Nov 06 04:03:41 2011 mailmanctl(7664): PID unreadable in: /var/mailman/data/master-qrunner.pid 
Nov 06 04:03:41 2011 mailmanctl(7664): [Errno 2] No such file or directory: '/var/mailman/data/master-qrunner.pid' 
Nov 06 04:03:41 2011 mailmanctl(7664): Is qrunner even running?