Subject: Re: break on serial port doesn't work?
To: None <list@lostgeneration.freeserve.co.uk, port-sparc@netbsd.org>
From: None <eeh@netbsd.org>
List: port-sparc
Date: 01/31/2002 05:47:06
| On Wed, 30 Jan 2002 19:13:42 -0800 (PST)
| Greywolf <greywolf@starwolf.com> wrote:
|
| > When I tip to the serial console (it's headless) of my SS5, ~# sends the
| > break but this does not have the desired effect of dropping me into
| > the OBP.
| > 
| > This is actually something of a blessing at the moment, as when my
| > inhel box bounces or must be powered, it generates a break on the
| > terminal line in question.
| > 
| > The question is:  What, where, controls this?
|
| Related: when I halt my SS2, I get the OBP message 'type help for help'
| and the 'ok' prompt but the console is locked out - keypresses have no
| effect (this is on serial console). If I need the OBP I have to reboot
| rather than halt and hit break during the memory test.
|
| This doesn't happen with the other bsd's - obsd & sunos.
|
| Is it still a kernel hack to disable access to OBP while the kernel is up?

man cnmagic sysctl

Eduardo