usb 3-2: new high speed USB device using ehci_hcd and address 6
usb 3-2: configuration #1 chosen from 1 choice
scsi3 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 6
usb-storage: waiting for device to settle before scanning
usb-storage: device scan complete
scsi 3:0:0:0: Direct-Access     NIKON    D40              1.00 PQ: 0 ANSI: 2
sd 3:0:0:0: [sda] 1950721 512-byte hardware sectors (999 MB)
sd 3:0:0:0: [sda] Write Protect is off
sd 3:0:0:0: [sda] Mode Sense: 0f 00 00 00
sd 3:0:0:0: [sda] Assuming drive cache: write through
sd 3:0:0:0: [sda] 1950721 512-byte hardware sectors (999 MB)
sd 3:0:0:0: [sda] Write Protect is off
sd 3:0:0:0: [sda] Mode Sense: 0f 00 00 00
sd 3:0:0:0: [sda] Assuming drive cache: write through
 sda: sda1
sd 3:0:0:0: [sda] Attached SCSI removable disk
end_request: I/O error, dev sda, sector 1950720
printk: 813 messages suppressed.
Buffer I/O error on device sda, logical block 1950720
end_request: I/O error, dev sda, sector 1950720
Buffer I/O error on device sda, logical block 1950720
end_request: I/O error, dev sda, sector 1950712
Buffer I/O error on device sda, logical block 1950712
end_request: I/O error, dev sda, sector 1950713
Buffer I/O error on device sda, logical block 1950713
Buffer I/O error on device sda, logical block 1950714
Buffer I/O error on device sda, logical block 1950715
Buffer I/O error on device sda, logical block 1950716
Buffer I/O error on device sda, logical block 1950717
Buffer I/O error on device sda, logical block 1950718
Buffer I/O error on device sda, logical block 1950719
end_request: I/O error, dev sda, sector 1950712
end_request: I/O error, dev sda, sector 1950713
end_request: I/O error, dev sda, sector 1950720
end_request: I/O error, dev sda, sector 1950720
end_request: I/O error, dev sda, sector 1950720
end_request: I/O error, dev sda, sector 1950712
end_request: I/O error, dev sda, sector 1950713
end_request: I/O error, dev sda, sector 1950656
end_request: I/O error, dev sda, sector 1950657
end_request: I/O error, dev sda, sector 1950704
end_request: I/O error, dev sda, sector 1950705
end_request: I/O error, dev sda, sector 1950720
end_request: I/O error, dev sda, sector 1950720
end_request: I/O error, dev sda, sector 40
end_request: I/O error, dev sda, sector 41
end_request: I/O error, dev sda, sector 40
end_request: I/O error, dev sda, sector 41
end_request: I/O error, dev sda, sector 40
end_request: I/O error, dev sda, sector 41
end_request: I/O error, dev sda, sector 40
end_request: I/O error, dev sda, sector 40