"JoseMa(G-Mail)" <josema.an...@gmail.com> writes:
> Hi folks,
> When trying to start a VM in a nested env with Ryzen it complains with:
>
> 2019-09-28 14:29:53,940-0400 ERROR (vm/0391a661) [virt.vm]
> (vmId='0391a661-20fd-490a-9653-dd217147224d') The vm start process failed
> (vm:933)
> Traceback (most recent call last):
> File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 867, in
> _startUnderlyingVm
> self._run()
> File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 2880, in
> _run
> dom.createWithFlags(flags)
> File "/usr/lib/python2.7/site-packages/vdsm/common/libvirtconnection.py",
> line 131, in wrapper
> ret = f(*args, **kwargs)
> File "/usr/lib/python2.7/site-packages/vdsm/common/function.py", line 94,
> in wrapper
> return func(inst, *args, **kwargs)
> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1110, in
> createWithFlags
> if ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed',
> dom=self)
>
>
> libvirtError: the CPU is incompatible with host CPU: Host CPU does not
> provide required features: monitor
>
>
> The hooks for nestedv are installed. Is there any way to modify the xml
> passed to the host used by libvirt and remove the monitor flag ?? Like this
>
> <feature policy='disable' name='monitor'/>
Hi, I think 'cpuflags' hook can be used for the purpose, see the
documentation in its before_vm_start.py file how to use it. In case
it's not enough for you, you can write your own (much simpler)
before_vm_start hook to perform the transformation.
HTH,
Milan
> Lab is installed using Centos latest and oVirt latest as today!. By the way
> a nested intel cpu box works with no problem.
>
>
> THANKS!!!!!!
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