[ 779.072089] usb 1-1: new high speed USB device using ehci_hcd and address 3
[ 779.205024] usb 1-1: configuration #1 chosen from 1 choice
[ 779.206800] scsi7 : SCSI emulation for USB Mass Storage devices
[ 779.207189] usb-storage: device found at 3
[ 779.207194] usb-storage: waiting for device to settle before scanning
[ 784.204293] usb-storage: device scan complete
[ 784.204908] scsi 7:0:0:0: CD-ROM MediaTek WiMAX Install CD 1.00 PQ: 0 ANSI: 0 CCS
[ 784.212606] sr2: scsi3-mmc drive: 0x/0x caddy
[ 784.215189] sr 7:0:0:0: Attached scsi CD-ROM sr2
[ 784.215572] sr 7:0:0:0: Attached scsi generic sg4 type 5
[ 784.598845] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 784.600304] ISOFS: changing to secondary root
[ 846.069374] scsi 7:0:0:0: rejecting I/O to dead device
[ 846.116641] usb 1-1: USB disconnect, address 3
[ 846.424037] usb 1-1: new high speed USB device using ehci_hcd and address 4
[ 846.556881] usb 1-1: configuration #1 chosen from 1 choice
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