烧写成功，启动卡在下面的log，更换过几片 FLASH，情况一样

[    1.822782] Creating 4 MTD partitions on "sunxi_mtd_nand":
[    1.828907] 0x000000000000-0x000000200000 : "boot0"
[    1.840397] 0x000000200000-0x000000800000 : "uboot"
[    1.847443] random: fast init done
[    1.870359] 0x000000800000-0x000000a00000 : "secure_storage"
[    1.890368] 0x000000a00000-0x000020000000 : "sys"

前面分区可以起来，后面就报错

[    1.973670] sunxi-spinand-phy: phy blk 383 is bad
[    2.053185] sunxi-spinand-phy: phy blk 716 is bad
[    2.113972] random: crng init done
[    2.135481] sunxi-spinand-phy: phy blk 1049 is bad
[    2.214235] sunxi-spinand-phy: phy blk 1382 is bad
[    2.292731] sunxi-spinand-phy: phy blk 1715 is bad

[    5.569822] UBIFS error (ubi0:5 pid 1): ubifs_read_superblock: min. I/O unit mismatch: 4096 in superblock, 8192 real
[    5.581570] UBIFS error (ubi0:5 pid 1): ubifs_read_superblock: bad superblock, error 1
[    5.590403]  magic          0x6101831
[    5.594478]  crc            0x94af3de2
[    5.598651]  node_type      6 (superblock node)
[    5.603708]  group_type     0 (no node group)
[    5.608558]  sqnum          25176
[    5.612256]  len            4096
[    5.615848]  key_hash       0 (R5)
[    5.619641]  key_fmt        0 (simple)
[    5.623813]  flags          0x4
[    5.627306]  big_lpt        0
[    5.630614]  space_fixup    1
[    5.633914]  min_io_size    4096
[    5.637504]  leb_size       258048
[    5.641296]  leb_cnt        131
[    5.644782]  max_leb_cnt    145
[    5.648275]  max_bud_bytes  4386816
[    5.652163]  log_lebs       4
[    5.655463]  lpt_lebs       2
[    5.658763]  orph_lebs      1
[    5.662070]  jhead_cnt      1
[    5.665370]  fanout         8
[    5.668669]  lsave_cnt      256
[    5.672170]  default_compr  2
[    5.675470]  rp_size        0
[    5.678769]  rp_uid         0
[    5.682076]  rp_gid         0
[    5.685376]  fmt_version    4
[    5.688669]  time_gran      1000000000
[    5.692859]  UUID           D6FF5D7F-AAD8-4E9F-AF1E-A6A3103F6316
[    5.700174] VFS: Cannot open root device "ubi0_5" or unknown-block(0,0): error -19
[    5.708614] Please append a correct "root=" boot option; here are the available partitions:
[    5.718007] 1f00            2048 mtdblock0 
[    5.718010]  (driver?)
[    5.725332] 1f01            6144 mtdblock1 
[    5.725335]  (driver?)
[    5.732645] 1f02            2048 mtdblock2 
[    5.732647]  (driver?)
[    5.739943] 1f03          514048 mtdblock3 
[    5.739945]  (driver?)
[    5.747226] 1f04             252 mtdblock4 
[    5.747228]  (driver?)
[    5.754512] 1f05           17136 mtdblock5 
[    5.754514]  (driver?)
[    5.761811] 1f06            1008 mtdblock6 
[    5.761813]  (driver?)
[    5.769093] 1f07            1008 mtdblock7 
[    5.769095]  (driver?)
[    5.776392] 1f08           12600 mtdblock8 
[    5.776394]  (driver?)
[    5.783683] 1f09           53928 mtdblock9 
[    5.783686]  (driver?)
[    5.790977] 1f0a            1008 mtdblock10 
[    5.790979]  (driver?)
[    5.798355] 1f0b          396648 mtdblock11 
[    5.798357]  (driver?)
[    5.805753] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[    5.814968] CPU1: stopping
[    5.817984] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.61 #22
[    5.824673] Hardware name: Generic DT based system
[    5.830033] [<c010e384>] (unwind_backtrace) from [<c010a930>] (show_stack+0x10/0x14)
[    5.838671] [<c010a930>] (show_stack) from [<c0707424>] (dump_stack+0x88/0xa4)
[    5.846725] [<c0707424>] (dump_stack) from [<c010c720>] (handle_IPI+0xd4/0x180)
[    5.854876] [<c010c720>] (handle_IPI) from [<c031429c>] (gic_handle_irq+0x70/0x78)
[    5.863318] [<c031429c>] (gic_handle_irq) from [<c01021cc>] (__irq_svc+0x6c/0xa8)
[    5.871655] Exception stack(0xc7061f80 to 0xc7061fc8)
[    5.877286] 1f80: 000318b4 c76c84f4 00000000 c0114ce0 00000002 c7060000 c0c03de8 c0c03e24
[    5.886404] 1fa0: 4000406a 410fc075 00000000 00000000 c0d63830 c7061fd0 c0108058 c010805c
[    5.895517] 1fc0: 60000013 ffffffff
[    5.899409] [<c01021cc>] (__irq_svc) from [<c010805c>] (arch_cpu_idle+0x2c/0x38)
[    5.907657] [<c010805c>] (arch_cpu_idle) from [<c013df14>] (do_idle+0xbc/0x128)
[    5.915805] [<c013df14>] (do_idle) from [<c013e218>] (cpu_startup_entry+0x18/0x20)
[    5.924244] [<c013e218>] (cpu_startup_entry) from [<40102bcc>] (0x40102bcc)
[    5.932022] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]---