Thank you slh.
I believe hnyman has addressed these errors earlier, but wondering if your getting these errors too.
[10386.583652] print_req_error: 2 callbacks suppressed
[10386.583658] print_req_error: I/O error, dev mtdblock0, sector 0
[10386.587825] print_req_error: I/O error, dev mtdblock0, sector 8
[10386.593807] print_req_error: I/O error, dev mtdblock0, sector 16
[10386.599746] print_req_error: I/O error, dev mtdblock0, sector 24
[10386.606316] print_req_error: I/O error, dev mtdblock0, sector 0
[10386.611384] Buffer I/O error on dev mtdblock0, logical block 0, async page read
[10386.620145] print_req_error: I/O error, dev mtdblock0, sector 0
[10386.624318] Buffer I/O error on dev mtdblock0, logical block 0, async page read
[10386.630809] print_req_error: I/O error, dev mtdblock1, sector 0
[10386.637996] print_req_error: I/O error, dev mtdblock1, sector 8
[10386.643894] print_req_error: I/O error, dev mtdblock1, sector 16
[10386.649715] print_req_error: I/O error, dev mtdblock1, sector 24
[10386.656107] Buffer I/O error on dev mtdblock1, logical block 0, async page read
[10386.663965] Buffer I/O error on dev mtdblock1, logical block 0, async page read