[  518.790612] sr 3:0:0:0: [sr0] Unhandled sense code
[  518.790615] sr 3:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[  518.790617] sr 3:0:0:0: [sr0] Sense Key : Medium Error [current] 
[  518.790619] sr 3:0:0:0: [sr0] Add. Sense: Unrecovered read error
[  518.790622] sr 3:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 0f 67 00 00 40 00
[  518.790626] end_request: I/O error, dev sr0, sector 1326492
[  518.790628] quiet_error: 22 callbacks suppressed
[  518.790629] Buffer I/O error on device sr0, logical block 331623
[  518.790631] Buffer I/O error on device sr0, logical block 331624
[  518.790633] Buffer I/O error on device sr0, logical block 331625
[  518.790634] Buffer I/O error on device sr0, logical block 331626
[  518.790636] Buffer I/O error on device sr0, logical block 331627
[  518.790637] Buffer I/O error on device sr0, logical block 331628
[  518.790638] Buffer I/O error on device sr0, logical block 331629
[  518.790640] Buffer I/O error on device sr0, logical block 331630
[  518.790641] Buffer I/O error on device sr0, logical block 331631
[  518.790643] Buffer I/O error on device sr0, logical block 331632
[  518.810223] SQUASHFS error: squashfs_read_data failed to read block 0x261ab9b5
[  518.810225] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810227] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810230] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810231] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810233] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810234] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810236] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810237] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810239] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810240] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810242] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810244] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810246] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810247] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810249] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810250] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810252] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810253] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810255] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810256] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810258] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810259] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810261] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810262] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810264] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810266] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810267] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810269] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810271] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810273] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810275] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810276] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810278] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810279] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810281] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810282] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810284] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810285] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810287] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810288] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810290] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810292] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810293] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810309] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810311] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810312] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810314] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810315] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810317] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810318] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810320] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810321] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810323] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810325] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  518.810326] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  518.810328] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7
[  525.768018] sr 3:0:0:0: [sr0] Unhandled sense code
[  525.768020] sr 3:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[  525.768022] sr 3:0:0:0: [sr0] Sense Key : Medium Error [current] 
[  525.768024] sr 3:0:0:0: [sr0] Add. Sense: Unrecovered read error
[  525.768026] sr 3:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 0f 8b 00 00 02 00
[  525.768030] end_request: I/O error, dev sr0, sector 1326636
[  525.768032] quiet_error: 54 callbacks suppressed
[  525.768033] Buffer I/O error on device sr0, logical block 331659
[  525.768035] Buffer I/O error on device sr0, logical block 331660
[  529.723536] SQUASHFS error: squashfs_read_data failed to read block 0x261b4a9c
[  529.723538] SQUASHFS error: Unable to read data cache entry [261b4a9c]
[  529.723540] SQUASHFS error: Unable to read page, block 261b4a9c, size 69ab
[  529.723543] SQUASHFS error: Unable to read data cache entry [261b4a9c]
[  529.723545] SQUASHFS error: Unable to read page, block 261b4a9c, size 69ab
[  529.723547] SQUASHFS error: Unable to read data cache entry [261b4a9c]
[  529.723548] SQUASHFS error: Unable to read page, block 261b4a9c, size 69ab
[  529.723550] SQUASHFS error: Unable to read data cache entry [261b4a9c]
[  529.723551] SQUASHFS error: Unable to read page, block 261b4a9c, size 69ab
[  529.755255] SQUASHFS error: squashfs_read_data failed to read block 0x261ab9b5
[  529.755257] SQUASHFS error: Unable to read data cache entry [261ab9b5]
[  529.755258] SQUASHFS error: Unable to read page, block 261ab9b5, size 90e7