Re: Unable to install grub on an image

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 12/07/2010 07:31 PM, kashyap garimella wrote:
> Hello everybody,
>
> I want to install grub on an image. I created an image and formatted
> it using fdisk(to create partition table) and mkfs.ext3 to create an
> ext3 partition. I followed the instructions from this wiki page:
> http://wiki.osdev.org/Loopback_Device
> Then I installed grub.
>
> Following are the list of commands:
> $dd if=/dev/zero of=floppy.img bs=516096c count=1000
> $fdisk -u -C1000 -S63 -H16 floppy.img # And create a partition table,
> following the link http://wiki.osdev.org/Loopback_Device
> $losetup /dev/loop0 floppy.img -o0
> $losetup /dev/loop1 floppy.img -o32256 # the ext3 partition starts
> from 63 sector(32256=63*512)
> $mkfs.ext3 /dev/loop1
> $mkdir mnt; mount /dev/loop1 mnt/
> $mkdir -p mnt/boot/grub
> $echo "(hd0) /dev/loop0" > mnt/boot/grub/device.map
> $grub-install --root-directory=mnt /dev/loop0
> Installation finished. No error reported.
>
In such config GRUB is unable to detect partitions. Either add
--modules=part_msdos or use experimental and kpartx
> And then I ran qemu on the image:
> qemu -hda /dev/loop0
>
> I get the following error:
> error: no such device: ba16366d-55d7-445d-99e8-e4cd25287b16
>
> I checked the UUID using blkid and it is same UUID in the error. I
> don't know why grub is unable to find that partition. Here are the
> results of fdisk and blkid:
> $fdisk -l /dev/loop0 
>
> Disk /dev/loop0: 516 MB, 516096000 bytes
> 16 heads, 63 sectors/track, 1000 cylinders
> Units = cylinders of 1008 * 512 = 516096 bytes
> Disk identifier: 0x0e5173d2
>
>       Device Boot      Start         End      Blocks   Id  System
> /dev/loop0p1   *           1        1000      503968+  83  Linux
>
> $blkid /dev/loop1
> /dev/loop1: UUID="ba16366d-55d7-445d-99e8-e4cd25287b16"
> SEC_TYPE="ext2" TYPE="ext3" LABEL="-v" 
>
> I am using the latest stable grub:
> $grub-install --version
> grub-install (GRUB) 1.99~beta0
>
> Can somebody help me in this. I am struggling to fix this from long time.
>
> Thanks,
> Kashyap Garimella
>
>
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>   


-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko

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