我在以ubi模式引导EVMK2H时遇到如下问题（mcsdk_linux_3_00_04_18）：
TCI6638 EVM # boot
Creating 1 MTD partitions on "nand0":
0x000000180000-0x000020000000 : "mtd=2"
UBI: attaching mtd1 to ubi0
UBI: physical eraseblock size: 131072 bytes (128 KiB)
UBI: logical eraseblock size: 126976 bytes
UBI: smallest flash I/O unit: 2048
UBI: VID header offset: 2048 (aligned 2048)
UBI: data offset: 4096
UBI: volume 2 ("rootfs") re-sized from 1707 to 3671 LEBs
UBI: attached mtd1 to ubi0
UBI: MTD device name: "mtd=2"
UBI: MTD device size: 510 MiB
UBI: number of good PEBs: 4048
UBI: number of bad PEBs: 36
UBI: max. allowed volumes: 128
UBI: wear-leveling threshold: 4096
UBI: number of internal volumes: 1
UBI: number of user volumes: 5
UBI: available PEBs: 0
UBI: total number of reserved PEBs: 4048
UBI: number of PEBs reserved for bad PEB handling: 40
UBI: max/mean erase counter: 1/0
UBIFS error (pid 0): ubifs_mount: Error reading superblock on volume 'ubi:boot' errno=-12!
ubifsmount - mount UBIFS volume
Usage:
ubifsmount <volume-name>
- mount 'volume-name' volume
