Auth process sometimes stop responding after upgrade

[Sami Ketola]

> On 7 Sep 2018, at 11.00, Simone Lazzaris <s.lazzaris at interactive.eu> wrote:
> 
> 
> The only suspect thing is this:
> 
> Sep  6 14:45:41 imap-front13 dovecot: director: doveadm: Host 192.168.1.142 
> vhost count changed from 100 to 0
> Sep  6 14:45:41 imap-front13 dovecot: director: doveadm: Host 192.168.1.143 
> vhost count changed from 100 to 0
> Sep  6 14:45:41 imap-front13 dovecot: director: doveadm: Host 192.168.1.219 
> vhost count changed from 100 to 0
> 
> Nothing on the other system logs (e.g. kernel, daemon, syslog, messages ....).

Any idea what is changing the vhost count on the backends? Do you have some script running that possibly does change the vhost count for some triggering event?

Sami