Судя по
3.828548] sunxi-mmc 1c0f000.mmc: data error, sending stop command
[ 3.834899] sunxi-mmc 1c0f000.mmc: send stop command failed
[ 3.840638] sunxi-mmc 1c0f000.mmc: data error, sending stop command
[ 3.846907] sunxi-mmc 1c0f000.mmc: send stop command failed
[ 3.852633] sunxi-mmc 1c0f000.mmc: data error, sending stop command
[ 3.858908] sunxi-mmc 1c0f000.mmc: send stop command failed
[ 3.864614] sunxi-mmc 1c0f000.mmc: data error, sending stop command
[ 3.870913] sunxi-mmc 1c0f000.mmc: send stop command failed
[ 3.876574] sunxi-mmc 1c0f000.mmc: data error, sending stop command
[ 3.882859] sunxi-mmc 1c0f000.mmc: send stop command failed
[ 5.289743] mmc1: card never left busy state
[ 5.294044] mmc1: tried to HW reset card, got error -110
[ 5.305860] blk_update_request: I/O error, dev mmcblk1, sector 2048 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
[ 5.305891] mmc1: card 0001 removed
[ 5.316563] Buffer I/O error on dev mmcblk1p1, logical block 0, lost sync page write
карта перестает читаться. Возможно - не успевает смонтироваться.
Но - то что загружается уже отлично.
Вот так думаю поможет.