Hi，
请问：am335x系统上，TF卡第一次分区格式化后没有问题（分区依次为：fat32/ext3/ext4/ext4），如果再次执行分区并格式化时，不停打印如下信息：
......
[ 1329.536041] end_request: I/O error, dev mmcblk0, sector 1777681
[ 1329.542266] quiet_error: 6 callbacks suppressed
[ 1329.547058] Buffer I/O error on device mmcblk0p5, logical block 17408
[ 1329.553833] lost page write due to I/O error on mmcblk0p5
[ 1331.961822] mmcblk0: timed out sending r/w cmd command, card status 0x400e00
[ 1334.372711] mmcblk0: timed out sending r/w cmd command, card status 0x400e00
[ 1336.781738] mmcblk0: timed out sending r/w cmd command, card status 0x400e00
[ 1339.191802] mmcblk0: timed out sending r/w cmd command, card status 0x400e00
[ 1341.600494] mmcblk0: timed out sending r/w cmd command, card status 0x400e00
[ 1344.011901] mmcblk0: timed out sending r/w cmd command, card status 0x400e00
[ 1344.019409] end_request: I/O error, dev mmcblk0, sector 1785873
......
如果将该卡拔下，发现无论在linux还是windows下，再也无法操作该卡，能读出分区，但不能做任何写操作，windows下的usbboot、diskgenius等工具总是提示写保护。
目标板为am3354，linux版本3.12，bsp6.0
谢谢！