Maybe try "system host-cpu-modify -f application-isolated -p0 0 controller-0" to indicate that you want to have zero application-isolated CPUs on physical processor 0.

Chris

On 2/3/2026 9:17 AM, joaopedrosnd@gmail.com wrote:
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Hi, i enabled CPU core isolation for some experiments and i now want to revert it, basically assign "Application" to the cores.

When doing

"system host-cpu-modify -f application -c 1-4 controller-0"

the system simply doesnt let me do it, it returns

"Error: Argument -f: invalid choice: 'application' (choose from 'vswitch', 'shared', 'platform', 'application-isolated')"

Is there a way to revert the changes besides reinstalling the system?