[17183910.988000] sda : very big device. try to use READ CAPACITY(16).
[17183910.988000] sda : READ CAPACITY(16) failed.
[17183910.988000] sda : status=0, message=00, host=5, driver=00 
[17183910.988000] sda : use 0xffffffff as device size
[17183910.988000] SCSI device sda: 4294967296 512-byte hdwr sectors (2199023 MB)
[17183910.988000] sda: Write Protect is off
[17183910.988000] sda: Mode Sense: 03 00 00 00
[17183910.988000] sda: assuming drive cache: write through
[17183910.992000] sda : very big device. try to use READ CAPACITY(16).
[17183910.992000] sda : READ CAPACITY(16) failed.
[17183910.992000] sda : status=0, message=00, host=5, driver=00 
[17183910.992000] sda : use 0xffffffff as device size
[17183910.992000] SCSI device sda: 4294967296 512-byte hdwr sectors (2199023 MB)
[17183910.992000] sda: Write Protect is off
[17183910.992000] sda: Mode Sense: 03 00 00 00
[17183910.992000] sda: assuming drive cache: write through
[17183910.992000]  sda:<6>Inbound IN=eth0 OUT= MAC=08:00:46:d4:1f:b1:00:14:a4:6b:38:0e:08:00 SRC=202.22.139.195 DST=192.168.1.2 LEN=48 TOS=0x00 PREC=0x00 TTL=102 ID=33019 DF PROTO=TCP SPT=1350 DPT=6346 WINDOW=16384 RES=0x00 SYN URGP=0 
[17183918.648000] Inbound IN=eth0 OUT= MAC=08:00:46:d4:1f:b1:00:14:a4:6b:38:0e:08:00 SRC=202.22.139.195 DST=192.168.1.2 LEN=48 TOS=0x00 PREC=0x00 TTL=102 ID=33069 DF PROTO=TCP SPT=1350 DPT=6346 WINDOW=16384 RES=0x00 SYN URGP=0 
[17183941.104000] usb 3-1: reset high speed USB device using ehci_hcd and address 6
[17183971.348000] usb 3-1: reset high speed USB device using ehci_hcd and address 6
[17184001.592000] usb 3-1: reset high speed USB device using ehci_hcd and address 6
[17184031.836000] usb 3-1: reset high speed USB device using ehci_hcd and address 6
[17184062.080000] usb 3-1: reset high speed USB device using ehci_hcd and address 6
[17184085.912000] Inbound IN=eth0 OUT= MAC=08:00:46:d4:1f:b1:00:14:a4:6b:38:0e:08:00 SRC=218.27.16.156 DST=192.168.1.2 LEN=928 TOS=0x00 PREC=0x00 TTL=40 ID=0 DF PROTO=UDP SPT=32771 DPT=1026 LEN=908 
[17184092.324000] usb 3-1: reset high speed USB device using ehci_hcd and address 6
[17184092.456000] sd 4:0:0:0: SCSI error: return code = 0x50000
[17184092.456000] end_request: I/O error, dev sda, sector 0
[17184092.456000] printk: 63 messages suppressed.
[17184092.456000] Buffer I/O error on device sda, logical block 0