Buffer I/O error on device sdb, logical block 4 Buffer I/O error on device sdb, logical block 5 Buffer I/O error on device sdb, logical block 6 Buffer I/O error on device sdb, logical block 7 Buffer I/O error on device sdb, logical block 8 Buffer I/O error on device sdb, logical block 9 scsi 2:0:0:0: rejecting I/O to dead device scsi 2:0:0:0: rejecting I/O to dead device scsi 2:0:0:0: rejecting I/O to dead device scsi 2:0:0:0: rejecting I/O to dead device scsi 2:0:0:0: rejecting I/O to dead device scsi 2:0:0:0: rejecting I/O to dead device scsi 2:0:0:0: rejecting I/O to dead device scsi 2:0:0:0: rejecting I/O to dead device usb 5-4: new high speed USB device using ehci_hcd and address 5 usb 5-4: device not accepting address 5, error -110 usb 5-4: new high speed USB device using ehci_hcd and address 6 usb 5-4: device not accepting address 6, error -110 usb 5-4: new high speed USB device using ehci_hcd and address 7 usb 5-4: device not accepting address 7, error -110 usb 5-4: new high speed USB device using ehci_hcd and address 8 usb 5-4: device not accepting address 8, error -110 usb 2-1: USB disconnect, address 2