Feb  5 09:37:43 sd-100630 kernel: [494379.697510] EXT4-fs warning (device sda2): ext4_end_bio:314: I/O error -5 writing to inode 35785472 (offset 58720256 size 4194304 starting block 185637632)
Feb  5 09:37:43 sd-100630 kernel: [494379.697514] Buffer I/O error on device sda2, logical block 185586176
Feb  5 09:37:43 sd-100630 kernel: [494379.774946] Buffer I/O error on device sda2, logical block 185586177
Feb  5 09:37:44 sd-100630 kernel: [494379.852415] Buffer I/O error on device sda2, logical block 185586178
Feb  5 09:37:44 sd-100630 kernel: [494379.929835] Buffer I/O error on device sda2, logical block 185586179
Feb  5 09:37:44 sd-100630 kernel: [494380.007260] Buffer I/O error on device sda2, logical block 185586180
Feb  5 09:37:44 sd-100630 kernel: [494380.084667] Buffer I/O error on device sda2, logical block 185586181
Feb  5 09:37:44 sd-100630 kernel: [494380.162079] Buffer I/O error on device sda2, logical block 185586182
Feb  5 09:37:44 sd-100630 kernel: [494380.239483] Buffer I/O error on device sda2, logical block 185586183
Feb  5 09:37:44 sd-100630 kernel: [494380.316898] Buffer I/O error on device sda2, logical block 185586184
Feb  5 09:37:44 sd-100630 kernel: [494380.394300] Buffer I/O error on device sda2, logical block 185586185
Feb  5 09:37:44 sd-100630 kernel: [494380.550397] EXT4-fs warning (device sda2): ext4_end_bio:314: I/O error -5 writing to inode 35785472 (offset 58720256 size 4194304 starting block 185637376)
Feb  5 09:37:44 sd-100630 kernel: [494380.629098] EXT4-fs warning (device sda2): ext4_end_bio:314: I/O error -5 writing to inode 35785472 (offset 58720256 size 4194304 starting block 185637888)
Feb  5 09:37:44 sd-100630 kernel: [494380.707810] EXT4-fs warning (device sda2): ext4_end_bio:314: I/O error -5 writing to inode 35785472 (offset 62914560 size 4194304 starting block 185638144)
Feb  5 09:37:44 sd-100630 kernel: [494380.786518] EXT4-fs warning (device sda2): ext4_end_bio:314: I/O error -5 writing to inode 35785472 (offset 62914560 size 4194304 starting block 185638400)
Feb  5 09:37:45 sd-100630 kernel: [494380.865230] EXT4-fs warning (device sda2): ext4_end_bio:314: I/O error -5 writing to inode 35785472 (offset 62914560 size 4194304 starting block 185638656)
Feb  5 09:37:45 sd-100630 kernel: [494380.943932] EXT4-fs warning (device sda2): ext4_end_bio:314: I/O error -5 writing to inode 35785472 (offset 62914560 size 4194304 starting block 185638912)
Feb  5 09:37:45 sd-100630 kernel: [494381.022640] EXT4-fs warning (device sda2): ext4_end_bio:314: I/O error -5 writing to inode 35785472 (offset 67108864 size 4194304 starting block 185639168)
Feb  5 09:37:45 sd-100630 kernel: [494381.101334] EXT4-fs warning (device sda2): ext4_end_bio:314: I/O error -5 writing to inode 35785472 (offset 67108864 size 4194304 starting block 185639424)
Feb  5 09:37:45 sd-100630 kernel: [494381.180030] EXT4-fs warning (device sda2): ext4_end_bio:314: I/O error -5 writing to inode 35785472 (offset 67108864 size 4194304 starting block 185639680)
Feb  5 09:37:45 sd-100630 kernel: [494381.184168] Buffer I/O error on dev sda2, logical block 69, lost async page write
Feb  5 09:38:10 sd-100630 kernel: [494406.280640] CPU: 0 PID: 184 Comm: jbd2/sda2-8 Not tainted 4.10.0-42-generic #46-Ubuntu
Feb  5 18:12:26 sd-100630 kernel: [525261.456028] EXT4-fs warning (device sda2): ext4_end_bio:314: I/O error -5 writing to inode 35785490 (offset 75497472 size 4194304 starting block 185736192)
Feb  5 18:12:26 sd-100630 kernel: [525261.456033] Buffer I/O error on device sda2, logical block 185684736
Feb  5 18:12:26 sd-100630 kernel: [525261.533452] Buffer I/O error on device sda2, logical block 185684737
Feb  5 18:12:26 sd-100630 kernel: [525261.610855] Buffer I/O error on device sda2, logical block 185684738
Feb  5 18:12:27 sd-100630 kernel: [525261.688253] Buffer I/O error on device sda2, logical block 185684739
Feb  5 18:12:27 sd-100630 kernel: [525261.765656] Buffer I/O error on device sda2, logical block 185684740
Feb  5 18:12:27 sd-100630 kernel: [525261.843055] Buffer I/O error on device sda2, logical block 185684741
Feb  5 18:12:27 sd-100630 kernel: [525261.920462] Buffer I/O error on device sda2, logical block 185684742
Feb  5 18:12:27 sd-100630 kernel: [525261.997866] Buffer I/O error on device sda2, logical block 185684743
Feb  5 18:12:27 sd-100630 kernel: [525262.075274] Buffer I/O error on device sda2, logical block 185684744