On Sep 29, 2008, at 7:46 PM, Radu Popescu wrote:
The log looks like this - it happens every few days:
dovecot: Sep 28 02:28:40 Warning: pop3-login: Killed with signal 15 dovecot: Sep 28 02:28:40 Warning: imap-login: Killed with signal 15 dovecot: Sep 28 02:28:40 Warning: pop3-login: Killed with signal 15 dovecot: Sep 28 02:28:40 Warning: auth(default): Killed with signal 15 dovecot: Sep 28 02:28:40 Warning: pop3-login: Killed with signal 15 dovecot: Sep 28 02:28:40 Warning: imap-login: Killed with signal 15 dovecot: Sep 28 02:28:40 Warning: Killed with signal 15 dovecot: Sep 28 02:28:40 Warning: imap-login: Killed with signal 15
Looks like you've something (some cronjob?) killing all running
dovecot processes. Dovecot itself never sends signal 15 to login
processes, not even when the dovecot master is killed (which is how
it's normally stopped). Also in the middle you see that the master
process is also killed.