严重问题！无法解决！

彬仔

每次安装lubuntu使用一段时间就出现以下问题。下面是我用串口读出的所有信息。请大侠们帮小弟解决下，谢谢。
HELLO! BOOT0 is starting!
boot0 version : 2.0.0˜
read dram para.
dram driver version: 1.15
dram size =1024MB
0xffffffff
super_standby_flag = 0
Succeed in opening nand flash.
block from 2 to 6
deal block 2
Succeed in reading Boot1 file head.
The size of Boot1 is 0x00068000.
The file stored in 0x00000000 of block 2 is perfect.
Check is correct.
Ready to disable icache.
Succeed in loading Boot1.
Jump to Boot1.
[       0.141] boot1 version : 2.0.0
[       0.148] script installed early ok
[       0.148] pmu type = 3
[       0.150] bat vol = 0 mv
[       0.166] axi:ahb:apb=4:2:2
[       0.166] set dcdc2=1425mv, clock=912M successed
[       0.168] key
[       0.181] no key found
[       0.181] flash init start
[       0.181] NB1 : enter NFB_Init
[       0.184] NB1 : enter phy init
[       0.187] [NAND] nand driver(b) version: 0x0x00000002, 0x0x00000012, data: 0x20130325
[       0.197] get the good blk ratio from hwscan : 944
[       0.200] NB1 : nand phy init ok
[       0.317] PHY_PageReadSpare : too much ecc err,bank 0x00000000 block 0x00000022,page 0x000000ff
[       0.328] PHY_PageReadSpare : too much ecc err,bank 0x00000000 block 0x00000022,page 0x00000000
《由于字数限制此处省略，详细请大家下载附件》
[       2.952] Log Block Index 0x0000000e, LogicBlockNum: 0x00000018, LogBlockType: 0x00000000
[       2.958] log0: 0x000003f5, Log1: 0x0000ffff, WriteIndex: 0x00000000
[       2.964] datablock: 0x00000322, lastusedpage: 0x000000b0
[       2.970] _RepairLogBlkTbl end
[       2.973] [FORMAT_ERR] There is not enough valid block for using!
[       2.980] [FORMAT_ERR] There is not enough free blocks for distribute!
[       2.986] [FORMAT_ERR] Format nand disk failed!
[       2.991] NB1 : format fail
[       2.994] flash init failed

@allen

掉码了，重刷系统。你的板子是什么使用场景？