In xconsole I run from my ~/.xinitrc
I see the following messages.

I login to the system using xdm which is enabled
by setting xdm=yes in /etc/rc.conf.

Is something wrong with NetBSD's xdm?
It is from NetBSD's xsrc.


   NetBSD/i386 (chen.chizhovka.net) (console)

   login: 
   NetBSD/i386 (chen.chizhovka.net) (console)

   login: Oct  8 00:00:36 init: getty repeating too quickly on port `/dev/console', sleeping

   NetBSD/i386 (chen.chizhovka.net) (console)

   login: 
   NetBSD/i386 (chen.chizhovka.net) (console)

   login: Oct  8 00:01:10 init: getty repeating too quickly on port `/dev/console', sleeping

   NetBSD/i386 (chen.chizhovka.net) (console)

   ... these messages are repeated infinitely ...


my /etc/ttys:
console "/usr/libexec/getty Pc"         wsvt25  on secure
ttyE0   "/usr/libexec/getty Pc"         wsvt25m on secure
ttyE1   "/usr/libexec/getty Pc"         vt220   on secure
ttyE2   "/usr/libexec/getty Pc"         vt220   on secure
ttyE3   "/usr/libexec/getty Pc"         vt220   on secure
tty00   "/usr/libexec/getty std.9600"   unknown off secure
tty01   "/usr/libexec/getty std.9600"   unknown off secure
tty02   "/usr/libexec/getty std.9600"   unknown off secure
tty03   "/usr/libexec/getty std.9600"   unknown off secure
tty04   "/usr/libexec/getty std.9600"   unknown off secure
tty05   "/usr/libexec/getty std.9600"   unknown off secure
tty06   "/usr/libexec/getty std.9600"   unknown off secure
tty07   "/usr/libexec/getty std.9600"   unknown off secure

-- 
Best regards, Aleksey Cheusov.