booting 2.6.3 on raid0

hi all, i've got suse90 on raid0 (siimage3112) and i can't boot 2.6.3: VFS: Cannot open root device "802" or unknown-block (8,2) Please append a correct "root=" boot option Kernel panic: VFS: Unable to mount root fs on unknown-block (8,2) any idea? thanx philip