Subject: Re: WSDISPLAY_SCROLLSUPPORT number of lines adjustment.
To: Matthew Mondor <mm_lists@pulsar-zone.net>
From: Denis Lagno <dlagno@rambler.ru>
List: tech-kern
Date: 07/23/2005 12:03:01
On Sat, Jul 23, 2005 at 03:42:55AM -0400, Matthew Mondor scribed:
> On Sat, 23 Jul 2005 01:50:53 -0500
> Eric Haszlakiewicz <erh@jodi.nimenees.com> wrote:
> 
> > 	normal?  That sounds like a bug to me.  I was thinking that I'd
> > 	be able
> > to let my machine boot normally, including start X, then be able to
> > switch back to the text screen and see the boot messages.
> > Why does the scroll back buffer get cleared?  Would it be hard to
> > change that
> 
> There's always dmesg, /var/run/dmesg.boot and /var/log/ :) With
> screen(1), I never found that such a scrolling buffer feature was
> necessary, also.  Of course /dev/console is a special case which can get
> kernel messages, but those are available in the dmesg buffer so are not
> lost

actually you are not quite right.
Output of rc scripts is not logged by base NetBSD system.
So it is lost unless you use serial console attached to second box.

OTOH fixing this behaviour of SCROLL can slow down things.