Also have lots of these lines in my /var/log/messages;
May 1 10:19:05 ubuntu kernel: [ 10.478447] sr 1:0:0:0: [sr0] Unhandled sense code May 1 10:19:05 ubuntu kernel: [ 10.478449] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE May 1 10:19:05 ubuntu kernel: [ 10.478451] sr 1:0:0:0: [sr0] Sense Key : Medium Error [current] May 1 10:19:05 ubuntu kernel: [ 10.478454] sr 1:0:0:0: [sr0] Add. Sense: L-EC uncorrectable error May 1 10:19:05 ubuntu kernel: [ 10.478457] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 76 e4 00 00 01 00
Also have lots of these lines in my /var/log/messages;
May 1 10:19:05 ubuntu kernel: [ 10.478447] sr 1:0:0:0: [sr0] Unhandled sense code DRIVER_ SENSE
May 1 10:19:05 ubuntu kernel: [ 10.478449] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=
May 1 10:19:05 ubuntu kernel: [ 10.478451] sr 1:0:0:0: [sr0] Sense Key : Medium Error [current]
May 1 10:19:05 ubuntu kernel: [ 10.478454] sr 1:0:0:0: [sr0] Add. Sense: L-EC uncorrectable error
May 1 10:19:05 ubuntu kernel: [ 10.478457] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 76 e4 00 00 01 00