GodBox:/# dmesg | grep -i read
[    0.084005] using mwait in idle threads.
[    4.003090] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    4.003160] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    4.815110] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    4.815172] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    5.701435] sd 2:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    5.701435] sd 2:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    5.794199] sd 3:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    5.794199] sd 3:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    6.839430] sd 4:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    6.839495] sd 4:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    6.846584] sd 5:0:0:0: [sdf] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    6.846584] sd 5:0:0:0: [sdf] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[449988.150747] EXT3-fs: INFO: recovery required on readonly filesystem.
[449990.308823] EXT3-fs: dm-0: orphan cleanup on readonly fs
[449992.666955] Error: Driver 'pcspkr' is already registered, aborting...
[449992.774729] Error: Driver 'pcspkr' is already registered, aborting...
[2887916.669294] hda: drive not ready for command
[4756061.332208] hdb: task_out_intr: status=0x58 { DriveReady SeekComplete DataRequest }
[7108856.062558] hdb: task_out_intr: status=0x58 { DriveReady SeekComplete DataRequest }
[8014785.799193] hdb: task_out_intr: status=0x58 { DriveReady SeekComplete DataRequest }
[14192779.063051] hdb: task_out_intr: status=0x58 { DriveReady SeekComplete DataRequest }
[14200875.614409] hdb: task_out_intr: status=0x58 { DriveReady SeekComplete DataRequest }
[15513613.594874] EXT3-fs error (device dm-0): ext3_free_blocks_sb: bit already cleared for block 11606846
[15513613.596393] Remounting filesystem read-only
[15513613.599406] Remounting filesystem read-only