/ # hdparm -tT /dev/mmcblk0
/dev/mmcblk0:
mmcblk0: error -84 transferring data, sector 0, nr 512, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
Timing buffer-cache reads: 328 MB in 0.51 seconds = 654735 kB/s
Timing buffered disk reads:mmcblk0: error -84 transferring data, sector 16384, nr 512, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 16457, nr 439, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16457
mmcblk0: error -84 transferring data, sector 16458, nr 438, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16458
Buffer I/O error on device mmcblk0, logical block 2057
mmcblk0: error -84 transferring data, sector 16477, nr 419, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16477
Buffer I/O error on device mmcblk0, logical block 2059
mmcblk0: error -84 transferring data, sector 16480, nr 416, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16480
mmc0: Got data interrupt 0x00000002 even though no data operation was in progress.
mmcblk0: error -84 transferring data, sector 16485, nr 411, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16485
mmcblk0: error -84 transferring data, sector 16486, nr 410, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16486
Buffer I/O error on device mmcblk0, logical block 2060
mmcblk0: error -84 transferring data, sector 16502, nr 394, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16502
Buffer I/O error on device mmcblk0, logical block 2062
mmcblk0: error -84 transferring data, sector 16505, nr 391, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16505
Buffer I/O error on device mmcblk0, logical block 2063
mmcblk0: error -84 transferring data, sector 16695, nr 201, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16695
Buffer I/O error on device mmcblk0, logical block 2086
mmcblk0: error -84 transferring data, sector 16715, nr 181, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16715
Buffer I/O error on device mmcblk0, logical block 2089
mmcblk0: error -84 transferring data, sector 16748, nr 148, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16748
Buffer I/O error on device mmcblk0, logical block 2093
mmc0: Got data interrupt 0x00000002 even though no data operation was in progress.
mmcblk0: error -84 transferring data, sector 16758, nr 138, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16758
Buffer I/O error on device mmcblk0, logical block 2094
mmcblk0: error -84 transferring data, sector 16789, nr 107, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16789
Buffer I/O error on device mmcblk0, logical block 2098
mmcblk0: error -84 transferring data, sector 16824, nr 72, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16824
mmcblk0: error -84 transferring data, sector 16827, nr 69, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16827
mmcblk0: error -84 transferring data, sector 16862, nr 34, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16862
mmcblk0: error -84 transferring data, sector 16883, nr 13, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16883
mmcblk0: error -84 transferring data, sector 16472, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 16496, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 16896, nr 256, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 16913, nr 239, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16913
mmcblk0: error -84 transferring data, sector 16961, nr 191, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16961
mmcblk0: error -84 transferring data, sector 16970, nr 182, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16970
mmcblk0: error -84 transferring data, sector 16987, nr 165, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16987
mmcblk0: error -84 transferring data, sector 17013, nr 139, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 17013
mmcblk0: error -84 transferring data, sector 17052, nr 100, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 17052
mmcblk0: error -84 transferring data, sector 17065, nr 87, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 17065
mmcblk0: error -84 transferring data, sector 17073, nr 79, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 17073
mmcblk0: error -84 transferring data, sector 17088, nr 64, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 17088
mmcblk0: error -84 transferring data, sector 16712, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 16784, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmc0: Got data interrupt 0x00000002 even though no data operation was in progress.
mmcblk0: error -84 transferring data, sector 16787, nr 5, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16787
mmcblk0: error -84 transferring data, sector 16791, nr 1, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16791
mmcblk0: error -84 transferring data, sector 16784, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17152, nr 64, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmc0: Got data interrupt 0x00000002 even though no data operation was in progress.
mmcblk0: error -84 transferring data, sector 17174, nr 42, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 17174
mmcblk0: error -84 transferring data, sector 17187, nr 29, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 17187
mmcblk0: error -84 transferring data, sector 16960, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 16968, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 16968, nr 8, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 16968
mmcblk0: error -84 transferring data, sector 16984, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17064, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17072, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17168, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17216, nr 16, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17232, nr 32, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17264, nr 32, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17296, nr 32, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17328, nr 32, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17360, nr 32, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17392, nr 32, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17419, nr 5, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 17419
mmcblk0: error -84 transferring data, sector 17416, nr 24, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmc0: Got data interrupt 0x00000002 even though no data operation was in progress.
mmcblk0: error -84 transferring data, sector 17421, nr 19, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 17421
mmcblk0: error -84 transferring data, sector 17440, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17456, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17461, nr 3, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 17461
mmcblk0: error -84 transferring data, sector 17456, nr 8, cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 17460, nr 4, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 17460
hdparm: short read