Subject: Re: serial console and spurious breaks
To: Emmanuel Dreyfus <manu@netbsd.org>
From: Thor Lancelot Simon <tls@rek.tjls.com>
List: netbsd-users
Date: 07/23/2007 11:00:54
On Mon, Jul 23, 2007 at 02:00:46PM +0000, Emmanuel Dreyfus wrote:
> Hello
>=20
> I have several NetBSD/macppc and NetBSD/amd64 machines using serial conso=
les.
> If I unplug the serial port, or if I power cycle the serial remote device=
, o
> the NetBSD box will catch a BREAK on the console, and will drop in ddb.=
=20

This is why we have the hw.cnmagic sysctl setting.  I generally set it to
=01ddb (<control-a>ddb) on my systems.