Public bug reported:

The only problem we have with a Ubuntu 8.04 and 8.04.1 but with 7.10 or 7.04 
... no
======================================================================
[EMAIL PROTECTED]:~$ lsb_release -rd
Description:    Ubuntu 8.04.1
Release:        8.04
========================================================================
kernel.log:
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.673383] sr 3:0:0:0: [sr0] Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.673401] sr 3:0:0:0: [sr0] Sense 
Key : Hardware Error [current] 
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.673411] sr 3:0:0:0: [sr0] Add. 
Sense: Logical unit communication CRC error (Ultra-DMA/32)
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.673423] end_request: I/O error, 
dev sr0, sector 72
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.673429] printk: 1 messages 
suppressed.
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.673435] Buffer I/O error on device 
sr0, logical block 18
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.673444] Buffer I/O error on device 
sr0, logical block 19
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684219] sr 3:0:0:0: [sr0] Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684238] sr 3:0:0:0: [sr0] Sense 
Key : Hardware Error [current] 
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684247] sr 3:0:0:0: [sr0] Add. 
Sense: Logical unit communication CRC error (Ultra-DMA/32)
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684260] end_request: I/O error, 
dev sr0, sector 88
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684269] Buffer I/O error on device 
sr0, logical block 22
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684281] Buffer I/O error on device 
sr0, logical block 23
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684288] Buffer I/O error on device 
sr0, logical block 24
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684295] Buffer I/O error on device 
sr0, logical block 25
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684302] Buffer I/O error on device 
sr0, logical block 26
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684308] Buffer I/O error on device 
sr0, logical block 27
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684314] Buffer I/O error on device 
sr0, logical block 28
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.684320] Buffer I/O error on device 
sr0, logical block 29
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.728459] sr 3:0:0:0: [sr0] Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.728479] sr 3:0:0:0: [sr0] Sense 
Key : Hardware Error [current] 
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.728488] sr 3:0:0:0: [sr0] Add. 
Sense: Logical unit communication CRC error (Ultra-DMA/32)
Aug  7 21:52:11 ionel-desktop kernel: [ 4953.728500] end_request: I/O error, 
dev sr0, sector 72
Aug  7 21:52:11 ionel-desktop kernel: [ 4954.220006] UDF-fs: No VRS found
Aug  7 21:52:12 ionel-desktop kernel: [ 4954.248395] ISO 9660 Extensions: 
Microsoft Joliet Level 3
Aug  7 21:52:12 ionel-desktop kernel: [ 4954.250369] sr 3:0:0:0: [sr0] Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug  7 21:52:12 ionel-desktop kernel: [ 4954.250383] sr 3:0:0:0: [sr0] Sense 
Key : Hardware Error [current] 
Aug  7 21:52:12 ionel-desktop kernel: [ 4954.250393] sr 3:0:0:0: [sr0] Add. 
Sense: Logical unit communication CRC error (Ultra-DMA/32)
Aug  7 21:52:12 ionel-desktop kernel: [ 4954.250405] end_request: I/O error, 
dev sr0, sector 116
Aug  7 21:52:12 ionel-desktop kernel: [ 4954.251836] ISOFS: unable to read 
i-node block
Aug  7 21:52:12 ionel-desktop kernel: [ 4954.251848] ISOFS: changing to 
secondary root
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.637641] sr 3:0:0:0: [sr0] Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.637659] sr 3:0:0:0: [sr0] Sense 
Key : Hardware Error [current] 
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.637668] sr 3:0:0:0: [sr0] Add. 
Sense: Logical unit communication CRC error (Ultra-DMA/32)
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.637681] end_request: I/O error, 
dev sr0, sector 388
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.638575] ISOFS: unable to read 
i-node block
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.667074] sr 3:0:0:0: [sr0] Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.667095] sr 3:0:0:0: [sr0] Sense 
Key : Hardware Error [current] 
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.667105] sr 3:0:0:0: [sr0] Add. 
Sense: Logical unit communication CRC error (Ultra-DMA/32)
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.667117] end_request: I/O error, 
dev sr0, sector 672
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.672552] sr 3:0:0:0: [sr0] Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.672571] sr 3:0:0:0: [sr0] Sense 
Key : Hardware Error [current] 
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.672581] sr 3:0:0:0: [sr0] Add. 
