From mboxrd@z Thu Jan  1 00:00:00 1970
From: Harald Hoyer <harald.hoyer-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: Unable to boot Fedora 15 Live iso image from grub2 (iso-scan/filename
 kernel parameter)
Date: Thu, 21 Jul 2011 10:57:45 +0200
Message-ID: <4E27EA09.3080302@gmail.com>
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To: jaivuk <jaivuk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: initramfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org

On 21.07.2011 10:53, jaivuk wrote:
> Hi guys,
> 
> I tried to boot Fedora live ISO in form of ISO image from USB
> partition (FAT32) where I have grub2 installed but still no luck.
> 
> I opened new ticket for this issue:
> https://bugzilla.redhat.com/show_bug.cgi?id=723801
> 
> I ended up in dracut shell and I tried to mount root manually - I was
> successful with that but I still cannot boot:
> 
> mkdir -p /liveiso
> mount /dev/disk/by-uuid/1234-ABCD /root
> losetup -f --show /root/Fedora-15-i686-Live-XFCE.iso
> #displayed: /dev/loop0
> mount -t auto -o -ro /dev/loop0 /liveiso
> #image is mounted to /liveiso
> exit
> #Now I get the same error message - No root device ... found
> 
> Do you think I'm missing some additional commands?
> 
> Thank you,
> 
> Jaiv
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I will implement the missing pieces.. stay tuned.
Btw, Fedora != Ubuntu... you are trying to use kernel command line parameter for
the ubuntu initramfs.