xiefifle

xiefifle

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xiefifle  发布于  2016-05-24 17:25:25
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3516a,fdisk /dev/mmcblk0,出现'/dev/mmcblk0' is opened for read only,

 
# fdisk /dev/mmcblk0
'/dev/mmcblk0' is opened for read only
mmcblk0: error -110 sending stop command, original cmd response 0x900, card status 0x480900
mmcblk0: error -110 transferring data, sector 0, nr 32, cmd response 0x900, card status 0x900
mmcblk0: retrying using single block read
mmcblk0: error -110 transferring data, sector 0, nr 32, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 0
mmcblk0: error -110 transferring data, sector 1, nr 31, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 1
mmcblk0: error -110 transferring data, sector 2, nr 30, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 2
mmcblk0: error -110 transferring data, sector 3, nr 29, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 3

有谁知道怎么解决
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xiefifle

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xiefifle 2016-05-25 10:01:12
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是写保护了,硬件部重新处理了

xiefifle

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xiefifle 2016-05-25 10:04:11
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SDIO_CWPR,硬件部在旁边接了一个上拉电阻,拉高了

xiefifle

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xiefifle 2016-05-25 10:06:09
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本帖最后由 xiefifle 于 2016-5-25 10:11 编辑

但是现在,还是出现
# fdisk /dev/mmcblk0

mmcblk0: error -110 transferring data, sector 6, nr 2, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 6
mmcblk0: error -110 transferring data, sector 7, nr 1, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 7
Buffer I/O error on device mmcblk0, logical block 0
mmcblk0: error -110 sending stop command, original cmd response 0x900, card status 0x480900
mmcblk0: error -110 transferring data, sector 0, nr 8, cmd response 0x900, card status 0x900
mmcblk0: retrying using single block read
mmcblk0: error -110 transferring data, sector 0, nr 8, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 0
mmcblk0: error -110 transferring data, sector 1, nr 7, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 1
mmcblk0: error -110 transferring data, sector 2, nr 6, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 2
mmcblk0: error -110 transferring data, sector 3, nr 5, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 3
mmcblk0: error -110 transferring data, sector 4, nr 4, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 4
mmcblk0: error -110 transferring data, sector 5, nr 3, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 5
mmcblk0: error -110 transferring data, sector 6, nr 2, cmd response 0x900, card status 0x0
end_request: I/O error, dev mmcblk0, sector 6

dondeng

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dondeng 2016-05-24 17:38:05
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写保护了?:victory::victory:
或将文件直接拖到这里
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