"Unable to identify CD-ROM format"

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10-10-2007

#1 (permalink)

Daan

Linux User

Join Date: Aug 2005

Location: The Netherlands

Posts: 291

"Unable to identify CD-ROM format"

I'm trying to mount an iso cd image, but I do not succeed. Google doesn't give any answers either. Can you help me?

Here's what I've tried:

Code:

thrix:/home/daan# mount -t iso9660 -o loop /home/daan/cd.iso /mnt/iso
mount: wrong fs type, bad option, bad superblock on /dev/loop0,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

thrix:/home/daan# ls -l /mnt/iso
total 0
thrix:/home/daan# dmesg | tail
Unable to identify CD-ROM format.
Unable to identify CD-ROM format.
Unable to identify CD-ROM format.
Unable to identify CD-ROM format.
Unable to identify CD-ROM format.
Unable to identify CD-ROM format.
Unable to identify CD-ROM format.
Unable to identify CD-ROM format.
Unable to identify CD-ROM format.
Unable to identify CD-ROM format.
thrix:/home/daan#

10-10-2007	#2 (permalink)
iwanabeguru Linux User Join Date: Feb 2006 Posts: 484	check the output of the file command and post it to here file cd.iso it will detect the file format.

10-11-2007	#3 (permalink)
Daan Linux User Join Date: Aug 2005 Location: The Netherlands Posts: 291	Hi Iwanabeguru, thanks for helping out. Code: thrix:/home/daan/# file cd.iso cd.iso: data thrix:/home/daan/#

10-12-2007	#4 (permalink)
iwanabeguru Linux User Join Date: Feb 2006 Posts: 484	thats the problem it's not a cd.iso image file its only data in an img file check this link and when you extract the data succesfully make a cdiso from it with mkisofs. extract .img - Ubuntu Forums man dd man mkisofs

10-16-2007	#5 (permalink)
Daan Linux User Join Date: Aug 2005 Location: The Netherlands Posts: 291	Thanks, that was very helpful.

06-06-2009

#6 (permalink)

Poyntz

Just Joined!

Join Date: May 2009

Posts: 2

Quote:

Originally Posted by Daan

Thanks, that was very helpful.

You're lucky. I read the thread but getting jumbled up machine code was all I was able to see from my usb hard drive after executing the command :/

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