Incorrect Super block

[¿ ?]

Hi:

Im a newbie using FreeBSD, i have installed it and now im am running a small 
samba server to lear to use it. i have two hard disk, one with freebsd and 
some free space an one with debian linux in an ext2 partition. I tried to 
mount the linux partition but i cant, the error mensage is "incorrect super 
block", im usig the command "mount /dev/ad1s3 /mnt". Im using freebsd 5.2.1. 
How can i solve this?

I want to add the free space in the disk where freebsd is installed but the 
fdisk show an error, i read the manual but i dont know what to do.

sorry im not an native english speaker, excuse me.
Hablo español si hay alguien que me ayude gracias.

Dak.

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