$ sudo mount /dev/sr0 cd
root's password:
mount: /dev/sr0 ist schreibgeschützt, wird eingehängt im Nur-Lese-Modus
mount: Falscher Dateisystemtyp, ungültige Optionen, der
Superblock von /dev/sr0 ist beschädigt, fehlende
Kodierungsseite oder ein anderer Fehler
Manchmal liefert das Systemprotokoll wertvolle Informationen –
versuchen Sie dmesg | tail oder ähnlich
$ demesg | tail
[ 137.019580] sr 5:0:0:0: [sr0] tag#26 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 137.019593] sr 5:0:0:0: [sr0] tag#26 Sense Key : Illegal Request [current]
[ 137.019598] sr 5:0:0:0: [sr0] tag#26 Add. Sense: Invalid field in parameter list
[ 137.019604] sr 5:0:0:0: [sr0] tag#26 CDB: Read(10) 28 00 00 04 24 56 00 00 02 00
[ 137.019609] blk_update_request: I/O error, dev sr0, sector 1085784
[ 137.259588] sr 5:0:0:0: [sr0] tag#27 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 137.259602] sr 5:0:0:0: [sr0] tag#27 Sense Key : Illegal Request [current]
[ 137.259607] sr 5:0:0:0: [sr0] tag#27 Add. Sense: Invalid field in parameter list
[ 137.259614] sr 5:0:0:0: [sr0] tag#27 CDB: Read(10) 28 00 00 04 24 56 00 00 02 00
[ 137.259619] blk_update_request: I/O error, dev sr0, sector 1085784
[ 137.259624] Buffer I/O error on dev sr0, logical block 135723, async page read
[ 199.015645] sr 5:0:0:0: [sr0] tag#15 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 199.015656] sr 5:0:0:0: [sr0] tag#15 Sense Key : Illegal Request [current]
[ 199.015663] sr 5:0:0:0: [sr0] tag#15 Add. Sense: Invalid field in parameter list
[ 199.015668] sr 5:0:0:0: [sr0] tag#15 CDB: Read(10) 28 00 00 04 24 56 00 00 02 00
[ 199.015673] blk_update_request: I/O error, dev sr0, sector 1085784
[ 199.815704] sr 5:0:0:0: [sr0] tag#16 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 199.815717] sr 5:0:0:0: [sr0] tag#16 Sense Key : Illegal Request [current]
[ 199.815722] sr 5:0:0:0: [sr0] tag#16 Add. Sense: Invalid field in parameter list
[ 199.815729] sr 5:0:0:0: [sr0] tag#16 CDB: Read(10) 28 00 00 04 24 56 00 00 02 00
[ 199.815733] blk_update_request: I/O error, dev sr0, sector 1085784
[ 199.815739] Buffer I/O error on dev sr0, logical block 135723, async page read
[ 200.146848] MINIX-fs: blocksize too small for device