Greetings,

I bought an HP9100 cdrw a while back cause my cdrom died.  Installed it,
burned a cd in windows and linux - no problems.  I've only used it since
as a reader.  I can read the cd I burnt when I installed.  I burn a cd
today, the right things happen (lights and gcombust feedback) but when
I try to mount it:

/home/ckasso# mount /dev/sr0
mount: wrong fs type, bad option, bad superblock on /dev/scd0,
       or too many mounted file systems

I can burn and read in windows and can read in linux.  I've looked at
fstab, modules.conf and grub's menu.lst.  All seems ok.  The only
interesting thing is dmesg.  I get this when the tray is empty, holding
a good cd, a bad one or a cocoanut donut.

dmesg output (duplicate lines edited out):
scsi0 : SCSI host adapter emulation for IDE ATAPI devices
  Vendor: HP        Model: CD-Writer+ 9100c  Rev: H2,1
  Type:   CD-ROM                             ANSI SCSI revision: 02
Detected scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
sr0: scsi3-mmc drive: 32x/32x writer cd/rw xa/form2 cdda tray
Uniform CD-ROM driver Revision: 3.12
VFS: Disk change detected on device ide1(22,0)
isofs_read_super: bread failed, dev=16:00, iso_blknum=16, block=32
VFS: Disk change detected on device sr(11,0)
attempt to access beyond end of device
0b:00: rw=0, want=33, limit=2
isofs_read_super: bread failed, dev=0b:00, iso_blknum=16, block=32
 I/O error: dev 0b:00, sector 2
 I/O error: dev 0b:00, sector 0
FAT bread failed
read_super_block: unable to read superblock on dev 0b:00
read_old_super_block: try to find super block in old location
read_old_super_block: unable to read superblock on dev 0b:00
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A

~$ ls -l /dev
lrwxrwxrwx   1 root    root         8 Aug 27 04:20 cdrom -> /dev/sr0
lrwxrwxrwx   1 root    root         4 Aug 27 04:20 sr0 -> scd0
brw-rw----   1 root    cdrom   11,  0 May 16  2001 scd0
brw-rw-r--   1 root    disk    22,  0 May 16  2001 hdc

Hardware or not writing properly?  Any opinions or insights?
-- 
Chris Kassopulo _/\_ Linux User #199893 _/\_ Vector Linux

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