trouble in cdrom when read file in cdrw disk burned from xp's cdrw

fsshl_at_yahoo.com
Date: 09/23/05 

Date: 23 Sep 2005 13:53:19 -0700

I had ubuntulinux 2.6.8, it can read its origin iso (ubuntu 4.10 cd1)
no problem, after I insert that cd, my desktop immediately had a folder
of cdrom0 pop out showing the content inside the cd. but when i insert
widnow xp cdrw burned cdrw disk which I checked agin in my xp computer
contain some .zip file,, can not access

 ls /cdrom0
no such device
 or ls /cdrom
show nothing
 or mount -t vfat /dev/cdrom /cdrom
no response (orange light on my dvdrom(cdrom) keep on(about >7
minutes), then response
 # mount -t vfat /dev/cdrom /cdrom
mount: block device /dev/cdrom is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/cdrom,
       or too many mounted file systems

please help

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