Re: mkbimage && grub && geometry -w

[Robert Millan]

Are you using the most recent version of mkbimage? It can be found
in GRUB CVS directory util/mkbimage

On Tue, Aug 26, 2003 at 04:49:40AM +0100, Greg Buchholz wrote:
> 
>    I've been trying to get a bootable El Torito HD image for booting off
> of CD using grub.  I came across a script (mkbimage) which tries to make
> such an image.  Everthing appears to work fine until it gets to the the
> part where grub is invoked with the "geometry -w ..." option.  The error
> looks like this...
> 
> #####
>     GRUB  version 0.93  (640K lower / 3072K upper memory)
> 
>  [ Minimal BASH-like line editing is supported.  For the first word, TAB
>    lists possible command completions.  Anywhere else TAB lists the
> possible
>    completions of a device/filename. ]
> grub> geometry (hd0) 278 16 63
> drive 0x80: C/H/S = 278/16/63, The number of sectors = 280224, /dev/loop0
>    Partition num: 0,  Filesystem type is ext2fs, partition type 0x83
> grub> root (hd0,0)
>  Filesystem type is ext2fs, partition type 0x83
> grub> setup --stage2=/big/tmp/hd.image1/boot/grub/stage2 (hd0)
>  Checking if "/boot/grub/stage1" exists... yes
>  Checking if "/boot/grub/stage2" exists... yes
>  Checking if "/boot/grub/e2fs_stage1_5" exists... yes
>  Running "embed /boot/grub/e2fs_stage1_5 (hd0)"...  16 sectors are
> embedded.
> succeeded
>  Running "install --stage2=/big/tmp/hd.image1/boot/grub/stage2
> /boot/grub/stage1 (hd0) (hd0)1+16 p (hd0,0)/boot/grub/stage2
> /boot/grub/menu.lst"... succeeded
> Done.
> grub> geometry  -w  (hd0) 278 16 63
> 
> Error 11: Unrecognized device string
> 
> ######
> 
>    I can't seem to find any documentation about the -w switch, and a quick
> glance through the grub source didn't turn up any hints either.  Is the -w
> switch vital to the whole process?  When I invoke the geometry command
> without the -w, everything seems to go okay, but the image it produces
> doesn't boot.  Any hints?  I'm using Linux 2.4.19, grub 0.93, and mkbimage
> v 1.16 dated 2003/03/02 from...
> 
> http://corpus.polynum.org/admin/mkbimage
> 
> Any help would be appreciated.  I also noticed that the script is
> hard-coded to use /sbin/sfdisk, but at least on my system (slackware 8.0),
> sfdisk is located in /usr/sbin/.  Also, when there is more than one copy
> of stage2 in the tar file, "find" locates them both and screws up the
> logic for the rest of the script.
> 
> 
> Thanks,
> 
> Greg Buchholz
> 
> 
> _______________________________________________
> Bug-grub mailing list
> address@hidden
> http://mail.gnu.org/mailman/listinfo/bug-grub

-- 
Robert Millan

"[..] but the delight and pride of Aule is in the deed of making, and in the
thing made, and neither in possession nor in his own mastery; wherefore he
gives and hoards not, and is free from care, passing ever on to some new work."

 -- J.R.R.T, Ainulindale (Silmarillion)