Ubuntu 14.04 LTS
/var/log/dovecot:
Mar 30 15:52:02 auth: Error: auth worker: Aborted request: Worker process died unexpectedly
Mar 30 15:52:02 auth-worker(14558): Fatal: master: service(auth-worker): child 14558 killed with signal 11 (core dumped)
/var/log/apport.log
ERROR: apport (pid 12758) Wed Mar 30 15:10:34 2016: called for pid 12757, signal 11, core limit 0
ERROR: apport (pid 12758) Wed Mar 30 15:10:34 2016: executable: /usr/lib/dovecot/auth (command line «dovecot/auth -w»)
Решение:
http://ubuntuforums.org/showthread.php?t=2246951&highlight=dovecot+auth+worker
http://ubuntuforums.org/showthread.php?t=2214042
sudo apt-get remove libpam-smbpass
или: «You can also fix this issue while keeping libpam-smbpass installed by running »
sudo pam-auth-update
и отключить SMB password synchronization
ЛлЖЖ