Hi Richard, Have you rebooted the switch? You can also try cp kill -ABRT 5151 and see if it will let you stop the service. Let us know if you have any additional questions.  
Hello, We own a S4148F and we are having a problem of high CPU consumption in the SSH process. Is there anything i can do to reduce this? OS10 Version: 10.5.2.7
Dell S4148F high cpu