dietpi@DietPi:~$ dmesg | grep sd[a-z]
[    0.242022] sdhci: Secure Digital Host Controller Interface driver
[    0.242025] sdhci: Copyright(c) Pierre Ossman
[    0.242160] sdhci-pltfm: SDHCI platform and OF driver helper
[    0.256664] sdhci-iproc fe340000.emmc2: Linked as a consumer to regulator.3
[    0.256696] sdhci-iproc fe340000.emmc2: Linked as a consumer to regulator.4
[    1.696445] sd 0:0:0:0: [sda] 60567552 512-byte logical blocks: (31.0 GB/28.9 GiB)
[    1.696641] sd 0:0:0:0: [sda] Write Protect is off
[    1.696647] sd 0:0:0:0: [sda] Mode Sense: 45 00 00 00
[    1.700385] sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[    1.739039]  sda: sda1
[    1.740336] sd 0:0:0:0: [sda] Attached SCSI removable disk
[  289.063139] print_req_error: I/O error, dev sda, sector 2049
[  289.063150] Buffer I/O error on dev sda1, logical block 1, lost async page write
[  289.063177] print_req_error: I/O error, dev sda, sector 5258
[  289.063185] Buffer I/O error on dev sda1, logical block 3210, lost async page write
[  289.063248] print_req_error: I/O error, dev sda, sector 20037
[  289.063256] Buffer I/O error on dev sda1, logical block 17989, lost async page write
[  289.063277] print_req_error: I/O error, dev sda, sector 34816
[  289.063285] Buffer I/O error on dev sda1, logical block 32768, lost async page write
[  289.063425] print_req_error: I/O error, dev sda, sector 34976
[  289.063433] Buffer I/O error on dev sda1, logical block 32928, lost async page write
[  289.063443] Buffer I/O error on dev sda1, logical block 32929, lost async page write
[  289.063452] Buffer I/O error on dev sda1, logical block 32930, lost async page write
[  289.063461] Buffer I/O error on dev sda1, logical block 32931, lost async page write
[  289.063470] Buffer I/O error on dev sda1, logical block 32932, lost async page write
[  289.063478] Buffer I/O error on dev sda1, logical block 32933, lost async page write
[  292.621077] FAT-fs (sda1): Directory bread(block 32768) failed
[  292.621098] FAT-fs (sda1): Directory bread(block 32769) failed
[  292.621118] FAT-fs (sda1): Directory bread(block 32770) failed
[  292.621136] FAT-fs (sda1): Directory bread(block 32771) failed
[  292.621154] FAT-fs (sda1): Directory bread(block 32772) failed
[  292.621172] FAT-fs (sda1): Directory bread(block 32773) failed
[  292.621191] FAT-fs (sda1): Directory bread(block 32774) failed
[  292.621209] FAT-fs (sda1): Directory bread(block 32775) failed
[  292.621227] FAT-fs (sda1): Directory bread(block 32776) failed
[  292.621246] FAT-fs (sda1): Directory bread(block 32777) failed
[  292.622961] FAT-fs (sda1): FAT read failed (blocknr 3210)
[  303.098206] FAT-fs (sda1): Directory bread(block 32768) failed
[  303.098227] FAT-fs (sda1): Directory bread(block 32769) failed
[  303.098246] FAT-fs (sda1): Directory bread(block 32770) failed
[  303.098266] FAT-fs (sda1): Directory bread(block 32771) failed
[  303.098284] FAT-fs (sda1): Directory bread(block 32772) failed
[  303.098302] FAT-fs (sda1): Directory bread(block 32773) failed
[  303.098320] FAT-fs (sda1): Directory bread(block 32774) failed
[  303.098339] FAT-fs (sda1): Directory bread(block 32775) failed
[  303.098357] FAT-fs (sda1): Directory bread(block 32776) failed
[  303.098375] FAT-fs (sda1): Directory bread(block 32777) failed
[  303.101290] FAT-fs (sda1): FAT read failed (blocknr 3210)
[  442.775626] FAT-fs (sda1): Directory bread(block 32768) failed
[  442.775647] FAT-fs (sda1): Directory bread(block 32769) failed
[  442.775666] FAT-fs (sda1): Directory bread(block 32770) failed
[  442.775685] FAT-fs (sda1): Directory bread(block 32771) failed
[  442.775704] FAT-fs (sda1): Directory bread(block 32772) failed
[  442.775722] FAT-fs (sda1): Directory bread(block 32773) failed
[  442.775740] FAT-fs (sda1): Directory bread(block 32774) failed
[  442.775758] FAT-fs (sda1): Directory bread(block 32775) failed
[  442.775776] FAT-fs (sda1): Directory bread(block 32776) failed
[  442.775794] FAT-fs (sda1): Directory bread(block 32777) failed