On Wed, 2009-07-01 at 18:58 +0800, tommy wrote: > ps: > > if my board nfs boot ,not ubifs boot,following is ok! > nfs at root:ubiattach /dev/ubi_ctrl -m 2 > nfs at root:mount -t ubifs ubi0_0 /mnt / > it it ok! Try adding: ubi.mtd=0 root=ubi0_0 rootfstype=ubifs to the kernel boot line. -- Best regards, Artem Bityutskiy (Битюцкий Артём)