Re: [slackware-alphadevel] troubles with bootable cd

From: Octave Orgeron (unixconsole@yahoo.com)
Date: Sat Nov 04 2000 - 17:39:24 PST


Hi Chris,

I found this small doc on the alphalinux site. I have
not tried it out, but it might be helpful:
http://www.alphalinux.org/docs/bootable_cd.shtml

If not, let me know and I'll try to recreate a
bootable cd for suse.

--- Chris Lumens <chris@slackware.com> wrote:
> I'm hoping that someone around here will be able to
> help me with this
> problem. I'm trying to make a bootable cd, where
> there's a kernel image
> on the disc to boot and a ramdisk image that needs
> to be loaded as the
> root filesystem. Here's the process I've been
> using:
>
> - Make a kernel with "make boot".
> - Put that kernel into the
> /kernels/generic.s/vmlinux.gz, of the root
> directory of what will become the ISO image.
> - Place the bootlx file created by building aboot
> into the root of the
> ISO filesystem.
> - Place the compressed ramdisk image into
> /images/color.gz of the ISO
> filesystem.
> - Make the ISO image using mkisofs as follows:
>
> mkisofs -o /tmp/install.iso -R -V "Slackware
> Alpha Install" \
> -v -T -d -D -N -L \
> -m source \
> -P "BSDi" \
> -p "Chris Lumens <chris@slackware.com>" \
> -A "Slackware -current `date +%d-%b-%y`"
> \
> /ALPHA/slackware-alpha/slackware-current
>
> (In case you're wondering, the cd is setup up
> just like the Intel
> version as far as the directory structure).
> - Run isomarkboot as follows:
>
> isomarkboot /tmp/install.iso bootlx
>
> Then I burn the disc and attempt to boot it from SRM
> as follows:
>
> boot dqa0 -file /kernels/generic.s/vmlinux.gz \
> -flags "root=/dev/ram
> initrd=/images/color.gz"
>
> It sits there for a while, says that it's found a
> valid boot block on the
> cd, spits out some numbers about the iso image, then
> says "kernel stack
> not valid halt" and drops me back to the firmware
> prompt.
>
> I've been able to boot a kernel off the hard drive
> and load the ramdisk
> and mount it, so it's not a problem with that. I'm
> not really sure what
> the problem is. But as soon as I can figure this
> part out, I'll be ready
> to sync everything, cron up an iso, and open access
> to the rsync server.
> Has anyone seen this before and knows what I am
> doing wrong?
>
> --
> Chris Lumens - chris@slackware.com - KG6CIH
>
@n=(-42,-85,-83,-19,65,2,-10,-10,-15,-3,2,-10,73,-4,8,-4,2,79,8,17,15,7,14,2);
> print map{chr(-$n[$i++]+ord)} sort(split(//,'place
> random string here')),"\n";
>

=====
******************************************************
* Octave J. Orgeron * Specializing in : *
* Unix Systems Administrator * Solaris/Tru64/Linux *
* Sun Microsystems, Inc. * Certified Solaris *
* octave@sun.com * Systems Administrator *
******************************************************

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