Computer devices and management methods are provided. In an implementation, a computer device includes a subrack common component and a plurality of service nodes, wherein each of the plurality of service nodes comprises a baseboard management controller (BMC connected to the subrack common component and configured to manage the subrack common component when being in a primary status.

Asynchronous hardware control circuitry comprises a hardware mutex for interrupting a succession of performances of a hardware or software process. In response to receiving an indication of readiness to start a next performance of the process, if the mutex is unacquired, the control circuitry switches the mutex to a first acquired state and outputs a request to start the next performance. In response to receiving an indication that a performance has completed, if the mutex is in the first acquired state, the control circuitry releases the mutex from the first acquired state. In response to receiving a request to interrupt the succession of performances, if the mutex is unacquired, the control circuitry switches the mutex to the second acquired state. If the mutex is in the first acquired state, the mutex is switched into the second acquired state after the mutex is released from the first acquired state.