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Re: [Bug-xorriso] Error: output file must be given
From: |
Thomas Schmitt |
Subject: |
Re: [Bug-xorriso] Error: output file must be given |
Date: |
Sat, 04 Aug 2012 15:19:26 +0200 |
Hi,
Edvard Hoegner wrote:
> according to a german howto in order to access Win7 from ubuntu 12.04 via
> virtualbox I have to generate a rescue disk. The following problem appears:
>
> address@hidden:~$ sudo grub-mkrescue --modules="linux ext2 fat fshelp ls
> boot pc ntfs" --output=/home/WindowsRAW_GRUB.iso
> ~/WindowsRAWgrubiso.temp
> output file must be given
> Usage: grub-mkrescue [OPTION] SOURCE...
This message stems from the shell script grub-mkrescue and
not from xorriso, which will finally be executed by that script.
I do not know why it does not accept
--output=/home/WindowsRAW_GRUB.iso
as sufficient definition of an output file. That would have to be
found out by studying the script. (But it looks like a bug for now,)
First i would advise you to try the alternative form
-o /home/WindowsRAW_GRUB.iso
Also make sure that you have permission to create this file.
If the problem persists, then you should probably ask the GRUB2
mailing list for advise. See
http://www.gnu.org/software/grub/grub-mailinglist.html
First try
address@hidden
If they cannot help you, then ask at
address@hidden
whether your observation is a bug. In this case be prepared to install
the newest release of GRUB2.
Alternatively to address@hidden we could try to debug the
script ourselves. In this case send me a copy of your grub-mkrescue
in private. (It is not on topic here, but i am willing to support
users of grub-mkrescue as good as i can.)
Have a nice day :)
Thomas