[  138.860473] Bluetooth: HCI device and connection manager initialized
[  138.860479] Bluetooth: HCI socket layer initialized
[ 2882.796054] end_request: I/O error, dev sr0, sector 88
[ 2882.796067] Buffer I/O error on device sr0, logical block 11
[ 2882.796074] Buffer I/O error on device sr0, logical block 12
[ 2882.796078] Buffer I/O error on device sr0, logical block 13
[ 2882.796083] Buffer I/O error on device sr0, logical block 14
[ 2882.796086] Buffer I/O error on device sr0, logical block 15
[ 2882.796091] Buffer I/O error on device sr0, logical block 16
[ 2882.849381] end_request: I/O error, dev sr0, sector 136
[ 2882.849396] Buffer I/O error on device sr0, logical block 17
[ 2882.892799] end_request: I/O error, dev sr0, sector 144
[ 2882.892814] Buffer I/O error on device sr0, logical block 18
[ 2882.892827] Buffer I/O error on device sr0, logical block 19
[ 2882.892832] Buffer I/O error on device sr0, logical block 20
[ 2926.542865] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 2927.107559] ISO 9660 Extensions: RRIP_1991A
[ 2928.892601] end_request: I/O error, dev sr0, sector 120
[ 3357.819165] end_request: I/O error, dev sr0, sector 120
[ 3357.863414] end_request: I/O error, dev sr0, sector 120
[ 3357.948871] end_request: I/O error, dev sr0, sector 120
[ 3361.232014] end_request: I/O error, dev sr0, sector 120
[ 3361.274906] end_request: I/O error, dev sr0, sector 120
[ 3374.382866] end_request: I/O error, dev sr0, sector 1464
[ 3374.382878] printk: 3 messages suppressed.
[ 3374.382882] Buffer I/O error on device sr0, logical block 366
[ 3374.382891] Buffer I/O error on device sr0, logical block 367
[ 3374.382898] Buffer I/O error on device sr0, logical block 368
[ 3374.382903] Buffer I/O error on device sr0, logical block 369
[ 3374.382907] Buffer I/O error on device sr0, logical block 370
[ 3374.382911] Buffer I/O error on device sr0, logical block 371
[ 3374.382915] Buffer I/O error on device sr0, logical block 372
[ 3374.382919] Buffer I/O error on device sr0, logical block 373
[ 3374.425574] end_request: I/O error, dev sr0, sector 1464
[ 3374.425589] Buffer I/O error on device sr0, logical block 366
[ 3374.468556] end_request: I/O error, dev sr0, sector 1468
[ 3374.468570] Buffer I/O error on device sr0, logical block 367
[ 3377.590511] end_request: I/O error, dev sr0, sector 120
[ 3377.633381] end_request: I/O error, dev sr0, sector 120
[ 3379.841828] end_request: I/O error, dev sr0, sector 120
[ 3379.884859] end_request: I/O error, dev sr0, sector 120