[wplug] Contents of CD missing in Linux, not XP

Eric Cooper ecc at cmu.edu
Fri Sep 30 08:39:07 EDT 2005


On Fri, Sep 30, 2005 at 01:33:46AM -0400, Brian A. Seklecki wrote:
> 
> > Sep 28 10:27:12 miles ISO 9660 Extensions: Microsoft Joliet
> > Level 1
> [...]
> > Sep 28 10:27:12 miles ISOFS: changing to secondary root
> 
> Changing to secondary root?  Is this a multi-session disc? I sincerely
> doubt Linux properly supports multi-session ISO9660.

I just encountered this same problem when mounting a Windows install
CD for a new gadget I bought.  Nothing showed up, but looking at the
disc with hexdump showed that the data was there.

I finally found the answer: try mounting the CD with the "norock"
option to disable RockRidge:
	 mount -t iso9660 /dev/cdrom /media/cdrom -o norock

The CD creator probably used various "mkisofs -hide" options to make
different views of the contents visible to different platforms.

-- 
Eric Cooper             e c c @ c m u . e d u


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