May  3 18:50:37 Aspire-5920G kernel: [ 2637.512287] usb 2-1: new high-speed USB device number 6 using ehci_hcd
May  3 18:50:37 Aspire-5920G mtp-probe: checking bus 2, device 6: "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-1"
May  3 18:50:37 Aspire-5920G kernel: [ 2637.648475] scsi8 : usb-storage 2-1:1.0
May  3 18:50:37 Aspire-5920G mtp-probe: bus: 2, device: 6 was not an MTP device
May  3 18:50:38 Aspire-5920G kernel: [ 2638.649313] scsi 8:0:0:0: CD-ROM            Nokia    Datacard CD-ROM  0001 PQ: 0 ANSI: 0
May  3 18:50:38 Aspire-5920G kernel: [ 2638.654085] sr1: scsi3-mmc drive: 0x/0x caddy
May  3 18:50:38 Aspire-5920G kernel: [ 2638.654971] sr 8:0:0:0: Attached scsi CD-ROM sr1
May  3 18:50:38 Aspire-5920G kernel: [ 2638.655201] sr 8:0:0:0: Attached scsi generic sg2 type 5
May  3 18:50:39 Aspire-5920G kernel: [ 2638.741054] sr1: CDROM (ioctl) error, command: Get event status notification 4a 01 00 00 10 00 00 00 08 00
May  3 18:50:39 Aspire-5920G kernel: [ 2638.741090] sr: Sense Key : Hardware Error [current] 
May  3 18:50:39 Aspire-5920G kernel: [ 2638.741101] sr: Add. Sense: No additional sense information
May  3 18:50:39 Aspire-5920G kernel: [ 2638.845389] sr1: CDROM (ioctl) error, command: Get event status notification 4a 01 00 00 10 00 00 00 08 00
May  3 18:50:39 Aspire-5920G kernel: [ 2638.845424] sr: Sense Key : Hardware Error [current] 
May  3 18:50:39 Aspire-5920G kernel: [ 2638.845436] sr: Add. Sense: No additional sense information
May  3 18:50:39 Aspire-5920G usb_modeswitch: switching device 0421:0610 on 002/006
May  3 18:50:39 Aspire-5920G kernel: [ 2638.974010] sr1: CDROM (ioctl) error, command: Xpwrite, Read disk info 51 00 00 00 00 00 00 00 02 00
May  3 18:50:39 Aspire-5920G kernel: [ 2638.974046] sr: Sense Key : Hardware Error [current] 
May  3 18:50:39 Aspire-5920G kernel: [ 2638.974058] sr: Add. Sense: No additional sense information