1. A method for processing a command in a processor set including a main processor and a first co-processor, the method comprising: sending, by the main processor to the first co-processor, a command; detecting an execution problem condition corresponding to at least one of the following: (i) insufficient progress in executing the command by the co-processor, or (ii) time being taken to execute the command by the co-processor exceeds a timeout value included in the command; and sending, to the main processor, a command execution problem indication responsive to detection of the execution problem condition.