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

Red Hat EMEA

amusil@redhat.com   IM: amusil

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