Subject: Re: setting up ddb on netbsd 1.6.1 (i386)
To: Sambasiva Rao.B <bsrao@vxindia.veritas.com>
From: Bill Studenmund <wrstuden@netbsd.org>
List: tech-kern
Date: 09/24/2003 16:46:51
On Wed, 24 Sep 2003, Sambasiva Rao.B wrote:

> Nope, changing these options to on/off didn't work.(tried all possible 4
> options though)

I'm sorry I was not clear. Changing these settings won't fix the problem.
Once you have fixed the problem, you will want console-on and tty00-off.

> On Wed, 24 Sep 2003, Bill Studenmund wrote:
>
> > On Wed, 24 Sep 2003, Sambasiva Rao.B wrote:
> >
> > > But on a serial console, sending break not taking into ddb. Does it have
> > > any thing to do with ttys settings? I have these settings
> > >
> > > console "/usr/libexec/getty Pc" vt100 off secure
> > >
> > > tty00 "/usr/libexec/getty std.9600" vt100 on secure local
> >
> > Yes, in that your settings indicate that the kernel doesn't think you have
> > a serial console. Yes, there's a serial terminal, but not console. i.e.
> > with the tty00 line off and the console line on, output goes out the
> > serial port.
> >
> > Look at the boot blocks. For 1.6, I think there were special serial
> > console ones.

As others have mentioned, look at the boot blocks, and installboot. For
1.6.X on i386, I think you want to use the /usr/mdec/biosboot_com0.sym
boot blocks.

Take care,

Bill