[Dovecot] dovecot -a ends with Segmentation fault

[Sysadmin]

Tere.

dovecot -a
base_dir: /var/run/dovecot/
log_path:
info_log_path:
log_timestamp: %Y-%m-%d %H:%M:%S
syslog_facility: mail
protocols: imap imaps pop3 pop3s
listen: *
ssl_listen:
ssl_disable: no
ssl_ca_file:
ssl_cert_file: /etc/ssl/certs/dovecot.pem
ssl_key_file: /etc/ssl/private/dovecot.pem
ssl_key_password:
ssl_parameters_regenerate: 168
ssl_cipher_list:
ssl_verify_client_cert: no
disable_plaintext_auth: no
verbose_ssl: yes
shutdown_clients: yes
nfs_check: yes
login_dir: /var/run/dovecot//login
login_executable(default): /usr/local/dovecot/libexec/dovecot/imap-login
login_executable(imap): /usr/local/dovecot/libexec/dovecot/imap-login
login_executable(pop3): /usr/local/dovecot/libexec/dovecot/pop3-login
login_user: dovecot
login_greeting: Dovecot ready.
login_log_format_elements: %u %r %m %c
login_log_format: %$: %s
login_process_per_connection: yes
login_chroot: yes
login_greeting_capability: no
login_process_size: 128
login_processes_count: 30
login_max_processes_count: 1024
login_max_logging_users: 2048
valid_chroot_dirs:
mail_chroot:
max_mail_processes: 5120
verbose_proctitle: yes
first_valid_uid: 500
last_valid_uid: 0
first_valid_gid: 1
last_valid_gid: 0
mail_extra_groups: mail
default_mail_env:
maildir:%h/Maildir:INDEX=/var/spool/dovecot/index/%u:CONTROL=/var/spool/dovecot/control/%u
mail_cache_fields: flags
mail_never_cache_fields: imap.envelope
Segmentation fault

Is this normal?

-- 
Sysadmin