When I start Gateway from Virt-Manager (KVM), the terminal appears and not the graphical interface

cannot set CPU affinity on process 1994: invalid argument

Duplicate of:

documented here just now:
cannot set CPU affinity on process 1994: invalid argument



If you get a terminal rather than graphical desktop environment:
Did you reduce RAM for the VM? If yes, if RAM is too low, no desktop environment will be started. References:

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