This has been fixed in a later version of Dovecot, so your best course of
action is to upgrade to some more recent version. I'd recommend 2.2.36.
Aki
> On 10 December 2018 at 18:28 admin via dovecot <dovecot@dovecot.org> wrote:
>
>
> Dear suscribers.
>
> I just dont understand this error. Don't know where to look first. If
> someone have already meet this problem...
>
> Dec 10 16:06:17 prudence dovecot: dsync-server(addr...@domain.fr):
> Panic: file dsync-brain-mailbox.c: line 370
> (dsync_brain_sync_mailbox_deinit): assertion failed: (brain->failed)
> Dec 10 16:06:17 prudence dovecot: dsync-server(addr...@domain.fr):
> Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xa0112)
> [0x7f2c66f62112] -> /usr/lib/dovecot/libdovecot.so.0(+0xa020a)
> [0x7f2c66f6220a] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0)
> [0x7f2c66ef21d8] ->
> dovecot/doveadm-server(dsync_brain_sync_mailbox_deinit+0x1b0)
> [0x5587f89936b0] ->
> dovecot/doveadm-server(dsync_brain_slave_recv_mailbox+0x417)
> [0x5587f8994447] -> dovecot/doveadm-server(dsync_brain_run+0x286)
> [0x5587f8991a86] -> dovecot/doveadm-server(+0x430d9) [0x5587f89920d9] ->
> dovecot/doveadm-server(+0x595cf) [0x5587f89a85cf] ->
> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x52) [0x7f2c66f781a2]
> -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x12e)
> [0x7f2c66f7984e] ->
> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x36)
> [0x7f2c66f78236] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38)
> [0x7f2c66f783e8] -> dovecot/doveadm-server(+0x27eed) [0x5587f8976eed] ->
> dovecot/doveadm-server(+0x298cd) [0x5587f89788cd] ->
> dovecot/doveadm-server(+0x3f30b) [0x5587f898e30b] ->
> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x52) [0x7f2c66f781a2]
> -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x12e)
> [0x7f2c66f7984e] ->
> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x36)
> [0x7f2c66f78236] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38)
> [0x7f2c66f783e8] ->
> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13)
> [0x7f2c66efc9f3] -> dovecot/doveadm-server(main+0x1b5) [0x5587f89691c5]
> -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7)
> [0x7f2c66af2b97] -> dovecot/doveadm-server(_start+0x2a) [0x5587f896928a]
> Dec 10 16:06:17 prudence dovecot: dsync-server(addr...@domain.fr):
> Fatal: master: service(doveadm): child 22362 killed with signal 6 (core
> dumped)
>
>
> server 1 dovecot configuration (version 2.2.9):
>
> default_client_limit = 2048
> default_process_limit = 2048
> disable_plaintext_auth = no
> doveadm_password = xxxxxxxxxxx
> doveadm_port = 11225
> hostname = xxxxxxxxxxxx
> listen = 127.0.0.1,XX.XX.XX.XX
> mail_location = maildir:/srv/mail/%d/%n/Maildir
> mail_plugins = " notify replication"
> managesieve_notify_capability = mailto
> managesieve_sieve_capability = fileinto reject envelope
> encoded-character vacation subaddress comparator-i;ascii-numeric
> relational regex imap4flags copy include variables body enotify
> environment mailbox date ihave
> namespace inbox {
> inbox = yes
> location =
> mailbox Drafts {
> auto = subscribe
> special_use = \Drafts
> }
> mailbox Junk {
> auto = subscribe
> special_use = \Junk
> }
> mailbox Sent {
> auto = subscribe
> special_use = \Sent
> }
> mailbox "Sent Messages" {
> special_use = \Sent
> }
> mailbox Trash {
> auto = subscribe
> special_use = \Trash
> }
> prefix =
> }
> passdb {
> args = /etc/dovecot/dovecot-sql.conf.ext
> driver = sql
> }
> plugin {
> mail_replica = tcp:xxxxxxxxx:11225
> sieve = ~/.dovecot.sieve
> sieve_default = /etc/dovecot/sieve/Ingenie.sieve
> sieve_default_name = Ingenie
