' failed: ip6tables: No chain/target/match by that name.
firewalld
WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -X FI-vnet0' failed: ip6tables: No chain/target/match by that name.
firewalld
WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -F FI-vnet0' failed: ip6tables: No chain/target/match by that name.
firewalld

Regards,
Callum

--

Callum Smith
Research Computing Core
Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

On 17 May 2018, at 09:20, Callum Smith <callum@well.ox.ac.uk> wrote:

PS. some other WARN's that come up on the host:

WARN File: /var/lib/libvirt/qemu/channels/1bc9dae8-a0ea-44b3-9103-5805100648d0.org.qemu.guest_agent.0 already removed
vdsm
WARN Attempting to remove a non existing net user: ovirtmgmt/1bc9dae8-a0ea-44b3-9103-5805100648d0
vdsm
WARN Attempting to remove a non existing network: ovirtmgmt/1bc9dae8-a0ea-44b3-9103-5805100648d0
vdsm
WARN File: /var/lib/libvirt/qemu/channels/1bc9dae8-a0ea-44b3-9103-5805100648d0.ovirt-guest-agent.0 already removed
vdsm
WARN Attempting to add an existing net user: ovirtmgmt/1bc9dae8-a0ea-44b3-9103-5805100648d0
vdsm

Regards,
Callum

--

Callum Smith
Research Computing Core
Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

On 17 May 2018, at 09:16, Callum Smith <callum@well.ox.ac.uk> wrote:

OVN Network provider is used, and the node is running 4.2.3 (specifically 2018051606 clean install last night).

Regards,
Callum

--

Callum Smith
Research Computing Core
Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

On 17 May 2018, at 07:47, Ales Musil <amusil@redhat.com> wrote:



On Thu, May 17, 2018 at 12:01 AM, Callum Smith <callum@well.ox.ac.uk> wrote:
Dear All,

Our vGPU installation is progressing, though the VM is failing to start.

2018-05-16 22:57:34,328+0100 ERROR (vm/1bc9dae8) [virt.vm] (vmId='1bc9dae8-a0ea-44b3-9103-5805100648d0') The vm start process failed (vm:943)
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 872, in _startUnderlyingVm
    self._run()
  File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 2872, in _run
    dom.createWithFlags(flags)
  File "/usr/lib/python2.7/site-packages/vdsm/common/libvirtconnection.py", line 130, in wrapper
    ret = f(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/vdsm/common/function.py", line 92, in wrapper
    return func(inst, *args, **kwargs)
  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1099, in createWithFlags
    if ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed', dom=self)
libvirtError: Cannot get interface MTU on '': No such device

That's the specific error, some other information. It seems the GPU 'allocation' of uuid against the nvidia-xx mdev type is proceeding correctly, and the device is being created by the VM instantiation but the VM does not succeed in going up with this error. Any other logs or information relevant to help diagnose?

Regards,
Callum

--

Callum Smith
Research Computing Core
Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk


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Hi Callum,

can you share your version of the setup? 

Also do you use OVS switch type in the cluster? 

Regards,
Ales.


--
ALES MUSIL
INTERN - rhv network

amusil@redhat.com   IM: amusil

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