[Dovecot] Dovecot stops with "Fatal: kevent(): Invalid argument"

[Henrik Larsson]

> # 2.0.11: /usr/local/etc/dovecot/dovecot.conf
> # OS: FreeBSD 8.2-STABLE amd64
>
> Dovecot stops with the following logged:
> - master: Fatal: kevent(): Invalid argument
>
> I have found that a diff was created for "src/lib/ioloop-kqueue.c" for 
> a similar issue:
> http://dovecot.org/pipermail/dovecot/2010-November/054855.html
>
> I have patched my system with this and haven't seen the problem since, 
> but I don't know if this is a coincidence. Could you please explain if 
> the diff should actually fix anything or just add some more logging in 
> case it stops again?

And if this is a fix, why isn't it included in 2.0.11, I think it was 
created for 2.0.6.

Best regards
Henrik Larsson