Oct 30 04:02:49 2011 mailmanctl(7484): PID unreadable in: /var/mailman/data/master-qrunner.pid 
Oct 30 04:02:49 2011 mailmanctl(7484): [Errno 2] No such file or directory: '/var/mailman/data/master-qrunner.pid' 
Oct 30 04:02:49 2011 mailmanctl(7484): Is qrunner even running?