> sieve_dir = ~/sieve
> sieve_max_redirects = 0
> sieve_vacation_dont_check_recipient = yes
> }
> postmaster_address = ad...@ingenie.fr
> protocols = " imap lmtp sieve pop3"
> service aggregator {
> fifo_listener replication-notify-fifo {
> user = vmail
> }
> unix_listener replication-notify {
> user = vmail
> }
> }
> service auth {
> unix_listener /var/spool/postfix-submission/private/dovecot-auth {
> group = postfix
> mode = 0600
> user = postfix
> }
> }
> service doveadm {
> inet_listener {
> address = XX.XX.XX.XX
> port = 11225
> }
> vsz_limit = 100 M
> }
> service lmtp {
> inet_listener lmtp {
> address = 127.0.0.1
> port = 11125
> }
> }
> service replicator {
> process_min_avail = 1
> unix_listener replicator-doveadm {
> group = vmail
> mode = 0600
> user = vmail
> }
> }
> ssl_ca = </etc/ssl/ingenie.fr/cacrt.pem
> ssl_cert = </etc/ssl/ingenie.fr/crt.pem
> ssl_key = </etc/ssl/ingenie.fr/key.pem
> submission_host = 127.0.0.1:10025
> userdb {
> driver = prefetch
> }
> userdb {
> args = /etc/dovecot/dovecot-sql.conf.ext
> driver = sql
> }
> protocol lmtp {
> mail_plugins = " sieve"
> }
> protocol imap {
> mail_max_userip_connections = 500
> }
> protocol sieve {
> mail_max_userip_connections = 500
> }
> protocol pop3 {
> mail_max_userip_connections = 50
> }
>
> server 2 configuration (2.2.33.2 (d6601f4ec))
>
> disable_plaintext_auth = no
> doveadm_password = # hidden, use -P to show it
> doveadm_port = 11225
> hostname = xxxxxxxxxx
> listen = XX.XX.XX.XX
> mail_location = maildir:/srv/mail/%d/%n/Maildir
> mail_plugins = " notify replication"
> mail_privileged_group = mail
> managesieve_notify_capability = mailto
> managesieve_sieve_capability = fileinto reject envelope
> encoded-character vacation subaddress comparator-i;ascii-numeric
> relational regex imap4flags copy include variables body enotify
> environment mailbox date ihave
> namespace inbox {
> inbox = yes
> location =
> mailbox Drafts {
> auto = subscribe
> special_use = \Drafts
> }
> mailbox Junk {
> auto = subscribe
> autoexpunge = 30 days
> special_use = \Junk
> }
> mailbox Sent {
> auto = subscribe
> special_use = \Sent
> }
> mailbox "Sent Messages" {
> special_use = \Sent
> }
> mailbox Trash {
> auto = subscribe
> autoexpunge = 30 days
> special_use = \Trash
> }
> prefix =
> }
> passdb {
> args = /etc/dovecot/sql.conf
> driver = sql
> }
> plugin {
> mail_replica = tcp:xxxxxxxx:11225
> sieve = ~/.dovecot.sieve
> sieve_default = /etc/dovecot/sieve/Ingenie.sieve
> sieve_default_name = Ingenie
> sieve_dir = ~/sieve
> sieve_max_redirects = 0
> sieve_vacation_dont_check_recipient = yes
> }
> postmaster_address = ad...@ingenie.fr
> protocols = " imap lmtp sieve pop3 sieve"
> service aggregator {
> fifo_listener replication-notify-fifo {
> user = vmail
> }
> unix_listener replication-notify {
> user = vmail
> }
> }
> service auth {
> unix_listener /var/spool/postfix-submission/private/dovecot-auth {
> group = postfix
> mode = 0600
> user = postfix
> }
> }
> service doveadm {
> inet_listener {
> address = XX.XX.XX.XX
> port = 11225
> }
> vsz_limit = 100 M
> }
> service lmtp {
> inet_listener lmtp {
> address = 127.0.0.1
> port = 11125
> }
> }
> service replicator {
> process_min_avail = 1
> unix_listener replicator-doveadm {
> group = vmail
> mode = 0600
> user = vmail
> }
> }
> ssl_ca = </etc/ssl/ingenie.fr/cacrt.pem
> ssl_cert = </etc/ssl/ingenie.fr/crt.pem
> ssl_client_ca_dir = /etc/ssl/certs
> ssl_key = # hidden, use -P to show it
> userdb {
> driver = prefetch
> }
> userdb {
> args = /etc/dovecot/sql.conf
> driver = sql
> }
> protocol lmtp {
> mail_plugins = " sieve"
> }
>
> Thanks for considering my request.
>
