Can you try running:
service mysql stop
and then:
ps auxww | grep mysql
to make sure that service isn't running anymore, before trying to start the service again. It looks that you have two mysql processes running.
Can you try running:
service mysql stop
and then:
ps auxww | grep mysql
to make sure that service isn't running anymore, before trying to start the service again. It looks that you have two mysql processes running.