Sense: Logical unit communication CRC error (Ultra-DMA/32)
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.672593] end_request: I/O error, 
dev sr0, sector 676
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.679431] sr 3:0:0:0: [sr0] Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.679447] sr 3:0:0:0: [sr0] Sense 
Key : Hardware Error [current] 
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.679457] sr 3:0:0:0: [sr0] Add. 
Sense: Logical unit communication CRC error (Ultra-DMA/32)
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.679470] end_request: I/O error, 
dev sr0, sector 672
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.724878] sr 3:0:0:0: [sr0] Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.724899] sr 3:0:0:0: [sr0] Sense 
Key : Hardware Error [current] 
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.724940] sr 3:0:0:0: [sr0] Add. 
Sense: Logical unit communication CRC error (Ultra-DMA/32)
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.724952] end_request: I/O error, 
dev sr0, sector 1064
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.804089] sr 3:0:0:0: [sr0] Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.804108] sr 3:0:0:0: [sr0] Sense 
Key : Hardware Error [current] 
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.804118] sr 3:0:0:0: [sr0] Add. 
Sense: Logical unit communication CRC error (Ultra-DMA/32)
Aug  7 21:52:13 ionel-desktop kernel: [ 4955.804130] end_request: I/O error, 
dev sr0, sector 1064
Aug  7 21:52:54 ionel-desktop kernel: [ 4997.184501] sr 3:0:0:0: [sr0] Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Aug  7 21:52:54 ionel-desktop kernel: [ 4997.184519] sr 3:0:0:0: [sr0] Sense 
Key : Hardware Error [current] 
Aug  7 21:52:54 ionel-desktop kernel: [ 4997.184529] sr 3:0:0:0: [sr0] Add. 
Sense: Logical unit communication CRC error (Ultra-DMA/32)
Aug  7 21:52:54 ionel-desktop kernel: [ 4997.184542] end_request: I/O error, 
dev sr0, sector 1064
Aug  7 21:52:54 ionel-desktop kernel: [ 4997.184549] printk: 50 messages 
suppressed.
Aug  7 21:52:54 ionel-desktop kernel: [ 4997.184555] Buffer I/O error on device 
sr0, logical block 266
Aug  7 21:52:54 ionel-desktop kernel: [ 4997.184567] Buffer I/O error on device 
sr0, logical block 267
========================================================================
[EMAIL PROTECTED]:~$ grep 'ide' /var/log/syslog
Aug  7 19:41:45 ionel-desktop kernel: [    0.000000] BIOS-provided physical RAM 
map:
Aug  7 19:41:45 ionel-desktop kernel: [    0.000000] ACPI: IRQ0 used by 
override.
Aug  7 19:41:45 ionel-desktop kernel: [    0.000000] ACPI: IRQ2 used by 
override.
Aug  7 19:41:45 ionel-desktop kernel: [    0.000000] ACPI: IRQ9 used by 
override.
Aug  7 19:41:45 ionel-desktop kernel: [   22.296747] CPU: After generic 
identify, caps: 0183fbff c1c7fbff 00000000 00000000 00000000 00000000 00000000 
00000000
Aug  7 19:41:45 ionel-desktop kernel: [   24.752903] Boot video device is 
0000:01:00.0
Aug  7 19:56:31 ionel-desktop kernel: [    0.000000] BIOS-provided physical RAM 
map:
Aug  7 19:56:31 ionel-desktop kernel: [    0.000000] ACPI: IRQ0 used by 
override.
Aug  7 19:56:31 ionel-desktop kernel: [    0.000000] ACPI: IRQ2 used by 
override.
Aug  7 19:56:31 ionel-desktop kernel: [    0.000000] ACPI: IRQ9 used by 
override.
Aug  7 19:56:31 ionel-desktop kernel: [   16.463394] CPU: After generic 
identify, caps: 0183fbff c1c7fbff 00000000 00000000 00000000 00000000 00000000 
00000000
Aug  7 19:56:32 ionel-desktop kernel: [   18.919455] Boot video device is 
0000:01:00.0
Aug  7 20:29:54 ionel-desktop kernel: [    0.000000] BIOS-provided physical RAM 
map:
Aug  7 20:29:54 ionel-desktop kernel: [    0.000000] ACPI: IRQ0 used by 
override.
Aug  7 20:29:54 ionel-desktop kernel: [    0.000000] ACPI: IRQ2 used by 
override.
Aug  7 20:29:54 ionel-desktop kernel: [    0.000000] ACPI: IRQ9 used by 
override.
