自制系统出现/根分区占用100% 问题
我现在遇到一个问题，就是直接构建系统，基于nand的，参考http://www.cubieforums.com/index.php/topic,2540.0.html，这里的做法，
$source tools/scripts/envsetup.sh
select ct-ubuntu
$cb_build_nand_image
我就改了下根文件系统的内容（提取cubian的文件系统内容替换），打包固件后，烧写系统，分区出现100%占用，这是什么原因造成的呀？
root@Superbox:/home/Superbox# df
Filesystem 1K-blocks Used Available Use% Mounted on
rootfs 760944 752132 0 100% /
/dev/root 760944 752132 0 100% /
devtmpfs 388820 0 388820 0% /dev
tmpfs 97448 124 97324 1% /run
tmpfs 5120 0 5120 0% /run/lock
tmpfs 194880 0 194880 0% /run/shm
tmpfs 194880 0 194880 0% /tmp
root@Superbox:/home/Superbox# fdisk -l
Disk /dev/nand: 3984 MB, 3984588800 bytes
255 heads, 63 sectors/track, 484 cylinders, total 7782400 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/nand doesn't contain a valid partition table
Disk /dev/nanda: 67 MB, 67108864 bytes
255 heads, 63 sectors/track, 8 cylinders, total 131072 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks IdSystem
Disk /dev/nandb: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 cylinders, total 6291456 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/nandb doesn't contain a valid partition table
Disk /dev/nandc: 679 MB, 679477248 bytes
255 heads, 63 sectors/track, 82 cylinders, total 1327104 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xffffffff
Disk /dev/nandc doesn't contain a valid partition table
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