Dovecot v2.2.25 crashed on startup in Mac OSX

I built from dovecot-2.2.25.tar.gz on Mac OSX 10.11.15 (El Capitan) the usual way:

CFLAGS=-I/usr/local/ssl/include LDFLAGS=-L/usr/local/ssl/lib ./configure
make
sudo make install
sudo /usr/local/sbin/dovecot

It consistently crash on startup with the following entries in /var/log/mail.log (edited backtrace):

Jul 27 07:39:26 macbook-pro dovecot[70234]: master: Dovecot v2.2.25 (7be1766) starting up for imap, pop3, lmtp Jul 27 07:39:26 macbook-pro dovecot[70234]: master: Panic: kevent(EV_ADD, READ, 60) failed: Bad file descriptor Jul 27 07:39:26 macbook-pro dovecot[70234]: master: Error: Raw backtrace: 2 libdovecot.0.dylib 0x00000001000dc3fb default_fatal_finish + 43 -> 3 libdovecot.0.dylib 0x00000001000dd4e0 syslog_handler + 0 -> 4 dovecot 0x0000000100026f8d master_fatal_callback + 429 -> 5 libdovecot.0.dylib 0x00000001000dca9f i_panic + 415 -> 6 libdovecot.0.dylib 0x00000001000ff022 io_loop_handle_add + 194 -> 7 libdovecot.0.dylib 0x00000001000fb5f1 io_add_file lib_signals_set_handler + 355

• 385 -> 8 libdovecot.0.dylib 0x00000001000fb456 io_add + 118 -> 9 libdovecot.0.dylib 0x0000000100102b83

-> 10 dovecot 0x0000000100027070 main_init + 112 -> 11 dovecot 0x0000000100026628 main + 2024 -> 12 libdyld.dylib 0x00007fff889ac5ad start + 1

It looks similar to this report:

http://article.gmane.org/gmane.mail.imap.dovecot/86319/match=panic+kevent

HomeBrew installed 2.2.24, and it works in my Mac. Can someone confirm this is a bug?

I also built 2.2.25 with debug, but can't make it break at line iolook-kqueue.c:67

i_panic("kevent(EV_ADD, READ, %d) failed: %m", io->fd);

Thanks

--mc .

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