Re: /usr/bin/tip + serial console?

[matthew sporleder <msporleder%gmail.com@localhost>]

On Tue, Feb 3, 2009 at 11:03 AM, Martin Husemann <martin%duskware.de@localhost> 
wrote:
> On Tue, Feb 03, 2009 at 03:50:35PM +0000, raymond.meyer%rambler.ru@localhost 
> wrote:
>
>> How can I set it up so that when the keyboard is plugged in, I can see boot
>> messages on serial console and use kernel debugger when the kernel panics?
>
> So you want console on the serial, and still run getty on ttyE*.
> At the ok> prompt do something like:
>
>  ok> setenv output-device ttya
>  ok> setenv input-device ttya
>  ok> reset
>
> It should now power up with OF and the kernel boot messages on the serial
> connection. Next make sure you have the proper ttyE0 .. ttyE3 and console
> lines all enabled in /etc/ttys.
>
> Beware, however, that now powering on/off your i386 machine likely will send
> a break on the serial line causing a drop to ddb.
>
> Martin
>

You can set an alternate break sequence with solaris.  I'm not sure if
netbsd ever got this capability, though.