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  • Static priority range 50-99 with real-time policy is a possible hazard. Default priority for hardware interrupts is 50. With RT sched, a task can only be interupted by a higher priority task or by voluntary yield/sleep (intermittent or short tasks). Eg. if you have an intensive calculation that will take 2 days and you set its sched priority to fifo 99 the computer will not respond until the task is complete 2 days later. With round-robin 99, p99 tasks will be rotated but nothing of lower priority will execute until all p99 are complete or sleeping.(¿Outcome from set both a fifo99 and a rr99?) Commented Dec 30, 2023 at 20:32