[beagleboard] problem when installing ubuntu on beagleboard

hi i am trying installing ubuntu on beagle board sdter copybi rootfs and runnung in terminal i get this
after at autobooting.

FFS2 notice: (1) jffs2_build_xattr_subsystem: complete building xattr subsystem
, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
VFS: Mounted root (jffs2 filesystem).
Freeing init memory: 168K
Warning: unable to open an initial console.
Kernel panic - not syncing: No init found. Try passing init= option to kernel

hi i am trying installing ubuntu on beagle board sdter copybi rootfs and runnung in terminal i get this
after at autobooting.

FFS2 notice: (1) jffs2_build_xattr_subsystem: complete building xattr subsystem
, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
VFS: Mounted root (jffs2 filesystem).
Freeing init memory: 168K
Warning: unable to open an initial console.
Kernel panic - not syncing: No init found. Try passing init= option to kernel
Pls help me out

What bootargs are you using? and what are your trying to boot from?
mmc or nand..

Regards,