Subject: Re: unattended cdboot
To: None <current-users@netbsd.org>
From: David Young <dyoung@pobox.com>
List: current-users
Date: 08/23/2005 18:27:29
On Wed, Aug 24, 2005 at 05:52:57AM +0900, Bang Jun-Young wrote:
> Sorry for a long silence. I was away from my NetBSD partition for last week.
> 
> David Young wrote:
> > On Thu, Aug 18, 2005 at 03:38:57PM -0500, David Young wrote:
> > > On Wed, Jul 20, 2005 at 02:27:12PM +0900, Bang Jun-Young wrote:
> > > > > I think it is a reasonable compromise for all of our needs, if the
> > > > > keypress is configurable with, say, an installboot(8) option.
> > > > 
> > > > It's not possible to install cdboot to CD-ROM by using installboot
> > > > since CD-ROM is read-only media.
> > > 
> > > One would installboot to the CD-ROM image before recording the CD-ROM.
> > > I run installboot(8) on Compactflash images all of the time.
> > > 
> > > ***
> > > 
> > > I just tried to boot an ISO9660 filesystem created by makefs like so:
> > > 
> > > % $TOOL_MAKEFS -x -F $DESTDIR/metalog.image -N $INSTDIR/etc -t cd9660 \
> > >     -o "rockridge,bootimage=i386;$DESTDIR/usr/mdec/cdboot,no-emul-boot"\
> > >     $ISO $INSTDIR
> > > 
> > > The CD-ROM would boot neither qemu nor a laptop.  On the laptop, it
> > > complained that it could not find /boot (/boot is in there!).  On qemu,
> > > I do not see any progress after cdboot displays its banner.  If you will
> > > contact me privately, I will provide you with the ISO image.
> > 
> > I think I have figured it out.  There is a standards-compliance bug in
> > makefs, in that it omits trailing periods.  So /boot is recorded as BOOT;1
> > instead of BOOT.;1, as cdboot expects.  I believe I know how to fix that.
> 
> Sounds good. Was it checked in?

I still cannot get qemu to boot the resulting image.  I will try again
with a non-virtual CD-ROM, soon.

Dave

-- 
David Young             OJC Technologies
dyoung@ojctech.com      Urbana, IL * (217) 278-3933