Re: Booteable CD from partboot-1.2.11.img

[Andrew Clausen]

Ruediger Nitsch wrote:
> 
> Hi Andrew,
> 
> the boot disk from  partboot-1.2.11.img works fine on my desktop, but my
> notebook doesn't have a floppy drive, instead it has a cd-rom drive. I have
> tried to build a booteable cd from the floppy with the procedure described in
> the CD-Writing-Howto
> (http://howto.tucows.com/LDP/HOWTO/CD-Writing-HOWTO-4.html#ss4.11) and the
> docu of mkisofs and cdrecord. But this fails, the screen of my notebook looks
> like this:
> 
> Loading......................................
> Uncompressing Linux...
> 
> invalid compressed format (err=1)
> 
>  -- System halted
> 
> Do you have any ideas?
> 
> BTW: I can't mount the img file via the loop device, because mount can't auto
> detect the filesystem. Wich filesystem do you use for the img file?

It's ext2, but it starts on block 618 (i.e. 618k in), and it's compressed with
gzip.

Maybe the problem is the kernel is trying to look on the floppy disk.
Try:

        # rdev /dev/fd0 /dev/cdrom

This may not be the problem though.  You see: the boot disk doesn't use a boot
loader - it just uses the kernel's dodgey bootstrap stuff.  I have no idea
if it's compatible with your CD drive, or whatever...

I can't think of anything else at the moment...

Andrew Clausen