[EXT] SOLVED: Re: Dovecot does not start on MacOS 12.01

[Aki Tuomi]

I think this is happening because MacOS no longer supports RLIMIT_DATA. We'll try to look into this. default_vsz_limit = 0 seems good enough workaround.

Aki

> On 01/11/2021 14:53 Don Feliciano <don.feliciano at icloud.com> wrote:
> 
> 
> 2G fails.
> 
> This must be some change in MacOS 12 (Monterey). I have been running Dovecot for 10 years on MacOS with the same config, and only after upgrading to 12.0 did this issue surface.
> 
> > On Nov 1, 2021, at 8:47 AM, Aki Tuomi wrote:
> > 
> > Ok... so for some reason the default_vsz_limit is too low for MacOS.
> > 
> > Can you try
> > 
> > default_vsz_limit = 2G?
> > 
> > We don't recommend setting it to 0.
> > 
> > Aki
> > 
> >> On 01/11/2021 14:45 Don Feliciano wrote:
> >> 
> >> 
> >> Different:
> >> 
> >> Nov 01 08:44:36 master: Error: service(imap-login): command startup failed, throttling for 8.000 secs
> >> Nov 01 08:44:36 imap-login: Fatal: master: service(imap-login): child 17371 returned error 89 (Fatal failure)
> >> 
> >> 
> >>> On Nov 1, 2021, at 8:42 AM, Aki Tuomi wrote:
> >>> 
> >>> 
> >>> Do you get exactly same error message with that config or something else?
> >>> 
> >>> Aki
> >>> 
> >>> 
> >>>> On 01/11/2021 14:39 Don Feliciano wrote:
> >>>> 
> >>>> 
> >>>> I just tried that solution, but it doesn't work. Only default_vsz_limit = 0 seems to work.
> >>>> 
> >>>> 
> >>>>> On Nov 1, 2021, at 2:38 AM, Aki Tuomi wrote:
> >>>>> 
> >>>>> Hi!
> >>>>> 
> >>>>> That solution is bit overly broad way to solve this, I would instead recommend
> >>>>> 
> >>>>> service log {
> >>>>> vsz_limit = 0
> >>>>> }
> >>>>> 
> >>>>> so that only service log is affected.
> >>>>> 
> >>>>> Aki
> >>>>> 
> >>>>> 
> >>>>>> On 31/10/2021 20:36 Don Feliciano wrote:
> >>>>>> 
> >>>>>> 
> >>>>>> 
> >>>>>> A kind person who isn’t on the mailing list share the solution to this with me:
> >>>>>> 
> >>>>>> default_vsz_limi t = 0
> >>>>>> 
> >>>>>> 
> >>>>>> 
> >>>>>>> On Oct 28, 2021, at 12:12 PM, Don Feliciano wrote:
> >>>>>>> 
> >>>>>>> Same issue in 2.3.17
> >>>>>>> 
> >>>>>>> dovecot-2.3.17.tar.gz:
> >>>>>>> ./configure --prefix=/usr/local/Cellar/dovecot/ 2.3.17 --libexecdir=/usr/local/Cellar/dovecot/2.3.17/libexec --sysconfdir=/usr/local/etc --localstatedir=/usr
> >>>>>>> make install
> >>>>>>> 
> >>>>>>> dovecot-2.3-pigeonhole-0.5.17.tar.gz:
> >>>>>>> ./configure --with-dovecot=/usr/local/Cellar/dovecot/2.3.17/lib/dovecot --prefix=/usr/local/Cellar/dovecot/2.3.17
> >>>>>>> make
> >>>>>>> make install
> >>>>>>> 
> >>>>>>> sudo /usr/local/opt/dovecot/sbin/dovecot -F
> >>>>>>> Warning: fd limit (ulimit -n) is lower than required under max. load (256 < 1000), because of default_client_limit
> >>>>>>> Oct 28 12:08:48 service(log): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
> >>>>>>> 
> >>>>>>> 
