2
ext2fs_open2: Bad magic number in super-block
3
../e2fsck/e2fsck: Superblock invalid, trying backup blocks...
4
../e2fsck/e2fsck: Bad magic number in super-block while trying to open test.img
6
The superblock could not be read or does not describe a valid ext2/ext3/ext4
7
filesystem. If the device is valid and it really contains an ext2/ext3/ext4
8
filesystem (and not swap or ufs or something else), then the superblock
9
is corrupt, and you might try running e2fsck with an alternate superblock:
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e2fsck -b 8193 <device>
12
e2fsck -b 32768 <device>
14
test.img contains `PNG image data, 148 x 31, 8-bit/color RGBA, non-interlaced' data
17
../misc/tune2fs: Bad magic number in super-block while trying to open test.img
18
test.img contains `PNG image data, 148 x 31, 8-bit/color RGBA, non-interlaced' data
20
Creating filesystem with 16384 1k blocks and 4096 inodes
21
Superblock backups stored on blocks: