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《Z-turn Board Linux 开发手册》第10页命令 $ sudo mount -o rw,offset=16450560 xillinux-1.3.img part1/出错，提示信息如下：
# sudo mount -o rw,offset=16450560 xillinux-1.3.img part1/
mount: you must specify the filesystem type
指定ext4文件系统，还是不行，提示如下：
root@ubuntu:/workdir/Filesystem/sdimage# sudo mount -t ext4 -o rw,offset=16450560 xillinux-1.3.img part1/
mount: wrong fs type, bad option, bad superblock on /dev/loop0,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
dmesg | tail，提示如下：
root@ubuntu:/workdir/Filesystem/sdimage# dmesg | tail
[ 2996.502879] FAT-fs (loop0): invalid media value (0xab)
[ 2996.502880] FAT-fs (loop0): Can't find a valid FAT filesystem
[ 2996.502921] EXT2-fs (loop0): error: can't find an ext2 filesystem on dev loop0.
[ 3041.936065] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[ 3055.067485] EXT3-fs (loop0): error: can't find ext3 filesystem on dev loop0.
[ 3055.067510] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[ 3055.067589] FAT-fs (loop0): invalid media value (0xab)
[ 3055.067590] FAT-fs (loop0): Can't find a valid FAT filesystem
[ 3055.067634] EXT2-fs (loop0): error: can't find an ext2 filesystem on dev loop0.
[ 3063.242121] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
感觉重点在FAT-fs (loop0): invalid media value (0xab)，但是对linux不熟悉，该如何解决？
谢谢各位大侠！
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