> >>>>>>> 
> >>>>>>>> On Oct 27, 2021, at 11: 08 AM, Don Feliciano wrote:
> >>>>>>>> 
> >>>>>>>> 
> >>>>>>>> I've been happily running Dovecot on my Mac for many years (installed via Homebrew). After upgrading to Monterey (MacOS 12.01), it no longer starts:
> >>>>>>>> 
> >>>>>>>> $ sw_vers
> >>>>>>>> ProductName: macOS
> >>>>>>>> ProductVersion: 12.0.1
> >>>>>>>> BuildVersion: 21A559
> >>>>>>>> 
> >>>>>>>> $ uname -a
> >>>>>>>> Darwin dfelicia-mac 21.1.0 Darwin Kernel Version 21.1.0: Wed Oct 13 17:33:23 PDT 2021; root:xnu-8019.41.5~1/RELEASE_X86_64 x86_64
> >>>>>>>> 
> >>>>>>>> $ sudo dovecot -F
> >>>>>>>> Oct 27 10:11:18 service(log): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
> >>>>>>>> 
> >>>>>>>> $ mount
> >>>>>>>> /dev/disk1s2s1 on / (apfs, sealed, local, read-only, journaled)
> >>>>>>>> devfs on /dev (devfs, local, nobrowse)
> >>>>>>>> /dev/disk1s5 on /System/Volumes/VM (apfs, local, noexec, journaled, noatime, nobrowse)
> >>>>>>>> /dev/disk1s3 on /System/Volumes/Pre boot (apfs, local, journaled, nobrowse)
> >>>>>>>> /dev/disk1s6 on /System/Volumes/Update (apfs, local, jour naled, nobrowse)
> >>>>>>>> /dev/disk1s1 on /System/Volumes/Data (apfs, local, journaled, nobrowse)
> >>>>>>>> 
> >>>>>>>> $ sudo dovecot -n
> >>>>>>>> # 2.3.16 (7e2e900c1a): /usr/local/etc/dovecot/dovecot.conf
> >>>>>>>> # Pigeonhole version 0.5.16 (09c29328)
> >>>>>>>> # OS: Darw in 21.1.0 x86_64 apfs
> >>>>>>>> # Hostname: dfelicia-mac
> >>>>>>>> default_internal_group = mail
> >>>>>>>> default_internal_user = _dovecot
> >>>>>>>> default_login_user = _dovenull
> >>>>>>>> first_valid_uid = 100
> >>>>>>>> listen = 127.0.0.1
> >>>>>>>> log_path = /var/log/dovecot.log
> >>>>>>>> mail_location = maildir:/usr/local/var/mail/%u
> >>>>>>>> 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 index ihave duplicate mime foreverypart extracttext
> >>>>>>>> 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 = login
> >>>>>>>> driver = pam
> >>>>>>>> }
> >>>>>>>> protocols = imap
> >>>>>>>> service imap-login {
> >>>>>>>> inet_listener imap {
> >>>>>>>> address = 127.0.0.1
> >>>>>>>> port = 143
> >>>>>>>> }
> >>>>>>>> inet_listener imaps {
> >>>>>>>> address = 127.0.0.1
> >>>>>>>> ssl = no
> >>>>>>>> }
> >>>>>>>> }
> >>>>>>>> ssl = no
> >>>>>>>> userdb {
> >>>>>>>> driver = passwd
> >>>>>>>> }
> >>>>>>>> 
> >>>>>>>> $ ulimit -Ha
> >>>>>>>> core file size (blocks, -c) unlimited
> >>>>>>>> data seg size (kbytes, -d) unlimited
> >>>>>>>> file size (blocks, -f) unlimited
> >>>>>>>> max locked memory (kbytes, -l) unlimited
> >>>>>>>> max memory size (kbytes, -m) unlimited
> >>>>>>>> open files (-n) unlimited
> >>>>>>>> pipe size (512 bytes, -p) 1
> >>>>>>>> stack size (kbytes, -s) 65532
> >>>>>>>> cpu time (seconds, -t) unlimited
> >>>>>>>> max user processes (-u) 2784
> >>>>>>>> virtual memory (kbytes, -v) unlimited
> >>