Aug  7 20:29:54 ionel-desktop kernel: [   15.899951] CPU: After generic 
identify, caps: 0183fbff c1c7fbff 00000000 00000000 00000000 00000000 00000000 
00000000
Aug  7 20:29:54 ionel-desktop kernel: [   18.355949] Boot video device is 
0000:01:00.0
Aug  7 20:34:47 ionel-desktop kernel: [    0.000000] BIOS-provided physical RAM 
map:
Aug  7 20:34:47 ionel-desktop kernel: [    0.000000] ACPI: IRQ0 used by 
override.
Aug  7 20:34:47 ionel-desktop kernel: [    0.000000] ACPI: IRQ2 used by 
override.
Aug  7 20:34:47 ionel-desktop kernel: [    0.000000] ACPI: IRQ9 used by 
override.
Aug  7 20:34:47 ionel-desktop kernel: [   15.235469] CPU: After generic 
identify, caps: 0183fbff c1c7fbff 00000000 00000000 00000000 00000000 00000000 
00000000
Aug  7 20:34:47 ionel-desktop kernel: [   17.692178] Boot video device is 
0000:01:00.0
Aug  7 20:30:27 ionel-desktop kernel: [    0.000000] BIOS-provided physical RAM 
map:
Aug  7 20:30:27 ionel-desktop kernel: [    0.000000] ACPI: IRQ0 used by 
override.
Aug  7 20:30:27 ionel-desktop kernel: [    0.000000] ACPI: IRQ2 used by 
override.
Aug  7 20:30:27 ionel-desktop kernel: [    0.000000] ACPI: IRQ9 used by 
override.
Aug  7 20:30:27 ionel-desktop kernel: [   16.109049] CPU: After generic 
identify, caps: 0183fbff c1c7fbff 00000000 00000000 00000000 00000000 00000000 
00000000
Aug  7 20:30:27 ionel-desktop kernel: [   18.565142] Boot video device is 
0000:01:00.0
======================================================================
[EMAIL PROTECTED]:~$ cat /etc/udev/rules.d/70-persistent-cd.rules
# This file maintains persistent names for CD/DVD reader and writer devices.
# See udev(7) for syntax.
#
# Entries are automatically added by the 75-persistent-cd-generator.rules
# file; however you are also free to add your own entries provided you
# add the ENV{GENERATED}=1 flag to your own rules as well.
# DRW-1608P3S (pci-0000:00:0f.1-scsi-1:0:0:0)
ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:0f.1-scsi-1:0:0:0", 
SYMLINK+="cdrom", ENV{GENERATED}="1"
ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:0f.1-scsi-1:0:0:0", 
SYMLINK+="cdrw", ENV{GENERATED}="1"
ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:0f.1-scsi-1:0:0:0", 
SYMLINK+="dvd", ENV{GENERATED}="1"
ENV{ID_CDROM}=="?*", ENV{ID_PATH}=="pci-0000:00:0f.1-scsi-1:0:0:0", 
SYMLINK+="dvdrw", ENV{GENERATED}="1"
========================================================================
[EMAIL PROTECTED]:~$ sudo lshw -C disk
[sudo] password for ionel: 
  *-disk                  
       description: ATA Disk
       product: Maxtor 6Y120L0
       vendor: Maxtor
       physical id: 0
       bus info: [EMAIL PROTECTED]:0.0.0
       logical name: /dev/sda
       version: YAR4
       serial: Y36C3PAE
       size: 114GiB (122GB)
       capabilities: partitioned partitioned:dos
       configuration: ansiversion=5 signature=000cb0ae
  *-cdrom
       description: DVD-RAM writer
       product: DRW-1608P3S
       vendor: ASUS
       physical id: 1
       bus info: [EMAIL PROTECTED]:0.0.0
       logical name: /dev/cdrom
       logical name: /dev/dvd
       logical name: /dev/scd0
       logical name: /dev/sr0
       logical name: /media/cdrom0
       version: 1.24
       capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
       configuration: ansiversion=5 mount.fstype=iso9660 
mount.options=ro,nosuid,nodev,relatime state=mounted status=ready
     *-medium
          physical id: 0
          logical name: /dev/cdrom
          logical name: /media/cdrom0
          configuration: mount.fstype=iso9660 
mount.options=ro,nosuid,nodev,relatime state=mounted

** Affects: ubuntu
     Importance: Undecided
         Status: New

-- 
Failure to read or write on any CD or DVD
https://bugs.launchpad.net/bugs/255843
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