[Dovecot] Dovecot 1.2.8 problem on AIX

Running revision 9492:3efdbaab2960(Mon Nov 23) on AIX 5.3. I run dovecot out of inetd. Every once in a while I get the following error:

Dovecot is already running with PID 2592842 (read from /usr/ladmin/dovecot-1.2.8/var/run/dovecot/master.pid) when I try to connect to the imap port.

-Jonathan