Radek wrote:

> Hello,
> I am totally new to Usenet :-) so don't be angry for me :-)
> I have a problem with my gentoo, I mean, J have a problem with
> kernel 2.6.7-r6 (gentoo dev sources). I' ve configured it as usual,
> compiled, copied to /boot (I' ve made two options in GRUB to boot new and
> old kernel) and I receive a error message during initialization :
> "can't mount root device, check "root" option in your GRUB"
> (it's not exactly like that but I don't remember)
> What's wrong ?

It's possible that you forgot to include your filesystem drivers into
kernel.
Check if you are using filesystem support (ext2, ext3, reiserfs)
statically. Do not use modules for filesystem.