On Sat, Jun 27, 2009 at 12:39 PM, Yves BLUSSEAU<cl7m42...@sneakemail.com> wrote:
> Hi,
>
> i'm trying to install grub2 to a partition instead of the MBR (i known it's
> a bad idea, but i need to chainload grub2 from another bootloader).
I would rather chainload other bootloader from grub2. If you use
another bootloader because of a specific feature speak about it here
perhaps someone will be interested to implement it in grub2
> The problem is when i try to install the boot stages with grub-setup i have
> this error:
>
> /usr/local/sbin/grub2-setup -v --force --directory=/tmp/mnt/boot/grub2
> --device-map=/tmp/mnt/boot/grub2/device.map '(hd2,2)'
>
> grub-setup: error: Cannot read `/tmp/mnt/boot/grub2/core.img' correctly
>
>
> The problem came from line 405 of grub-setup.c
> core_path_dev = grub_util_get_path (dir, core_file);
>
> core_path_dev need to contain the path AND the device to the core file, but
> it's only a "concatenation" of dir and core_file.
>
> In my case it contain /tmp/mnt/boot/grub2/core.img so when grub try to read
> the core image FROM grub it can't: grub_file_open return with an error
> because it don't know the device.
>
> core_path_dev need to be (hd2,2)//tmp/mnt/boot/grub2/core.img in my case to
> work.
>
> Can someone fix this bug ?
use patch by Felix Zielcke
>
> Another think i don't understand is that i don't see where the blocklists
> are saved because at this end of grub-setup.c (line 520):
> fp = fopen (core_path, "r+b");
> if (! fp)
> grub_util_error ("Cannot open `%s'", core_path);
>
> grub_util_write_image (core_img, GRUB_DISK_SECTOR_SIZE * 2, fp);
>
> the core file is open in read mode so no datas can be written.
>
> I hope that this can help you.
>
> Yves Blusseau
>
>
> _______________________________________________
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> Grub-devel@gnu.org
> http://lists.gnu.org/mailman/listinfo/grub-devel
>
--
Regards
Vladimir 'phcoder' Serbinenko
Personal git repository: http://repo.or.cz/w/grub2/phcoder.git
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