Need advise on how to mount certain CD's

Roland Smith rsmith at
Tue Jun 9 19:07:30 UTC 2009

On Tue, Jun 09, 2009 at 08:53:12PM +0200, Leslie Jensen wrote:
> Hello list
> I've got a CD-R from a friend, (who runs windows) that I cannot mount on 
> my 7.2-RELEASE system. It's readable in another windows machine.
> Other CD and DVD's is no problem but this one is.
> The error I get is:
> mount -t cd9660 /dev/acd0 /cdrom
> mount_cd9660: /dev/acd0: Invalid argument
> I've Googled and read the handbook but I think my settings are ok.
> Any suggestions?

Is your friend running MS "vista" by any chance? 
Because that version by default now uses an UDF-based "live file system"

Try mount_udf, or tell your friend to make a proper CD filesystem
(called "mastered" in MS parlance).

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