The invention discloses a memory system and an operating method of the memory module. The memory system includes a processor that includes cores and a memory controller, and a first semiconductor memory module that communicates with the memory controller. The cores receive a call to perform a first exception handling in response to detection of a first error when the memory controller reads firstdata from the first semiconductor memory module. A first monarchy core of the cores performs the first exception handling and the remaining cores of the cores return to remaining operations previouslyperformed.