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cgroup backend for pathOfController error

After installing Whonix-XFCE-16.0.3.7.Intel_AMD64.qcow2 the gateway starts as expected and runs flawlessly. Nevertheless, the Workstantion will not start with the following message:

Error starting domain: internal error: failed to get cgroup backend for 'pathOfController' (Full traceback bellow).
In the environment I have also installed Tails and Debian 11. They all work fine, so I guess this is an issue that has to do with Whonix Workstation only.

I have a vague idea about what cgroup is, but do not have any ideas on how to do anything about it.

Any hints will be much appreciated.

Ubert

  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 65, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 101, in tmpcb
    callback(*args, **kwargs)
  File "/usr/share/virt-manager/virtManager/object/libvirtobject.py", line 57, in newfn
    ret = fn(self, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/object/domain.py", line 1329, in startup
    self._backend.create()
  File "/usr/lib/python3/dist-packages/libvirt.py", line 1353, in create
    raise libvirtError('virDomainCreate() failed')
libvirt.libvirtError: internal error: failed to get cgroup backend for 'pathOfController'```

Late, but try this and see if the problem goes away:

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