This has happened to me.  The problem was with the file system
startsector.  By default, mount_cd9660 uses a default of 15112. I had to
use mount_cd9660 along with -s startsector.

Here is how I used cdcontrol to get the right startsector for a
particular track...

# mount_cd9660 -v /dev/acd0 /mnt
using starting sector 15112
mount_cd9660: /dev/acd0: Invalid argument
# cdcontrol
cdcontrol> info
Starting track = 1, ending track = 3, TOC size = 34 bytes
track     start  duration   block  length   type
-------------------------------------------------
    1   0:02.00   3:15.35       0   14660   data
    2   3:17.35   0:06.02   14660     452   data
    3   3:23.37  11:02.37   15112   49687   data
  170  14:25.74         -   64799       -      -

If I changed the startsector to 0, I saw the root FS and some data but
no folders.  I had to use -s 14660.  

So the solution for me was:
root:/# mount_cd9660 -v -s 14660 /dev/acd0 /mnt

Hope this helps.

-Victor

On Fri, 2004-06-04 at 22:44, Bruce Hunter wrote:
> I am having problems mounting my cdrom drive.
> 
> i have also run the command 
> mount_cd9660, and this is the result
> 
> [EMAIL PROTECTED] mount_cd9660 /dev/acd0 /cdrom/
> mount_cd9660: /dev/acd0: Invalid argument
> 
> this is with the mount command
> 
> [EMAIL PROTECTED] mount -v -t cd9660 /dev/acd0 /cdrom/
> cd9660: /dev/acd0: Invalid argument
> 
> Thanks guys,
> Bruce
> 
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