Input/output errors when reading data DVD

[Paul Smith]

On Mon, Jun 1, 2009 at 10:20 PM, Paul Smith <phhs80 at gmail.com> wrote:
> I have recorded some data DVD some time ago. Now, I am trying to copy
> them to my hard disk, but I am always getting an
>
> 'input/output error'.
>
> Any ideas?

Maybe the following helps to identify the problem:

Jun  2 00:08:43 localhost kernel: sr 1:0:1:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Jun  2 00:08:43 localhost kernel: sr 1:0:1:0: [sr0] Sense Key : Medium
Error [current]
Jun  2 00:08:43 localhost kernel: Info fld=0x1a4600
Jun  2 00:08:43 localhost kernel: sr 1:0:1:0: [sr0] Add. Sense:
Unrecovered read error
Jun  2 00:08:43 localhost kernel: end_request: I/O error, dev sr0,
sector 6887424
Jun  2 00:08:43 localhost kernel: __ratelimit: 38 callbacks suppressed
Jun  2 00:08:43 localhost kernel: Buffer I/O error on device sr0,
logical block 1721856
Jun  2 00:08:44 localhost kernel: sr 1:0:1:0: [sr0] Result:
hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
Jun  2 00:08:44 localhost kernel: sr 1:0:1:0: [sr0] Sense Key : Medium
Error [current]
Jun  2 00:08:44 localhost kernel: Info fld=0x1a4600
Jun  2 00:08:44 localhost kernel: sr 1:0:1:0: [sr0] Add. Sense:
Unrecovered read error
Jun  2 00:08:44 localhost kernel: end_request: I/O error, dev sr0,
sector 6887424
Jun  2 00:08:44 localhost kernel: Buffer I/O error on device sr0,
logical block 1721856

Paul