same thing as before when I tried to install ubuntu 11.10


Command (m for help): The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.
+ mkfs.ext3 /dev/sdb1
mke2fs 1.41.14 (22-Dec-2010)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
524288 inodes, 2097152 blocks
104857 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=2147483648
64 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632

Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 33 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
+ [[ n\np\n2\n\n+1000M\n != '' ]]
+ mkswap /dev/sdb2
Setting up swapspace version 1, size = 1023996 KiB
no label, UUID=1c52c52c-18a4-40c3-a7a6-5a5ee18e995e
+ mkfs.vfat /dev/sdb3
mkfs.vfat 3.0.9 (31 Jan 2010)
+ [[ testing == \t\e\s\t\i\n\g ]]
+ zcat oneiric-preinstalled-desktop-armel+omap.img.gz
+ dd of=/dev/sdb1
4278272+0 records in
4278272+0 records out
2190475264 bytes (2.2 GB) copied, 708.607 s, 3.1 MB/s
+ e2fsck -pf /dev/sdb1
e2fsck: Bad magic number in super-block while trying to open /dev/sdb1
/dev/sdb1:
The superblock could not be read or does not describe a correct ext2
filesystem. If the device is valid and it really contains an ext2
filesystem (and not swap or ufs or something else), then the superblock
is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8193 <device>

+ resize2fs /dev/sdb1
resize2fs 1.41.14 (22-Dec-2010)
resize2fs: Bad magic number in super-block while trying to open /dev/sdb1
Couldn't find valid filesystem superblock.
+ e2fsck -pf /dev/sdb1
e2fsck: Bad magic number in super-block while trying to open /dev/sdb1
/dev/sdb1:
The superblock could not be read or does not describe a correct ext2
filesystem. If the device is valid and it really contains an ext2
filesystem (and not swap or ufs or something else), then the superblock
is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8193 <device>

+ tune2fs -O '^huge_file' /dev/sdb1
tune2fs 1.41.14 (22-Dec-2010)
tune2fs: Bad magic number in super-block while trying to open /dev/sdb1
Couldn't find valid filesystem superblock.
+ e2fsck -pf /dev/sdb1
e2fsck: Bad magic number in super-block while trying to open /dev/sdb1
/dev/sdb1:
The superblock could not be read or does not describe a correct ext2
filesystem. If the device is valid and it really contains an ext2
filesystem (and not swap or ufs or something else), then the superblock
is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8193 <device>

+ mount /dev/sdb1 /mnt
mount: you must specify the filesystem type
+ exit 1
miki@miki-HP-Compaq-6735s:~/Documents$