On 11 Sep 2018, at 10.57, Simone Lazzaris <s.lazza...@interactive.eu> wrote: > > Sep 11 03:25:55 imap-front4 dovecot: director: Panic: file > doveadm-connection.c: line 1097 (doveadm_connection_deinit): assertion > failed: (conn->to_ring_sync_abort == NULL) > Sep 11 03:25:55 imap-front4 dovecot: director: Fatal: master: > service(director): child 4395 killed with signal 6 (core dumps disabled)
It's crashing. Can you get gdb backtrace? First enable core dumps. https://dovecot.org/bugreport.html#coredumps <https://dovecot.org/bugreport.html#coredumps>
