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Date:      Thu, 05 Feb 2009 23:35:32 -0500
From:      Michael Powell <>
Subject:   Re: problem mounting dvd ISO
Message-ID:  <gmgelr$ovp$>
References:  <>

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cguan wrote:

> Hi,
> I'm trying to mount a w2k8 dvd iso image on freebsd 7 using mdconfig and
> mount -t cd9660. the commands appeared to be working fine but when I look
> at the mount point I only see a readme.txt file reads:
> "This disc contains a "UDF" file system and requires an operating system
> that supports the ISO-13346 "UDF" file system specification."
> code:
> #mdconfig -a -t vnode /path/to/w2k8.iso -u 0
> #mount -t cd9660 /dev/md0 /mnt
> #ls /mnt
> readme.txt
> if I use mount_udf, it said "Invalid argument"
> code
> #mount -t udf  /dev/md0 /mnt
> mount_udf: /dev/md0: Invalid argument
> However, mounting a CD iso image using the same way is fine.
> How do I solve this problem? I have been googling for a couple of hours
> but can fine an answer.
> thanks,
> Calvin

Have you tried loading the udf module, e.g., kldload udf.ko and maybe the 
udf_iconv.ko prior to trying the mount command?


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