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

[Don Feliciano]

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 <aki.tuomi at open-xchange.com> 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 <don.feliciano at icloud.com> 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 <aki.tuomi at open-xchange.com> wrote:
>>> 
>>> 
>>> Do you get exactly same error message with that config or something else?
>>> 
>>> Aki
>>> 
>>> 
>>>> On 01/11/2021 14:39 Don Feliciano <don.feliciano at icloud.com> 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_limit = 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/Preboot (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
>> 
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