[   13.847131] systemd[1]: Starting Load/Save Random Seed...
[   13.862003] systemd[1]: Starting Update UTMP about System Boot/Shutdown...
[   13.893642] systemd[1]: Mounted Configuration File System.
[   13.908674] systemd[1]: Started Create Static Device Nodes in /dev.
[   13.923641] systemd[1]: Started Apply Kernel Variables.
[   13.938688] systemd[1]: Started udev Coldplug all Devices.
[   13.953632] systemd[1]: Started Load/Save Random Seed.
[   13.993643] systemd[1]: Started Update UTMP about System Boot/Shutdown.
[   14.001339] systemd[1]: Starting udev Wait for Complete Device Initialization...
[   14.016423] systemd[1]: Starting udev Kernel Device Manager...
[   14.031657] systemd[1]: Starting Local File Systems (Pre).
[   14.043649] systemd[1]: Reached target Local File Systems (Pre).
[   14.083624] systemd[1]: Started udev Kernel Device Manager.
[   14.103730] systemd[1]: Started udev Wait for Complete Device Initialization.
[   14.158640] systemd[1]: Started Journal Service.
[   14.218961] s3c64xx-spi 12d30000.spi:: spi bus clock parent not specified, using clock at index 0 a
s parent
[   14.218974] s3c64xx-spi 12d30000.spi:: number of chip select lines not specified, assuming 1 chip s
elect line
[   14.499527] ip6_tables: (C) 2000-2006 Netfilter Core Team
[   14.597830] usbcore: registered new interface driver r8152
[   14.641365] usbcore: registered new interface driver cdc_ether
[   14.745220] usb 6-1: reset SuperSpeed USB device number 2 using xhci-hcd
[   14.808737] r8152 6-1:1.0 eth0: v2.04.0 (2015/03/06)
[   14.808752] r8152 6-1:1.0 eth0: This product is covered by one or more of the following patents:
                       US6,570,884, US6,115,776, and US6,327,625.
               
[   14.864092] systemd-journald[508]: Received request to flush runtime journal from PID 1
[   16.111429] EXT4-fs (mmcblk0p1): mounted filesystem with ordered data mode. Opts: (null)
[   17.763890] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   18.280628] EXT4-fs (dm-0): recovery complete
[   18.281866] EXT4-fs (dm-0): mounted filesystem with ordered data mode. Opts: (null)
[   21.531635] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[22108.670116] sd 0:0:0:0: [sda] UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
[22108.670130] sd 0:0:0:0: [sda] Sense Key : 0xb [current]  
[22108.670139] sd 0:0:0:0: [sda] ASC=0x47 ASCQ=0x3  
[22108.670149] sd 0:0:0:0: [sda] CDB: opcode=0x2a 2a 00 00 be 36 00 00 00 f0 00
[22108.670159] blk_update_request: I/O error, dev sda, sector 12465664
[22108.670188] EXT4-fs warning (device dm-0): ext4_end_bio:332: I/O error -5 writing to inode 10813603
0 (offset 16777216 size 4194304 starting block 1557440)
[22108.670198] Buffer I/O error on device dm-0, logical block 1557440
[22108.670210] Buffer I/O error on device dm-0, logical block 1557441
[22108.670220] Buffer I/O error on device dm-0, logical block 1557442
[22108.670230] Buffer I/O error on device dm-0, logical block 1557443
[22108.670239] Buffer I/O error on device dm-0, logical block 1557444
[22108.670250] Buffer I/O error on device dm-0, logical block 1557445
[22108.670259] Buffer I/O error on device dm-0, logical block 1557446
[22108.670268] Buffer I/O error on device dm-0, logical block 1557447
[22108.670277] Buffer I/O error on device dm-0, logical block 1557448
[22108.670286] Buffer I/O error on device dm-0, logical block 1557449
[52071.837819] sd 0:0:0:0: [sda] UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
[52071.837851] sd 0:0:0:0: [sda] Sense Key : 0xb [current]  
[52071.837865] sd 0:0:0:0: [sda] ASC=0x47 ASCQ=0x3  
[52071.837881] sd 0:0:0:0: [sda] CDB: opcode=0x28 28 00 72 00 39 08 00 00 08 00
[52071.837896] blk_update_request: I/O error, dev sda, sector 1912617224

[root@xu4-nixi:~]#