It's because there is an entry not well configured in your /etc/fstab.
Try to correct that file.
if you have problems , type man fstab
Web Dreamer wrote :
> I just installed Mandrake 7.0. Ok, on boot, I get an error that says:
> mount: fs type supermount not supported by kernel [FAILED]
>
> It ends up booting for the most part ok as far as I can tell. What's up with
> this error message?
>
> WebDreamer
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