service(imap-login): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument macOS

[Aki Tuomi]

This sounds like macOS not liking RLIMIT_DATA. You can try setting default_vsz_limit = 0 and see if that helps.

Aki

> On 20/02/2023 08:25 EET James Brown <jlbrown at bordo.com.au> wrote:
> 
> 
> I fixed the issue with Dovecot not starting on macOS Ventura by adding this to 10-master.conf:
> 
> service log {
>   vsz_limit = 0
> }
> 
> But now when I try to login via Imap on port 143 I get the same error for imap-login:
> 
> Feb 20 15:55:41 imap-login: Error: Feb 20 15:55:41 service(imap-login): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
> Feb 20 15:55:41 imap-login: Fatal: master: service(imap-login): child 11781 returned error 89 (Fatal failure)
> Feb 20 15:55:41 master: Error: service(imap-login): command startup failed, throttling for 60.000 secs
> Feb 20 16:13:04 imap-login: Error: Feb 20 16:13:04 service(imap-login): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
> Feb 20 16:13:04 imap-login: Fatal: master: service(imap-login): child 20370 returned error 89 (Fatal failure)
> Feb 20 16:13:04 master: Error: service(imap-login): command startup failed, throttling for 60.000 secs
> 
> Config:
> 
> sudo /usr/local/sbin/dovecot -n
> # 2.3.20 (80a5ac675d): /usr/local/etc/dovecot/dovecot.conf
> # OS: Darwin 22.3.0 arm64 apfs
> # Hostname: mail-server-mac-studio.local
> auth_mechanisms = plain login
> auth_verbose = yes
> auth_verbose_passwords = yes
> default_internal_group = mail
> default_internal_user = _dovecot
> default_login_user = _dovenull
> first_valid_gid = 0
> first_valid_uid = 102
> last_valid_gid = 501
> last_valid_uid = 105
> log_path = /var/log/dovecot.log
> mail_gid = 102
> mail_location = maildir:/usr/local/virtual/%d/%u
> mail_uid = 102
> namespace inbox {
> inbox = yes
> location =
> mailbox Drafts {
> special_use = \Drafts
> }
> mailbox Junk {
> special_use = \Junk
> }
> mailbox Sent {
> special_use = \Sent
> }
> mailbox "Sent Messages" {
> special_use = \Sent
> }
> mailbox Trash {
> special_use = \Trash
> }
> prefix =
> }
> passdb {
> args = /usr/local/etc/dovecot/dovecot-sql.conf.ext
> driver = sql
> }
> protocols = imap pop3
> service auth {
> unix_listener /var/spool/postfix/private/auth {
> group = _postfix
> mode = 0660
> user = _postfix
> }
> unix_listener auth-userdb {
> mode = 0660
> user = _vmail
> }
> }
> service imap-login {
> vsz_limit = 0
> }
> service log {
> vsz_limit = 0
> }
> ssl_cert = </etc/letsencrypt/live/mail.bordo.com.au/fullchain.pem
> ssl_dh = # hidden, use -P to show it
> ssl_key = # hidden, use -P to show it
> userdb {
> driver = prefetch
> }
> userdb {
> args = /usr/local/etc/dovecot/dovecot-sql.conf.ext
> driver = sql
> }
> protocol imap {
> mail_max_userip_connections = 40
> }
> 
> Quitting Dovecot and restarting and I now get:
> 
> Feb 20 17:01:11 master: Info: Dovecot v2.3.20 (80a5ac675d) starting up for imap, pop3 (core dumps disabled)
> Feb 20 17:01:11 master: Error: service(anvil): command startup failed, throttling for 2.000 secs
> 
> Then trying to connect on port 143 log says:
> 
> Feb 20 17:20:08 master: Error: service(config): command startup failed, throttling for 2.000 secs
> Feb 20 17:20:08 config: Error: Feb 20 17:20:08 service(config): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
> Feb 20 17:20:08 anvil: Fatal: master: service(anvil): child 43250 returned error 89 (Fatal failure)
> Feb 20 17:20:08 config: Fatal: master: service(config): child 52530 returned error 89 (Fatal failure)
> Feb 20 17:20:08 stats: Fatal: master: service(stats): child 52531 returned error 89 (Fatal failure)
> Feb 20 17:20:08 stats: Error: Feb 20 17:20:08 service(stats): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
> Feb 20 17:20:08 master: Error: service(stats): command startup failed, throttling for 2.000 secs
> Feb 20 17:20:10 config: Error: Feb 20 17:20:10 service(config): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
> Feb 20 17:20:10 config: Fatal: master: service(config): child 52532 returned error 89 (Fatal failure)
> Feb 20 17:20:10 master: Error: service(config): command startup failed, throttling for 4.000 secs
> Feb 20 17:20:10 imap-login: Fatal: Error reading configuration: read(/usr/local/var/run/dovecot/config) failed: EOF - Also failed to read config by executing doveconf: /usr/local/var/run/dovecot/config is a UNIX socket (path is from CONFIG_FILE environment)
> Feb 20 17:20:10 master: Error: service(imap-login): command startup failed, throttling for 2.000 secs
> 
> Any suggestions? This is really driving me crazy!
> 
> thanks, James.