linux:/home/cje # dmesg | tail
scsi0 (0:0): rejecting I/O to dead device
sr0: CDROM (ioctl) error, command: <6>Test Unit Ready 00 00 00 00 00 00
Unrecognized sense data (in hex):
        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
scsi0 (0:0): rejecting I/O to dead device
sr0: CDROM (ioctl) error, command: <6>Xpwrite, Read disk info 51 00 00 00 00 00                                                                            00 00 02 00
Unrecognized sense data (in hex):
        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
linux:/home/cje # dmesg | tail
usb-storage: device scan complete
Device not ready. Make sure there is a disc in the drive.
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
linux:/home/cje #