> Three days ago I upgraded my OS from RH7.1 to RH7.2.
> Now I can't access my CD drive. Here is what I have
> figured out so far, and I'm at a dead end.
> 
> The first sign something was wrong was when I couldn't
> listen to audio CDs. I can't mount data disks either.
> 
> o I have an ordinary CD drive and a CD burner.
> 
> o The CD burner (a Plextor PX-W8432T) is the master on
>   the second IDE port and the ordinary 52X CD is the
>   slave. This means that I use the burner to boot the
>   OS CD from, and to do installations. I don't remember
>   why I had to set it up that way, but it worked for a
>   long time.
> 
>   Here is what my IDE setup looks like:
> 
>   $ for i in hd[a-d]; do echo "---- $i ----"; ide_info $i; done
>   ---- hda ----
>   MODEL="WDC WD204BA"
>   FW_REV="16.13M16"
>   SERIAL_NO="WD-WMA071064891"
>   ---- hdb ----
>   open() failed: No such device or address
>   ---- hdc ----
>   MODEL="PLEXTOR CD-R PX-W8432T"
>   FW_REV="1.05"
>   SERIAL_NO=""
>   ---- hdd ----
>   MODEL="ATAPI 52X CDROM"
>   FW_REV="VER-1.40"
>   SERIAL_NO=""
> 
>   $ ls -l /dev/cdrom
>   lrwxrwxrwx 1 root lnewton 3 Jun 7 2001 /dev/cdrom -> hdd
> 
>   (Note that I've got only one drive in the system. The
>   slave position on port 0 is open.) This stuff all
>   appears correct.
> 
> o I can't mount a normal CD drive. I tried it with the
>   RH7.2 installation disk.
> 
>   # grep cdrom /etc/fstab
>   /dev/cdrom     /cdrom      iso9660 noauto,user,ro,loop 0 0
>   /dev/cdrom1    /mnt/cdrom1 iso9660 noauto,owner,kudzu,ro 0 0
> 
>   # mount /cdrom
>   mount: wrong fs type, bad option, bad superblock on /dev/loop1,
>          or too many mounted file systems

mount /dev/hdd /mnt/cdrom
mount -t iso9660 /dev/hdd /mnt/cdrom

is /dev/cdrom1 still pointing to /dev/hdd?

>   I *can* mount them on my burner
> 
> o When I put an audio CD in it won't play.
> 
> o cdparanoia -Q on a known good commercial audio cd
>   produces this:
> 
>   ... output deleted ..
>   /dev/cdrom exists but isn't accessible.  ...
>   ... output deleted ..
>   Checking /dev/cdrom for cdrom...
>           Testing /dev/cdrom for cooked ioctl() interface
>                   Device /dev/hdd is not a CDROM
>           Testing /dev/cdrom for SCSI interface
>                   /dev/cdrom is not a SCSI device

OK, guessing it worked before the upgrade.  Could some permissions have been
changed, preventing a normal user from accessing the device?

> o I *can* burn copies on my burner (/dev/hda)
> 
>   Tonight when I made an audio CD, the CD player client
>   (gtcd) popped up and tried to play it. The counter
>   was working, and it showed the right number of
>   tracks. Of course, this is not selected as my audio
>   device, so there was no sound.
> 
> That's as far as I got. Can someone throw me a hint?
> 
> Thanks very much.