sda: Current: sense key: No Sense
    Additional sense: No additional sense information
usb 4-6: reset high speed USB device using ehci_hcd and address 4
usb 4-6: USB disconnect, address 4
sd 1:0:0:0: SCSI error: return code = 0x00010000
end_request: I/O error, dev sda, sector 103
printk: 82 messages suppressed.
Buffer I/O error on device sda1, logical block 20
Buffer I/O error on device sda1, logical block 21
Buffer I/O error on device sda1, logical block 22
Buffer I/O error on device sda1, logical block 23
Buffer I/O error on device sda1, logical block 24
Buffer I/O error on device sda1, logical block 25
Buffer I/O error on device sda1, logical block 26
Buffer I/O error on device sda1, logical block 27
Buffer I/O error on device sda1, logical block 28
Buffer I/O error on device sda1, logical block 29
scsi 1:0:0:0: rejecting I/O to dead device