[wellylug] CD-ROM mounting problem

[Adam Bogacki]

Hi, I've been trying to use cdcollect but keep getting the message

> Tux:~# mount /dev/hdc /mnt/dvd
> mount: block device /dev/hdc is write-protected, mounting read-only
> mount: /dev/hdc: can't read superblock

	I use my DVD drive to play CD's and also have a cdrw.

	The relevant /etc/fstab lines are

/dev/fd0        /floppy         auto    defaults,user,noauto
0       0

/dev/hdd        /mnt/cdrw       iso9660 rw,user,noexec,auto     0
0       0

/dev/hdc        /mnt/dvd        iso9660 ro,user,noexec,auto     0
0       0

	Applications such as xcdroast and cdplayer have no trouble
accessing audio CD's in my DVD drive but other programs give me error
messages such as cowbell's

>Could not mount CD-ROM/DVD-ROM Drive
>
>Unable to mount the selected volume. The volume is probably in a format
>that cannot be mounted.:
>mount: wrong fs type, bad option, bad superblock on /dev/hdc,
>missing codepage or other error
>In some cases useful info is found in syslog - try
>     dmesg | tail  or so

.. which gives me

adam at Tux:~03:29:48$ dmesg | tail
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x50
end_request: I/O error, dev hdc, sector 0
FAT: unable to read boot sector
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x50
end_request: I/O error, dev hdc, sector 64
isofs_fill_super: bread failed, dev=hdc, iso_blknum=16, block=16
adam at Tux:~03:29:5

	Disk Mounter 2.10.1 applet tells me that
my floppy drive is not mounted, my CD-ROM drive *is not* mounted,
a 20G HD is mounted, my CD-ROM/DVD-ROM *is* mounted, and my usb is
not mounted.
		    
  	This could be the source of confusion, but what does it mean
and how do I fix it ? Is it confusing a CD-RW with my CD-ROM/DVD-ROM ?

	I have attempted to mount it via

Tux:~# mount -t iso9660 /dev/hdc /mnt/dvd
mount: block device /dev/hdc is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/hdc,
missing codepage or other error
In some cases useful info is found in syslog - try
	             dmesg | tail  or so

Tux:~# mount -t iso9660 /dev/hdc /mnt/cdrom
mount: block device /dev/hdc is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/hdc,
missing codepage or other error
In some cases useful info is found in syslog - try
                     dmesg | tail  or so

.. and ..

Tux:~# mount  /dev/hdc /mnt/cdrom
mount: block device /dev/hdc is write-protected, mounting read-only
mount: /dev/hdc: can't read superblock

I'm sure there is a simple solution staring me in the face
but right now I can't see it.

Constructive suggestions appreciated.

Adam Bogacki,
afb at paradise.net.nz

My current /etc/mtab

/dev/hdb5 / ext3 rw,errors=remount-ro 0 0
/dev/hda1 /mnt/WinXP vfat rw,noexec,nosuid,nodev 0 0
/dev/hdb2 /boot ext3 rw 0 0
/dev/hdb9 /home ext3 rw 0 0
/dev/hdb6 /usr ext3 rw 0 0
/dev/hdb7 /usr/local ext3 rw 0 0
/dev/hdb8 /var ext3 rw 0 0
/dev/hde5 /home/cyberia ext2 rw 0 0
/dev/hde6 /usr/cyberia ext2 rw 0 0
none /proc/bus/usb usbfs rw,devmode=0666 0 0
proc /proc proc rw 0 0
sysfs /sys sysfs rw 0 0
devpts /dev/pts devpts rw,gid=5,mode=620 0 0
tmpfs /dev/shm tmpfs rw 0 0
nfsd /proc/fs/nfsd nfsd rw 0 0
binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
~

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