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From: "Yoshinori K. Okuji" <okuji@enbug.org>
Organization: enbug.org
To: The development of GRUB 2 <grub-devel@gnu.org>
Date: Tue, 2 Aug 2005 21:59:26 +0200
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Subject: Re: grub-probefs
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On Tuesday 02 August 2005 14:38, Vladimir Serbinenko wrote:
> I tested it. As I understand the syntax is
>
> ./grub-probefs -m <device map> <GRUB file>

The argument can be a file or a directory.

> I have my GRUB floppy image mounted on ../../mnt (from current path)
> I tried:
>
> $ ./grub-probefs -m ./device.map \(fd0\)/boot/grub/core.img
> grub-probefs: error: Cannot stat `(fd0)/boot/grub/core.img'
>
> And also:
>
> ./grub-probefs -m ./device.map ../../mnt/boot/grub/core.img
> cannot find a GRUB device for ../../mnt/boot/grub/core.img.
>
> my device.map:
>
> (fd0) /home/vova/grub/grub.img
>
> my /etc/fstab:
>
> ....
> /home/vova/grub/grub.img /home/vova/grub/mnt auto
> umask=0,user,iocharset=utf8,noauto,exec,users,loop 0 0
> ....

Currently, it does not work with loopback. I know this problem but I don't 
intend to fix it at the moment. This is the same problem as grub-setup cannot 
guess a root device automatically with loopback.

Okuji