Subject: Re: Serial breaks
To: None <port-vax@netbsd.org>
From: Rowdy <rowdy@netspace.net.au>
List: port-vax
Date: 04/08/2006 16:40:54
A. Wik wrote:
> Although slow in comparison with rlogin/telnet, the serial
> console is by far more reliable and comes in handy at times.
> The problem is what befalls the VAX whenever the PC on the
> other end of the cable is rebooted (or powered on).  As part
> of its initialisation procedures, the PC BIOS appears to send
> "break" characters/sequences (what exactly is it?) down the
> serial cable, and the VAXstation responds by halting to the
> ">>>"-prompt of the firmware.  (Often the situation remains
> undetected+uncorrected until I need DNS-services or someone
> else complains about "Internet" not working...)
> 
> Can this "feature" be disabled?  How?
> 
> -aw
> 
> 

The solution that worked for me with NetBSD/alpha 3.0 was to compile a
kernel with:

options DDB_FROMCONSOLE=0

as explained here:

http://mail-index.netbsd.org/port-alpha/2005/01/04/0000.html

Worked like a charm on a DEC 3000/700, might work also for a VAX :)

Rowdy