[114464.236541] sr 1:0:0:0: [sr0] Unhandled sense code
[114464.236548] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[114464.236557] sr 1:0:0:0: [sr0] Sense Key : Medium Error [current] 
[114464.236567] sr 1:0:0:0: [sr0] Add. Sense: No seek complete
[114464.236576] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 02 00
[114464.236596] end_request: I/O error, dev sr0, sector 0
[114464.236605] Buffer I/O error on device sr0, logical block 0
[114464.236613] Buffer I/O error on device sr0, logical block 1
[114476.312138] sr 1:0:0:0: [sr0] Unhandled sense code
[114476.312145] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[114476.312154] sr 1:0:0:0: [sr0] Sense Key : Medium Error [current] 
[114476.312164] sr 1:0:0:0: [sr0] Add. Sense: No seek complete
[114476.312174] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 02 00
[114476.312193] end_request: I/O error, dev sr0, sector 0
[114476.312203] Buffer I/O error on device sr0, logical block 0
[114476.312211] Buffer I/O error on device sr0, logical block 1
[114487.589257] sr 1:0:0:0: [sr0] Unhandled sense code
[114487.589264] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[114487.589273] sr 1:0:0:0: [sr0] Sense Key : Medium Error [current] 
[114487.589283] sr 1:0:0:0: [sr0] Add. Sense: No seek complete
[114487.589293] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 02 00
[114487.589313] end_request: I/O error, dev sr0, sector 0
[114487.589322] Buffer I/O error on device sr0, logical block 0
[114487.589329] Buffer I/O error on device sr0, logical block 1